ADS7804

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Convertidor analógico a digital CMOS de muestreo de 12 bits y 10us

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document-pdfAcrobat ADS7804: 12-Bit 10µs Sampling CMOS Analog-to-Digital Converter datasheet (Rev. A) (Inglés)

ADS7804

ACTIVO

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Detalles del producto

Resolution (bps)

12

Sample rate (max) (ksps)

100

Number of input channels

1

Interface type

Byte-Wide, Parallel

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)

70

Digital supply (min) (V)

4.75

Digital supply (max) (V)

5.25

Resolution (bps)

12

Sample rate (max) (ksps)

100

Number of input channels

1

Interface type

Byte-Wide, Parallel

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)

70

Digital supply (min) (V)

4.75

Digital supply (max) (V)

5.25

SOIC (DW)

28

184.37 mm² 17.9 x 10.3

100kHz min SAMPLING RATE
STANDARD ±10V INPUT RANGE
72dB min SINAD WITH 45kHz INPUT
±0.45 LSB max INL
DNL: 12 Bits "No Missing Codes"
SINGLE +5V SUPPLY OPERATION
PIN-COMPATIBLE WITH 16-BIT ADS7805
USES INTERNAL OR EXTERNAL REFERENCE
COMPLETE WITH S/H, REF, CLOCK, ETC.
FULL PARALLEL DATA OUTPUT
100mW max POWER DISSIPATION
28-PIN 0.3" PLASTIC DIP AND SO PACKAGES

Note: Recommended Voltage Reference: REF02 and REF102

100kHz min SAMPLING RATE
STANDARD ±10V INPUT RANGE
72dB min SINAD WITH 45kHz INPUT
±0.45 LSB max INL
DNL: 12 Bits "No Missing Codes"
SINGLE +5V SUPPLY OPERATION
PIN-COMPATIBLE WITH 16-BIT ADS7805
USES INTERNAL OR EXTERNAL REFERENCE
COMPLETE WITH S/H, REF, CLOCK, ETC.
FULL PARALLEL DATA OUTPUT
100mW max POWER DISSIPATION
28-PIN 0.3" PLASTIC DIP AND SO PACKAGES

Note: Recommended Voltage Reference: REF02 and REF102

The ADS7804 is a complete 12-bit sampling analog-to-digital (A/D) converter using state-of-the-art CMOS structures. It contains a complete 12-bit, capacitor-based, SAR A/D converter with S/H, reference, clock, interface for microprocessor use, and three-state output drivers.

The ADS7804 is specified at a 100kHz sampling rate, and guaranteed over the full temperature range. Laser-trimmed scaling resistors provide an industry-standard ±10V input range, while the innovative design allows operation from a single +5V supply, with power dissipation under 100mW.

The 28-pin ADS7804 is available in plastic 0.3" DIP and SO packages, both fully specified for operation over the industrial –40°C to +85°C range.

The ADS7804 is a complete 12-bit sampling analog-to-digital (A/D) converter using state-of-the-art CMOS structures. It contains a complete 12-bit, capacitor-based, SAR A/D converter with S/H, reference, clock, interface for microprocessor use, and three-state output drivers.

The ADS7804 is specified at a 100kHz sampling rate, and guaranteed over the full temperature range. Laser-trimmed scaling resistors provide an industry-standard ±10V input range, while the innovative design allows operation from a single +5V supply, with power dissipation under 100mW.

The 28-pin ADS7804 is available in plastic 0.3" DIP and SO packages, both fully specified for operation over the industrial –40°C to +85°C range.

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