TLV0832

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8 位 44.7kSPS ADC，串行输出、多路复用双通道，具有单端或差分选项、2 通道

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数据表

document-pdfAcrobat 3-Volt 8-Bit Analog-to-Digital Converters With Serial Control 数据表 (英语)

TLV0832

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数据表

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Resolution (bps)

8

Sample rate (max) (ksps)

44.7

Number of input channels

2

Interface type

SPI

Architecture

SAR

Input type

Differential, Single-ended

Multichannel configuration

Multiplexed

Rating

Catalog

Reference mode

Supply

Input voltage range (max) (V)

3.6

Input voltage range (min) (V)

0

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

4.95

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 (bps)

8

Sample rate (max) (ksps)

44.7

Number of input channels

2

Interface type

SPI

Architecture

SAR

Input type

Differential, Single-ended

Multichannel configuration

Multiplexed

Rating

Catalog

Reference mode

Supply

Input voltage range (max) (V)

3.6

Input voltage range (min) (V)

0

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

4.95

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 (P)

8

92.5083 mm² 9.81 x 9.43

SOIC (D)

8

29.4 mm² 4.9 x 6

8-Bit Resolution
2.7 V to 3.6 V V_CC
Easy Microprocessor Interface or Standalone Operation
Operates Ratiometrically or With V_CCReference
Single Channel or Multiplexed Twin Channels With Single-Ended or Differential Input Options
Input Range 0 V to V_CC With V_CC Reference
Inputs and Outputs Are Compatible With TTL and MOS
Conversion Time of 32 us at f_(CLK) = 250 kHz
Designed to Be Functionally Equivalent to the National Semiconductor ADC0831 and ADC0832 at 3 V Supply
Total Unadjusted Error . . . ± 1 LSB

8-Bit Resolution
2.7 V to 3.6 V V_CC
Easy Microprocessor Interface or Standalone Operation
Operates Ratiometrically or With V_CCReference
Single Channel or Multiplexed Twin Channels With Single-Ended or Differential Input Options
Input Range 0 V to V_CC With V_CC Reference
Inputs and Outputs Are Compatible With TTL and MOS
Conversion Time of 32 us at f_(CLK) = 250 kHz
Designed to Be Functionally Equivalent to the National Semiconductor ADC0831 and ADC0832 at 3 V Supply
Total Unadjusted Error . . . ± 1 LSB

These devices are 8-bit successive-approximation analog-to-digital converters. The TLV0831 has single input channels; the TLV0832 has multiplexed twin input channels. The serial output is configured to interface with standard shift registers or microprocessors.

The TLV0832 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 TLV0831 and TLV0832 devices is very similar to the more complex TLV0834 and TLV0838 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 V_CC (done internally on the TLV0832).

The TLV0831C and TLV0832C are characterized for operation from 0°C to 70°C. The TLV0831I and TLV0832I are characterized for operation from -40°C to 85°C.

These devices are 8-bit successive-approximation analog-to-digital converters. The TLV0831 has single input channels; the TLV0832 has multiplexed twin input channels. The serial output is configured to interface with standard shift registers or microprocessors.

The TLV0832 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 TLV0831 and TLV0832 devices is very similar to the more complex TLV0834 and TLV0838 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 V_CC (done internally on the TLV0832).

The TLV0831C and TLV0832C are characterized for operation from 0°C to 70°C. The TLV0831I and TLV0832I are characterized for operation from -40°C to 85°C.

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