kopen ADS7844N | ADS7844N datasheet | Heisener.com
Contacteer ons
SalesDept@heisener.com +86-755-83210559-827

ADS7844N

hot ADS7844N

ADS7844N

Alleen ter referentie

Onderdeelnummer ADS7844N
Fabrikant Texas Instruments
Omschrijving IC 12-BIT 8-CHAN 200KHZ 20-SSOP
Gegevensblad
package 20-SSOP (0.209", 5.30mm Width)
ECAD
In voorraad 204.108 piece(s)
Eenheidsprijs $ 10,6067 *
Levertijd Kan onmiddellijk worden verzonden
Geschatte Leveringstijd nov 29 - dec 4 (Kies voor snelle verzending)
Vraag een offerte aan
Betaalmethoden
Bezorgdiensten
  • Wij bieden ADS7844N voor een concurrerende prijs op de wereldmarkt, stuur ons dan een verzoek quotum voor de prijsstelling. Dankjewel!
  • Om uw RFQ te verwerken, dan kunt u ADS7844N toe met de hoeveelheid in de BOM. Heisener.com bevat GEEN registratie vereist om een offerte van ADS7844N vragen.

ADS7844N-specificaties

FabrikantTexas Instruments
CategorieGeïntegreerde schakelingen (IC's) - Data-acquisitie - Analoog naar digitaal converters (ADC)
package20-SSOP (0.209", 5.30mm Width)
ECAD
Serie-
Aantal bits12
Sampling Rate (Per seconde)200k
Aantal ingangen4, 8
Input TypeDifferential, Single Ended
GegevensinterfaceSPI
ConfiguratieMUX-S/H-ADC
Ratio - S / H: ADC1:1
Aantal A / D-converters1
architectuurSAR
ReferentietypeExternal
Voltage - voeding, analoog2.7 V ~ 3.6 V, 5V
Voltage - Levering, digitaal2.7 V ~ 3.6 V, 5V
Kenmerken-
Bedrijfstemperatuur-40°C ~ 85°C
Pakket / koffer20-SSOP (0.209", 5.30mm Width)
Apparaatpakket leverancier20-SSOP
Montage type-

ADS7844N Packaging

Customized Labels
Sealing
Packing
Insepction

ADS7844N FAQ

  • 1. How to order ADS7844N on Heisener?
    Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
  • 2. How does Heisener guarantee that ADS7844N is from the original manufacturer or authorized agents?
    We have a professional and experienced quality control team to strictly verify and test the ADS7844N. All suppliers must pass our qualification reviews before they can publish their products including ADS7844N on Heisener; we pay more attention to the channels and quality of ADS7844N products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
  • 3. Are the ADS7844N price and inventory displayed accurate?
    The price and inventory of ADS7844N fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
  • 4. What forms of payment are accepted?
    Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.
    Warm Tips: Some orders in certain payment forms may require handling fee.
  • 5. How is the shipping arranged?
    Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.
    Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.
    Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
  • 6. What is the process for return or replacement of ADS7844N?
    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ADS7844N we delivered, we will accept the replacement or return of the ADS7844N only when all of the below conditions are fulfilled:
    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
    (2)We are informed of the defect described above within 90 days after the delivery of ADS7844N.
    (3)The PartNo is unused and only in the original unpacked packaging.
    Two processes to return the products:
    (1)Inform us within 90 days
    (2)Obtain Requesting Return Authorizations
  • 7.How to contact us to get technical supports, such as ADS7844N pin diagram, ADS7844N datasheet?
    If you need any after-sales service, please do not hesitate to contact us.

