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TI(德州仪器) TLC0820A
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  • TI(德州仪器) TLC0820A
  • TI(德州仪器) TLC0820A
  • TI(德州仪器) TLC0820A
  • TI(德州仪器) TLC0820A
  • TI(德州仪器) TLC0820A
  • TI(德州仪器) TLC0820A
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TLC0820A

TLC0820A

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8 位,392kSPS ADC 并行输出,微处理器外设,片上跟踪与保持,单通道

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The TLC0820AC and the TLC0820AI are Advanced LinCMOSTM 8-bit analog-to-digital converters each consisting of two 4-bit flash converters, a 4-bit digital-to-analog converter, a summing (error) amplifier, control logic, and a result latch circuit. The modified flash technique allows low-power integrated circuitry to complete an 8-bit conversion in 1.18 us over temperature. The on-chip track-and-hold circuit has a 100-ns sample window and allows these devices to convert continuous analog signals having slew rates of up to 100 mV/us without external sampling components. TTL-compatible 3-state output drivers and two modes of operation allow interfacing to a variety of microprocessors. Detailed information on interfacing to most popular microprocessors is readily available from the factory.

  • Advanced LinCMOSTM Silicon-Gate Technology
  • 8-Bit Resolution
  • Differential Reference Inputs
  • Parallel Microprocessor Interface
  • Conversion and Access Time Over Temperature Range
    Read Mode . . . 2.5 us Max
  • No External Clock or Oscillator Components Required
  • On-Chip Track and Hold
  • Single 5-V Supply
  • TLC0820A Is Direct Replacement for National Semiconductor ADC0820C/CC and Analog Devices AD7820K/B/T

Advanced LinCMOS is a trademark of Texas Instruments Incorporated.

Resolution (Bits)8
Sample rate (max) (ksps)392
Number of input channels1
Interface typeParallel
ArchitectureSAR
Input typeSingle-ended
RatingCatalog
Reference modeExternal
Input voltage range (max) (V)8
Input voltage range (min) (V)0
Operating temperature range (°C)0 to 70
Power consumption (typ) (mW)37.5
Analog supply (min) (V)4.5
Analog supply voltage (max) (V)8
Digital supply (min) (V)4.5
Digital supply (max) (V)8
PDIP (N)20228.702 mm² 24.33 x 9.4
PLCC (FN)2098.01 mm² 9.9 x 9.9
SOIC (DW)20131.84 mm² 12.8 x 10.3
SSOP (DB)2056.16 mm² 7.2 x 7.8
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