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AD977A

Features: Fast 16-Bit ADC-100 kSPS Throughput Rate-AD977-200 kSPS Throughput Rate-AD977ASingle 5 V Supply OperationPower Dissipation 100 mW MaxPower-Down Mode 50 WInput Ranges:-Unipolar; 0 V10 V, 0 V5 V and 0 V4 V-Bipolar; ±10V,±5V and ±3.3VChoice of External or Internal 2.5 V ReferenceHigh Speed ...

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SeekIC No. : 004273432 Detail

AD977A: Features: Fast 16-Bit ADC-100 kSPS Throughput Rate-AD977-200 kSPS Throughput Rate-AD977ASingle 5 V Supply OperationPower Dissipation 100 mW MaxPower-Down Mode 50 WInput Ranges:-Unipolar; 0 V10 V, 0 ...

AD977A Data Sheet

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Part Number:
AD977A
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Fast 16-Bit ADC
-100 kSPS Throughput Rate-AD977
-200 kSPS Throughput Rate-AD977A
Single 5 V Supply Operation
Power Dissipation 100 mW Max
Power-Down Mode 50 W
Input Ranges:
-Unipolar; 0 V10 V, 0 V5 V and 0 V4 V
-Bipolar; ±10V,±5V and ±3.3V
Choice of External or Internal 2.5 V Reference
High Speed Serial Interface
On-Chip Clock
20-Lead Skinny DIP or SOIC Package
28-Lead Skinny SSOP Package





Pinout

AD977A Diagram

Connection Diagram




Specifications

Resolution (Bits) 16bit
T-Put Rate 200kSPS
# Chan 1
Supply V Single(+5)
Pwr Diss 100mW
Interface Ser
Ain Range Bip 10V,Bip 3.0V,Bip 5.0V,Uni 10V,Uni 4.0V,Uni 5.0V
SNR (dB) 85dB
Pkg Type DIP,SOIC,SOP


Analog Inputs
R1IN, R2IN , R3IN. . . . . . . . . . . . . . . . . . . . . . . . . . . .±25 V
CAP . . . . . . . . . . . . . . . . .+VANA + 0.3 V to AGND2 0.3 V
REF . . . . . . . . . . . . . . . . . . . . . Indefinite Short to AGND2,
. . . . . . . . . . . . . . . . . . . . . . . . .Momentary Short to VANA
Ground Voltage Differences
DGND, AGND1, AGND2 . . . . . . . . . . . . . . . . ....... . .±0.3 V
Supply Voltages
VANA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 V
VDIG to VANA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±7 V
VDIG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 V
Digital Inputs . . . . . . . . . . . . . . .. .0.3 V to VDIG + 0.3 V
Internal Power Dissipation2
PDIP (N), SOIC (R), SSOP (RS) . . . . . . . . . ...... . . .700 mW
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . .150°C
Storage Temperature Range N, R . . . .65°C to +150°C
Lead Temperature Range
(Soldering10sec) . . . . . . . . . . . . . . . . . . . . . . . . . . .300°C




Description

The AD977/AD977A is a high speed, low power 16-bit A/D converter that operates from a single 5 V supply. The AD977A has a throughput rate of 200 kSPS whereas the AD977 has a throughput rate of 100 kSPS. Each part contains a successive approximation, switched capacitor ADC, an internal 2.5 V reference, and a high speed serial interface. The ADC is factory calibrated to minimize all linearity errors. The AD977/AD977A is specified for full scale bipolar input ranges of ±10 V, ±5 V and±3.3 V, and unipolar ranges of 0 V to 10 V, 0 V to 5 V and 0 V to 4 V.

The AD977/AD977A is comprehensively tested for ac param-eters such as SNR and THD, as well as the more traditional dc parameters of offset, gain and linearity.






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