ADS7844N Gerelateerde Producten

445C33K25M00000 445C33K25M00000 CTS-Frequency Controls, CRYSTAL 25.0000MHZ 8PF SMD, 2-SMD, No Lead, - Visie
MC33071ADG MC33071ADG ON Semiconductor, IC OPAMP GP 4.5MHZ 8SOIC, 8-SOIC (0.154", 3.90mm Width), - Visie
hotOPA627SM OPA627SM Texas Instruments, IC OPAMP GP 16MHZ TO99-8, TO-99-8 Metal Can, - Visie
RNCF1210BTE3K16 RNCF1210BTE3K16 Stackpole Electronics Inc., RES SMD 3.16K OHM 0.1% 1/3W 1210, 1210 (3225 Metric), - Visie
VO4154M-X007T VO4154M-X007T Vishay Semiconductor Opto Division, OPTOISOLATOR 5.3KV TRIAC 6SMD, 6-SMD (0.300", 7.62mm), - Visie
LQH43PN6R8M26L LQH43PN6R8M26L Murata, FIXED IND 6.8UH 1.4A 98 MOHM SMD, 1812 (4532 Metric), - Visie
1830813 1830813 Phoenix Contact, TERM BLK 9POS GREEN, -, - Visie
D38999/25HH35DA D38999/25HH35DA TE Connectivity Deutsch Connectors, D38999/25HH35DA, -, - Visie
PT02E20-41SW PT02E20-41SW Amphenol Industrial Operations, PT 41C 41#20 SKT RECP, -, - Visie
8D111ZC02PN-LC 8D111ZC02PN-LC Souriau, CONN RCPT HSNG MALE 2POS INLINE, -, - Visie
UTG616-19SN UTG616-19SN Souriau, CONN PLG HSG FMALE 19POS INLINE, -, - Visie
V24A36C300BS V24A36C300BS Vicor Corporation, CONVERTER MOD DC/DC 36V 300W, Full Brick, - Visie

ADS7844N garanties

Service Guarantee

Service garanties

Wij garanderen 100% klanttevredenheid.

Ons ervaren verkoopteam en technische ondersteuningsteam ondersteunen onze diensten om al onze klanten tevreden te stellen.

Quality Guarantee

Kwaliteitsgaranties

Wij bieden 90 dagen garantie.

Als de items die u hebt ontvangen niet in perfecte kwaliteit waren, zijn wij verantwoordelijk voor uw terugbetaling of vervanging, maar de items moeten in hun oorspronkelijke staat worden geretourneerd.

Wereldwijde toeleveringsketens - Betrouwbare en geautoriseerde bronnen voor distributeurs

Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

D# V36:1790_07229133

Texas Instruments

8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin SSOP T/R

RoHS: Compliant
0

ADS7844N/1KG4

D# V72:2272_07229134

Texas Instruments

8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin SSOP T/R

RoHS: Compliant
0

ADS7844N

D# V99:2348_07229132

Texas Instruments

8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin SSOP Tube

RoHS: Compliant
0

ADS7844NB

D# V36:1790_07229135

Texas Instruments

8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin SSOP Tube

RoHS: Compliant
0

ADS7844NB/1K

D# V36:1790_07229136

Texas Instruments

8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin SSOP T/R

RoHS: Compliant
0
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NB

D# ADS7844NB

Texas Instruments

ADC Single SAR 200ksps 12-bit Serial 20-Pin SSOP Tube - Rail/Tube (Alt: ADS7844NB)

0
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N

Burr-Brown Corp

442
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NBG4

Texas Instruments

IC ADC 12BIT 8-CHANNEL 20-SSOP

0

ADS7844NB/1K

Texas Instruments

IC 12BIT 8-CHN 200KHZ A/D 20SSOP

0

ADS7844N

Texas Instruments

Single ADC SAR 200ksps 12-bit Serial 20-Pin SSOP Tube

5

ADS7844N/1K

Texas Instruments

12BIT ADC, 8 CH, SMD, 7844, SSOP20

125

ADS7844N/1KG4

Texas Instruments

12BIT ADC, 8 CH, SMD, 7844, SSOP20

125

ADS7844NB/1KG4

Texas Instruments

IC 12BIT 8-CHANNEL ADC 20-SSOP

0

ADS7844NB

Texas Instruments

ADC, 12BIT, 200KSPS, SSOP-20

32

ADS7844NG4

Texas Instruments

IC ADC 12BIT 8-CHANNEL 20-SSOP

0
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

Texas Instruments

12 200K 4,8 Differential, Single Ended SSOP-20_208mil Analog To Digital Converters (ADCs) RoHS

