ADS7808

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Convertidor analógico a digital (ADC) de muestreo CMOS serie de 12 bits y 10 µs

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Hoja de datos

document-pdfAcrobat ADS7808: 12-Bit 10µs Serial CMOS Sampling Analog-to-Digital Converter datasheet (Rev. A) (Inglés)

Errata

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Errata: ADS78xx (Inglés)

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ADS7808

ACTIVO

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Detalles del producto

Resolution (Bits)

12

Sample rate (max) (ksps)

100

Number of input channels

1

Interface type

SPI

Architecture

SAR

Input type

Single-ended

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)

81.5

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 (Bits)

12

Sample rate (max) (ksps)

100

Number of input channels

1

Interface type

SPI

Architecture

SAR

Input type

Single-ended

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)

81.5

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)

20

131.84 mm² 12.8 x 10.3

100kHz SAMPLING RATE
72dB SINAD WITH 45kHz INPUT
±1/2 LSB INL AND DNL
SIX SPECIFIED INPUT RANGES
SERIAL OUTPUT
SINGLE +5V SUPPLY OPERATION
PIN-COMPATIBLE WITH 16-BIT ADS7809
USES INTERNAL OR EXTERNAL REFERENCE
100mW MAX POWER DISSIPATION
0.3" SO-20
SIMPLE DSP INTERFACE

Note: Recommended Voltage Reference: REF02 and REF102
All trademarks are the property of their respective owners.

100kHz SAMPLING RATE
72dB SINAD WITH 45kHz INPUT
±1/2 LSB INL AND DNL
SIX SPECIFIED INPUT RANGES
SERIAL OUTPUT
SINGLE +5V SUPPLY OPERATION
PIN-COMPATIBLE WITH 16-BIT ADS7809
USES INTERNAL OR EXTERNAL REFERENCE
100mW MAX POWER DISSIPATION
0.3" SO-20
SIMPLE DSP INTERFACE

Note: Recommended Voltage Reference: REF02 and REF102
All trademarks are the property of their respective owners.

The ADS7808 is a complete 12-bit sampling analog-to-digital using state-of-the-art CMOS structures. It contains a 12-bit capacitor-based SAR A/D with S/H, reference, clock, and a serial data interface. Data can be output using the internal clock, or can be synchronized to an external data clock. The ADS7808 also provides an output synchronization pulse for ease of use with standard DSP processors.

The ADS7808 is specified at a 100kHz sampling rate, and guaranteed over the full temperature range. Laser-trimmed scaling resistors provide various input ranges including ±10V and 0V to 5V, while an innovative design operates from a single +5V supply, with power dissipation under 100mW.

The ADS7808 is available in a 0.3" SO-20, fully specified for operation over the industrial –40°C to +85°C range.

The ADS7808 is a complete 12-bit sampling analog-to-digital using state-of-the-art CMOS structures. It contains a 12-bit capacitor-based SAR A/D with S/H, reference, clock, and a serial data interface. Data can be output using the internal clock, or can be synchronized to an external data clock. The ADS7808 also provides an output synchronization pulse for ease of use with standard DSP processors.

The ADS7808 is specified at a 100kHz sampling rate, and guaranteed over the full temperature range. Laser-trimmed scaling resistors provide various input ranges including ±10V and 0V to 5V, while an innovative design operates from a single +5V supply, with power dissipation under 100mW.

The ADS7808 is available in a 0.3" SO-20, fully specified for operation over the industrial –40°C to +85°C range.

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