ADS7824

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4-Channel, 12-Bit Sampling CMOS A/D Converter

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Data sheet

document-pdfAcrobat 4-Channel, 12-Bit Sampling CMOS A/D Converter datasheet

Errata

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Errata: ADS78xx

ADS7824

ACTIVE

Data sheet

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Product details

Resolution (bps)

12

Sample rate (max) (ksps)

40

Number of input channels

4

Interface type

Parallel, SPI

Architecture

SAR

Input type

Single-ended

Multichannel configuration

Multiplexed

Rating

Catalog

Reference mode

External, Internal

Input voltage range (max) (V)

10

Input voltage range (min) (V)

-10

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

50

Analog supply (min) (V)

4.75

Analog supply voltage (max) (V)

5.25

SNR (dB)

73

Digital supply (min) (V)

4.75

Digital supply (max) (V)

5.25

Resolution (bps)

12

Sample rate (max) (ksps)

40

Number of input channels

4

Interface type

Parallel, SPI

Architecture

SAR

Input type

Single-ended

Multichannel configuration

Multiplexed

Rating

Catalog

Reference mode

External, Internal

Input voltage range (max) (V)

10

Input voltage range (min) (V)

-10

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

50

Analog supply (min) (V)

4.75

Analog supply voltage (max) (V)

5.25

SNR (dB)

73

Digital supply (min) (V)

4.75

Digital supply (max) (V)

5.25

SOIC (DW)

28

184.37 mm² 17.9 x 10.3

25µs max SAMPLING AND CONVERSION
SINGLE +5V SUPPLY OPERATION
PIN-COMPATIBLE WITH 16-BIT ADS7825
PARALLEL AND SERIAL DATA OUTPUT
28-PIN 0.3" PLASTIC DIP AND SOIC
±0.5 LSB max INL AND DNL
50mW max POWER DISSIPATION
50µW POWER DOWN MODE
±10V INPUT RANGE, FOUR CHANNEL MULTIPLEXER
CONTINUOUS CONVERSION MODE

Note: Recommended Voltage Reference: REF02 and REF102

25µs max SAMPLING AND CONVERSION
SINGLE +5V SUPPLY OPERATION
PIN-COMPATIBLE WITH 16-BIT ADS7825
PARALLEL AND SERIAL DATA OUTPUT
28-PIN 0.3" PLASTIC DIP AND SOIC
±0.5 LSB max INL AND DNL
50mW max POWER DISSIPATION
50µW POWER DOWN MODE
±10V INPUT RANGE, FOUR CHANNEL MULTIPLEXER
CONTINUOUS CONVERSION MODE

Note: Recommended Voltage Reference: REF02 and REF102

The ADS7824 can acquire and convert 12 bits to within ±0.5 LSB in 25µs max while consuming only 50mW max. Laser-trimmed scaling resistors provide the standard industrial ±10V input range and channel-to-channel matching of ±0.1%. The ADS7824 is a low-power 12-bit sampling A/D with a four channel input multiplexer, S/H, clock, reference, and a parallel/serial microprocessor interface. It can be configured in a continuous conversion mode to sequentially digitize all four channels. The 28-pin ADS7824 is available in a plastic 0.3" DIP and in a SOIC, both fully specified for operation over the industrial –40°C to +85°C range.

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