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MFG:ADI D/C:09
Part Number: AD977
MFG: ADI
D/C: 09
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 ...
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AD977
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DataSheet
General Description
AD977 General 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.
AD977 Maximum Ratings
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
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
AD977 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
-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
AD977 Connection Diagram
AD977
PDF/DataSheet Download
- Datasheet: AD977
- File Size: 290855 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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- ·AD9002BD
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