71

ADS7844N

Texas Instruments

12 200K 4,8 Differential, Single Ended SSOP-20 Analog To Digital Converters (ADCs) RoHS

96
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NG4

bb

ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20

RoHS: Compliant
0
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N

D# ADS7844N-ND

Texas Instruments

IC ADC 12BIT SAR 20SSOP

273

ADS7844N/1KG4

D# ADS7844N/1KG4-ND

Texas Instruments

IC ADC 12BIT SAR 20SSOP

0

ADS7844NG4

D# ADS7844NG4-ND

Texas Instruments

IC ADC 12BIT SAR 20SSOP

0

ADS7844NB/1KG4

D# ADS7844NB/1KG4-ND

Texas Instruments

IC ADC 12BIT SAR 20SSOP

0

ADS7844N/1K

D# 296-25902-1-ND

Texas Instruments

IC ADC 12BIT SAR 20SSOP

1061

ADS7844NB/1K

D# 296-46066-1-ND

Texas Instruments

IC ADC 12BIT SAR 20SSOP

627

ADS7844NBG4

D# ADS7844NBG4-ND

Texas Instruments

IC ADC 12BIT SAR 20SSOP

0

ADS7844NB

D# ADS7844NB-ND

Texas Instruments

IC ADC 12BIT SAR 20SSOP

723
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N

D# ADS7844N

Texas Instruments

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

1618

ADS7844NB/1K

D# ADS7844NB/1K

Texas Instruments

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

2950
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NB/1K

Texas Instruments

In stock shipping within 2days

213

ADS7844NB

Texas Instruments

In stock shipping within 2days

242

ADS7844N

Texas Instruments

In stock shipping within 2days

9587
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

D# 3004365

Texas Instruments

12BIT ADC, 8 CH, SMD, 7844, SSOP20

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
1617

ADS7844N

D# 3116642

Texas Instruments

ADC, QUAD, SAR, 12BIT, 200KSPS, SSOP-20

RoHS: Compliant
Min Qty: 1
Container: Each
0
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NBG4

