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TLV0838

現行

8 位元 37.9 kSPS ADC 序列輸出、比率運算或 Vcc 參考、TTL/MOS 輸入及輸出相容、8 通道

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TLV0838

現行
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產品詳細資料

Resolution (Bits) 8 Sample rate (max) (ksps) 31 Number of input channels 8 Interface type SPI Architecture SAR Input type Differential, Pseudo-Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External Input voltage range (max) (V) 3.6 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 0.66 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 Digital supply (min) (V) 2.7 Digital supply (max) (V) 3.6
Resolution (Bits) 8 Sample rate (max) (ksps) 31 Number of input channels 8 Interface type SPI Architecture SAR Input type Differential, Pseudo-Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External Input voltage range (max) (V) 3.6 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 0.66 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 Digital supply (min) (V) 2.7 Digital supply (max) (V) 3.6
PDIP (N) 20 228.702 mm² 24.33 x 9.4 SOIC (DW) 20 131.84 mm² 12.8 x 10.3 TSSOP (PW) 20 41.6 mm² 6.5 x 6.4
  • 8-Bit Resolution
  • 2.7-V to 3.6-V VCC
  • Easy Microprocessor Interface or
    Stand-Alone Operation
  • Operates Ratiometrically or With VCC Reference
  • 4- or 8-Channel Multiplexer Options With
    Address Logic
  • Input Range 0 V to VCC With VCC Reference
  • Remote Operation With Serial Data Link
  • Inputs and Outputs Are Compatible With
    TTL and MOS
  • Conversion Time of 32 us at
    f(CLK) = 250 kHz
  • Functionally Equivalent to the ADC0834 and ADC0838 at 3-V Supply Without the Internal Zener Regulator Network
  • Total Unadjusted Error...±1 LSB
  • 8-Bit Resolution
  • 2.7-V to 3.6-V VCC
  • Easy Microprocessor Interface or
    Stand-Alone Operation
  • Operates Ratiometrically or With VCC Reference
  • 4- or 8-Channel Multiplexer Options With
    Address Logic
  • Input Range 0 V to VCC With VCC Reference
  • Remote Operation With Serial Data Link
  • Inputs and Outputs Are Compatible With
    TTL and MOS
  • Conversion Time of 32 us at
    f(CLK) = 250 kHz
  • Functionally Equivalent to the ADC0834 and ADC0838 at 3-V Supply Without the Internal Zener Regulator Network
  • Total Unadjusted Error...±1 LSB

These devices are 8-bit successive-approximation analog-to-digital converters, each with an input-configurable multichannel multiplexer and serial input/output. The serial input/output is configured to interface with standard shift registers or microprocessors. Detailed information on interfacing with most popular microprocessors is readily available from the factory.

The TLV0834 (4-channel) and TLV0838 (8-channel) multiplexer is software-configured for single-ended or differential inputs as well as pseudodifferential input assignments. 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 of any smaller analog voltage span to the full 8 bits of resolution.

The TLV0834C and TLV0838C are characterized for operation from 0°C to 70°C. The TLV0834I and TLV0838I are characterized for operation from -40°C to 85°C.

These devices are 8-bit successive-approximation analog-to-digital converters, each with an input-configurable multichannel multiplexer and serial input/output. The serial input/output is configured to interface with standard shift registers or microprocessors. Detailed information on interfacing with most popular microprocessors is readily available from the factory.

The TLV0834 (4-channel) and TLV0838 (8-channel) multiplexer is software-configured for single-ended or differential inputs as well as pseudodifferential input assignments. 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 of any smaller analog voltage span to the full 8 bits of resolution.

The TLV0834C and TLV0838C are characterized for operation from 0°C to 70°C. The TLV0834I and TLV0838I are characterized for operation from -40°C to 85°C.
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類型 標題 日期
* Data sheet 3-Volt 8-Bit Analog-to-Digital Converters With Serial Control datasheet (Rev. B) 2000年 10月 13日
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs 2015年 5月 21日
Application note Determining Minimum Acquisition Times for SAR ADCs, part 2 2011年 3月 17日

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