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Part Number: TLC0832I
Description: These devices are 8-bit successive-approximation analog-to-digital converters. The TLC0831 has single ...
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TLC0832I
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DataSheet
General Description
TLC0832I General Description
These devices are 8-bit successive-approximation analog-to-digital converters. The TLC0831 has single input channels; the TLC0832 has multiplexed twin input channels. The serial output is configured to interface with
standard shift registers or microprocessors.
The TLC0832 multiplexer is software configured for single-ended or differential inputs. The differential analog voltage input allows for common-mode rejection or offset of the analog zero input voltage value. In addition, the voltage reference input can be adjusted to allow encoding any smaller analog voltage span to the full 8 bits of resolution.
The operation of the TLC0831 and TLC0832 devices is very similar to the more complex TLC0834 and TLC0838 devices. Ratiometric conversion can be attained by setting the REF input equal to the maximum analog input signal value, which gives the highest possible conversion resolution. Typically, REF is set equal to VCC (done internally on the TLC0832).
The TLC0831C and TLC0832C are characterized for operation from 0 to 70. The TLC0831I and TLC0832I are characterized for operation from 40 to 85.
TLC0832I Maximum Ratings
Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . 6.5 V
Input voltage range, VI: Logic .. . . . . . . . . . . . . 0.3 V to VCC + 0.3 V
Analog . . . . . . . . . . . . 0.3 V to VCC + 0.3 V
Input current, II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5 mA
Total input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Operating free-air temperature range, TA: C suffix . . . . . . 0 to 70
I suffix . . . . 40 to 85
Storage temperature range, Tstg . . . . . . . . . . . . . . . . 65 to 150
Lead temperature 1,6 mm (1/16 inch) from
case for 10 seconds: P package . . . . . . . . . . . . . . . . . . . . . 260
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values, except differential voltages, are with respect to the network ground terminal.
Input voltage range, VI: Logic .. . . . . . . . . . . . . 0.3 V to VCC + 0.3 V
Analog . . . . . . . . . . . . 0.3 V to VCC + 0.3 V
Input current, II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5 mA
Total input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Operating free-air temperature range, TA: C suffix . . . . . . 0 to 70
I suffix . . . . 40 to 85
Storage temperature range, Tstg . . . . . . . . . . . . . . . . 65 to 150
Lead temperature 1,6 mm (1/16 inch) from
case for 10 seconds: P package . . . . . . . . . . . . . . . . . . . . . 260
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values, except differential voltages, are with respect to the network ground terminal.
TLC0832I Features
· 8-Bit Resolution
· Easy Microprocessor Interface or Standalone Operation
· Operates Ratiometrically or With 5-V Reference
· Single Channel or Multiplexed Twin Channels With Single-Ended or Differential Input Options
· Input Range 0 to 5 V With Single 5-V Supply
· Inputs and Outputs Are Compatible With TTL and MOS
· Conversion Time of 32 ms at fclock = 250 kHz
· Designed to Be Interchangeable With National Semiconductor ADC0831 and ADC0832
· Total Unadjusted Error . . . ± 1 LSB
· Easy Microprocessor Interface or Standalone Operation
· Operates Ratiometrically or With 5-V Reference
· Single Channel or Multiplexed Twin Channels With Single-Ended or Differential Input Options
· Input Range 0 to 5 V With Single 5-V Supply
· Inputs and Outputs Are Compatible With TTL and MOS
· Conversion Time of 32 ms at fclock = 250 kHz
· Designed to Be Interchangeable With National Semiconductor ADC0831 and ADC0832
· Total Unadjusted Error . . . ± 1 LSB
TLC0832I Connection Diagram
TLC0832I
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- Datasheet: TLC0832I
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