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ADS1206

Burr-Brown Corporation
Part Number ADS1206
Manufacturer Burr-Brown Corporation
Description SYNCHRONOUS VOLTAGE-TO-FREQUENCY CONVERTER
Published Sep 27, 2005
Detailed Description ADS1206 ADS1207 SBAS311 − MARCH 2004 LowĆPower, Synchronous VoltageĆtoĆFrequency Converter FEATURES D Syncronous Operat...
Datasheet PDF File ADS1206 PDF File

ADS1206
ADS1206

Overview
ADS1206 ADS1207 SBAS311 − MARCH 2004 LowĆPower, Synchronous VoltageĆtoĆFrequency Converter FEATURES D Syncronous Operation D Frequency Set By External Clock D Maximum Input Frequency: D D D D D D Alternate Source for AD7740 D −40°C to +85°C Operating Temperature Range APPLICATIONS D Galvanic Isolation Measurement D High Voltage Measurement D Low-Cost Analog-to-Digital Conversion D Motor Control D Industrial Process Control D Instrumentation D Smart Transmitters D Portable Instruments − 1MHz for ADS1206 − 4MHz for ADS1207 Selectable High-Impedance Buffered Input 2% Internal, 2.
5V Reference Voltage High-Current Output Driver Power Supply 3.
3V or 5V Low Power : 3mW (typ) DESCRIPTION The ADS1206 and ADS1207 are a low-cost, high-performance, synchronous voltage-to-frequency converters (VFC).
Both devices can operate from a single 3.
0V to 3.
6V or 4.
5V to 5.
5V power supply, consuming only 1mA.
The output signal is synchronous with the input clock, CLKIN.
The clock input is TTL- and CMOScompatible and the onboard clock generator can also accept an external crystal or resonator.
The maximum input clock frequency for the ADS1206 is 1MHz and for the ADS1207 is 4MHz.
The clock divider on the ADS1207 scales the input frequency to 2MHZ, which permits the core to operate at the higher rate.
The high-impedance input is ideal for direct connection to high-impedance transducers or high-voltage resistive dividers.
Counting output pulses over a 4ms period results in an effective 12-bit resolution for the ADS1206 using a 1MHz input clock.
For the ADS1207 using a 4MHz input clock, the same result occurs over a 2ms period.
Both devices are designed for use in medium-resolution measurements.
They are available in an 8-lead VSSOP package.
REFIN/OUT 1kΩ Reference Voltage 2.
5V VIN x1 Modulator Buffer FOUT −2 ADS1207 Only BUF CLKOUT CLKIN Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semicon...


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