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Back to December 1998 Integration

High-speed serial ADC

The industry's fastest 10-bit serial ADC simplifies design with a glueless interface to TMS320 DSPs and industry-standard microcontrollers. The eight-channel TLV1570 ADC provides high performance and design flexibility, accepting analog inputs from 0 to 5.5 V and digitizing 1.25 million samples per second (MSPS) at 5 V and 625 kSPS at 3 V.

With single-supply operation from 2.7 V to 5.5 V, the TLV1570 features a programmable internal voltage reference of 2.3 V or 3.8 V. An internal MUX is independently accessible, allowing the use of a signal conditioning circuit for all eight channels. Programmable auto-scanning allows selection of channel access. Power dissipation as low as 8 mW, plus 175-ľA auto-power-down and 3-ľA software power-down modes, help extend battery charges life.

Typical Integral Non-Linearity (INL) of +/-0.65 LSB ensures accuracy for the most demanding applications. The TLV1570 can benefit process control, motor control, various automotive systems, digital servos, portable test instruments, mass storage and image sensor processing applications.

The TLV1570 is available in 20-pin SOIC and TSSOP packages with suggested resale pricing of $3.70 (U.S. dollars) per unit in quantities of 1,000.

TLV1570 features Fast throughput: 1.25 MSPS at 5 V, 625 kSPS at 3 V Eight analog input channels Low power dissipation: 40 mW at 5 V, 8 mW at 3 V Wide analog channel input: OV to AVDD Porgrammable internal reference voltage

For complete information, order: Data Sheet (SLAS169A). See Related Product Information.