Purchase AD674B*, In-stock AD674B* From SeekIC.
Part Number: AD674B*
Description: The AD674B and AD774B are complete 12-bit successiveapproximation analog-to-digital converters with th...
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AD674B*
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DataSheet
General Description
AD674B* General Description
The AD674B and AD774B are complete 12-bit successiveapproximation analog-to-digital converters with three-state output buffer circuitry for direct interface to 8- and 16-bit microprocessor busses. A high-precision voltage reference and clock are included on chip, and the circuit requires only power supplies and control signals for operation.
The AD674B and AD774B are pin-compatible with the industry standard AD574A, but offer faster conversion time and busaccess speed than the AD574A and lower power consumption.The AD674B converts in 15 s (maximum) and the AD774B converts in 8 s (maximum).
The monolithic design is implemented using Analog Devices'BiMOS II process allowing high-performance bipolar analog circuitry to be combined on the same die with digital CMOS logic. Offset, linearity, and scaling errors are minimized by active laser trimming of thin-film resistors.
Five different grades are available. The J and K grades are specified for operation over the 0°C to 70°C temperature range. The A and B grades are specified from 40°C to +85°C, the T grade is specified from 55°C to +125°C. The J and K grades are available in a 28-lead plastic DIP or 28-lead SOIC. All other grades are available in a 28-lead hermetically sealed ceramic DIP.
AD674B* Maximum Ratings
VCC to Digital Common . . . . . . . . . . . . . . . . . . ............................................................ 0 to +16.5 V
VEE to Digital Common . . . . . . . . . . . . . . . . . . . . .........................................................0 to 16.5 V
VLOGIC to Digital Common . . . . . . . . . . . . . . . . . . . ..........................................................0 to +7 V
Analog Common to Digital Common . . . . . . . . . . . . . . ............................................................ ±1 V
Digital Inputs to Digital Common . . . ........................................................0.5 V to VLOGIC +0.5 V
Analog Inputs to Analog Common . . . . . . . . . . . ............................................................ VEE to VCC
20 VIN to Analog Common . . . . . . . . . . . . . . . . . . . . . .......................................................... ±24 V
REF OUT . . . . . . . . . . . . . . . . . . ...........................................................Indefinite Short to Common
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .........................................................Momentary Short to VCC
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . .......................................................175°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . .........................................................825 mW
Lead Temperature, Soldering (10 sec) . . . . . . . . . . . . . .......................................................300°C
Storage Temperature . . . . . . . . . . . . . . . . . . ...................................................65°C to +150°C
VEE to Digital Common . . . . . . . . . . . . . . . . . . . . .........................................................0 to 16.5 V
VLOGIC to Digital Common . . . . . . . . . . . . . . . . . . . ..........................................................0 to +7 V
Analog Common to Digital Common . . . . . . . . . . . . . . ............................................................ ±1 V
Digital Inputs to Digital Common . . . ........................................................0.5 V to VLOGIC +0.5 V
Analog Inputs to Analog Common . . . . . . . . . . . ............................................................ VEE to VCC
20 VIN to Analog Common . . . . . . . . . . . . . . . . . . . . . .......................................................... ±24 V
REF OUT . . . . . . . . . . . . . . . . . . ...........................................................Indefinite Short to Common
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .........................................................Momentary Short to VCC
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . .......................................................175°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . .........................................................825 mW
Lead Temperature, Soldering (10 sec) . . . . . . . . . . . . . .......................................................300°C
Storage Temperature . . . . . . . . . . . . . . . . . . ...................................................65°C to +150°C
AD674B* Features
Complete Monolithic 12-Bit A/D Converters with Reference, Clock, and Three-State Output Buffers
Industry Standard Pinout
High Speed Upgrades for AD574A
8- and 16-Bit Microprocessor Interface
8 s (Max) Conversion Time (AD774B)
15 s (Max) Conversion Time (AD674B)
±5 V, ±10 V, 0 V10 V, 0 V20 V Input Ranges
Commercial, Industrial, and Military Temperature Range Grades
MIL-STD-883-Compliant Versions Available
AD674B* Connection Diagram
AD600
PDF/DataSheet Download
- Datasheet: AD600
- File Size: 685962 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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The AD674B and AD774B are complete 12-bit successive approximation analog-to-digital converters with three-state output buffer circuitry for direct interface to 8- and 16-bit microprocessor busses. A high-precision voltage reference and clock are included on...
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