OEM/CM QUOTES ONLY | NO BROKERS

6613

ADS7844NB

OEM/CM QUOTES ONLY | NO BROKERS

1323

ADS7844N1K

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

13225

ADS7844NB1K

OEM/CM QUOTES ONLY | NO BROKERS

5607

ADS7844N

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

17888

ADS7844NB1KG4

Burr-Brown Corp

OEM/CM QUOTES ONLY | NO BROKERS

124

ADS7844NG4

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

1719
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NBG4

Texas Instruments

OEM/CM ONLY

8297

ADS7844N1K

Texas Instruments

OEM/CM ONLY

742

ADS7844N

Analog Devices Inc

OEM/CM ONLY

855

ADS7844NROHS

Texas Instruments

OEM/CM ONLY

110

ADS7844NB1K

Texas Instruments

OEM/CM ONLY

1076

ADS7844NB1KG4

Texas Instruments

OEM/CM ONLY

461

ADS7844NB

Texas Instruments

OEM/CM ONLY

727

ADS7844NBZ

Analog Devices Inc

OEM/CM ONLY

2992

ADS7844NG4

Texas Instruments

OEM/CM ONLY

158

ADS7844N1KG4

Texas Instruments

OEM/CM ONLY

7102
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

Texas Instruments

SSOP20/ADS7844N/1K/TI

RoHS: Compliant
1000
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N

D# C52610

Texas Instruments

96

ADS7844N/1K

D# C181613

Texas Instruments

71
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NB/1K

Texas Instruments

OEM/CM Immediate delivery

113

ADS7844NB

Texas Instruments

OEM/CM Immediate delivery

131

ADS7844N

Texas Instruments

OEM/CM Immediate delivery

1080

ADS7844N/1K

Texas Instruments

OEM/CM Immediate delivery

1000
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

D# 595-ADS7844N/1K

Texas Instruments

Analog to Digital Converters - ADC 12-Bit 8-Ch Serial Output Sampling

RoHS: Compliant
381

ADS7844N

D# 595-ADS7844N

Texas Instruments

Analog to Digital Converters - ADC 12-Bit 8-Ch Serial Output Sampling

RoHS: Compliant
136

ADS7844NG4

D# 595-ADS7844NG4

Texas Instruments

Analog to Digital Converters - ADC 12-Bit 8-Ch Serial Output Sampling

RoHS: Compliant
140

ADS7844NB

D# 595-ADS7844NB

Texas Instruments

Analog to Digital Converters - ADC 12-Bit 8-Ch Serial Output Sampling

RoHS: Compliant
415

ADS7844NB/1K

D# 595-ADS7844NB/1K

Texas Instruments

Analog to Digital Converters - ADC 12-Bit 8-Ch Serial Output Sampling

RoHS: Compliant
898

ADS7844NBG4

D# 595-ADS7844NBG4

Texas Instruments

Analog to Digital Converters - ADC 12-Bit 8-Ch Serial Output Sampling

RoHS: Compliant
140
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

D# 28AH1861

Texas Instruments

12BIT ADC, 8 CH, SMD, 7844, SSOP20, Resolution (Bits):12bit, Sampling Rate:200kSPS, Input Channel Type:Differential, Single Ended, Data Interface:Serial, Supply Voltage Type:Single, Supply Voltage Min:2.7V, Supply Voltage Max:5.25V, RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
1617

ADS7844N

D# 26AJ5091

Texas Instruments

ADC, QUAD, SAR, 12BIT, 200KSPS, SSOP-20

RoHS: Compliant
Min Qty: 1
Container: Bulk
0
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NB/1KG4

D# NS-ADS7844NB/1KG4

Texas Instruments

OEM/CM ONLY

7869

ADS7844NB

D# NS-ADS7844NB

Texas Instruments

OEM/CM ONLY

2801

ADS7844NBG4

D# NS-ADS7844NBG4

Texas Instruments

OEM/CM ONLY

4476

ADS7844N/1K

D# NS-ADS7844N/1K

Texas Instruments

OEM/CM ONLY

7699

ADS7844N/1KG4

D# NS-ADS7844N/1KG4

Texas Instruments

OEM/CM ONLY

9336

ADS7844NG4

D# NS-ADS7844NG4

Texas Instruments

OEM/CM ONLY

1545

ADS7844N

D# NS-ADS7844N

Texas Instruments

OEM/CM ONLY

1260

ADS7844NB/1K

D# NS-ADS7844NB/1K

Texas Instruments

OEM/CM ONLY

7887
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NB

Texas Instruments

Data Acquisition System, 8 Channel, 12 Bit, 20 Pin, Plastic, SSOP

19

ADS7844N

Texas Instruments

Data Acquisition System, 8 Channel, 12 Bit, 20 Pin, Plastic, SSOP

78

ADS7844NB/1KG4

Texas Instruments

8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20

94
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NB

D# 6528920

Texas Instruments

Texas Instruments, Octal 12-bit- ADC 200ksps, 20-Pin SSOP, EA

Min Qty: 1
Container: Bulk
1
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

