ADS7804

12-Bit 10µs Sampling CMOS ANALOG-to-DIGITAL CONVERTER

FEATURES

● 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 SOIC

DESCRIPTION

The ADS7804 is a complete 12-bit sampling A/D using state-of-the-art CMOS structures. It contains a complete 12-bit, capacitor-based, SAR A/D 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. Lasertrimmed scaling resistors provide an industrystandard ±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 a plastic 0.3" DIP and in an SOIC, both fully specified for operation over the industrial –40°C to +85°C range.

ABSOLUTE MAXIMUM RATINGS

Analog Inputs: V_IN ............................................................................. ±25V

CAP ..................................... +V_ANA +0.3V to AGND2 –0.3V

REF .......................................... Indefinite Short to AGND2 Momentary Short to V_ANA

Ground Voltage Differences: DGND, AGND1, AGND2 ..................... ±0.3V

V_ANA .......................................................................................................7V

V_DIG to V_ANA ..................................................................................... +0.3V

V_DIG ....................................................................................................... 7V

Digital Inputs ........................................................... –0.3V to +VDIG +0.3V

Maximum Junction Temperature ................................................... +165°C

Internal Power Dissipation............................................................. 825mW

Lead Temperature (soldering, 10s) ............................................... +300°C

PIN CONFIGURATION

Stock Offer (Hot Sell)

           King--- Originator of ANTERWELL, engaged in the IC electronics industry in 1998 and establish ANTERWELL in 2004. The company is located in Shenzhen Huaqiang North, the largest electronic center in Asia. Our main business is the technical development and electronic products import and export business. Currently, we have branches in Hong Kong and Malaysia.

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