Texas Instruments

ADS7844 12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter

RoHS: Compliant
6

ADS7844NB

Texas Instruments

ADS7844 12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter

RoHS: Compliant
11

ADS7844N

Texas Instruments

ADS7844 12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter

RoHS: Compliant
12
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NG4

Texas Instruments

OEM/CM ONLY

1227

ADS7844NB/1KG4

Texas Instruments

OEM/CM ONLY

110

ADS7844NB

Texas Instruments

OEM/CM ONLY

1142

ADS7844NBG4

Texas Instruments

OEM/CM ONLY

186

ADS7844N/1K

Texas Instruments

OEM/CM ONLY

9764

ADS7844N/1KG4

Texas Instruments

OEM/CM ONLY

491

ADS7844N

Texas Instruments

OEM/CM ONLY

8998

ADS7844NB/1K

Texas Instruments

OEM/CM ONLY

963
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

Texas Instruments

IN stock Immediate delivery

995

ADS7844NB/1K

Texas Instruments

IN stock Immediate delivery

108

ADS7844NB

Texas Instruments

IN stock Immediate delivery

126

ADS7844N

Texas Instruments

IN stock Immediate delivery

1075
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844NB

Texas Instruments

12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter

7

ADS7844N

Texas Instruments

12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter

7

ADS7844NB/1K

Texas Instruments

12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter

8

ADS7844N/1K

Texas Instruments

12-Bit, 8-Channel Serial Output Sampling Analog-To-Digital Converter

4
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N

Texas Instruments

shipping today

17496

ADS7844NB/1K

Texas Instruments

shipping today

65

ADS7844N/1K

Texas Instruments

shipping today

99996

ADS7844NB

Texas Instruments

shipping today

446
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N

D# 38848994

Texas Instruments

8-Channel Single ADC SAR 200ksps 12-bit Serial 20-Pin SSOP Tube

RoHS: Compliant
0
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N1KG4

Texas Instruments

RFQ

12322

ADS7844NG4

Texas Instruments

RFQ

10294

ADS7844NB/1KG4

Texas Instruments

RFQ

8661

ADS7844NB

Texas Instruments

RFQ

10034

ADS7844NBG4

Texas Instruments

RFQ

3361

ADS7844NB/1K

Texas Instruments

RFQ

5835

ADS7844N/1K

Texas Instruments

RFQ

8671

ADS7844N

Texas Instruments

RFQ

7769
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

Texas Instruments

IC 12BIT 8-CHN 200KHZ A/D 20SSOP

8484

ADS7844NB

Texas Instruments

IC 12-BIT 8-CHAN 200KHZ 20-SSOP

580

ADS7844N

Texas Instruments

IC 12-BIT 8-CHAN 200KHZ 20-SSOP

900
Onderdeelnummer Fabrikant Omschrijving Voorraad

ADS7844N/1K

D# 3004365

Texas Instruments

12BIT ADC, 8 CH, SMD, 7844, SSOP20

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
1632

ADS7844N

D# 3116642

Texas Instruments

ADC, QUAD, SAR, 12BIT, 200KSPS, SSOP-20

RoHS: Compliant
Min Qty: 1
Container: Each
0

Quick Inquiry

ADS7844N

Gecertificeerde kwaliteit

Heisener's toewijding aan kwaliteit heeft onze processen voor sourcing, testen, verzending en elke stap daartussen gevormd. Deze basis ligt ten grondslag aan elk onderdeel dat we verkopen.

ISO9001:2015, ICAS, IAF, UKAS

Bekijk de certificaten

Contacteer ons

Heeft u een vraag over ADS7844N?

ADS7844N QRCode

Scan om deze pagina te bekijken

Aanbevolen producten

HSMS-A100-J00J1

LED RED CLEAR 2PLCC SMD

B3S-1002P

SWITCH TACTILE SPST-NO 0.05A 24V

CK45-R3DD102KAVRA

CAP CER DISC RADIAL

HCTI-10-20.0

FIXED IND 10UH 20A 5 MOHM TH

10118194-0001LF

CONN USB MICRO B RECPT SMT R/A

LTM4608AMPY#PBF

IC MODULE REG DC/DC 8A 68BGA

MAX3221EAE

IC TXRX RS232 120KBPS SD 16-SSOP

DS5000FP-16+

IC MCU 8BIT NVSRAM 80QFP

AT93C57W-10SC

IC EEPROM 2KBIT 2MHZ 8SOIC

MAX13442EASA+T

IC TXRX RS485 HALF DUPLEX 8-SOIC

Meer bekijken »

ADS7844N Tags

  • ADS7844N
  • ADS7844N PDF
  • ADS7844N data papier
  • ADS7844N specificatie
  • ADS7844N beeld
  • Texas Instruments
  • Texas Instruments ADS7844N
  • koop ADS7844N
  • ADS7844N prijsstelling
  • ADS7844N verdeler
  • ADS7844N leverancier
  • ADS7844N groothandel

ADS7844N is ook verkrijgbaar in