器件名称:
TLV1548MJ
功能描述:
LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS
文件大小:
577.56KB 共37页
简 介:
TLV1544C, TLV1544I, TLV1548C, TLV1548I, TLV1548M LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS SLAS139C – DECEMBER 1996 – REVISED JANUARY 1999 D D D D D D D D D D D D D Conversion Time ≤ 10 s 10-Bit-Resolution ADC Programmable Power-Down Mode . . . 1 A Wide Range Single-Supply Operation of 2.7 V dc to 5.5 V dc Analog Input Range of 0 V to VCC Built-in Analog Multiplexer with 8 Analog Input Channels TMS320 DSP and Microprocessor SPI and QSPI Compatible Serial Interfaces End-of-Conversion (EOC) Flag Inherent Sample-and-Hold Function Built-In Self-Test Modes Programmable Power and Conversion Rate Asynchronous Start of Conversion for Extended Sampling Hardware I/O Clock Phase Adjust Input D OR PW PACKAGE (TOP VIEW) DATA OUT DATA IN I/O CLK EOC VCC A0 A1 A2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 CS REF+ REF– FS INV CLK GND CSTART A3 DB OR J PACKAGE (TOP VIEW) description The TLV1544 and TLV1548 are CMOS 10-bit switched-capacitor successive-approximation (SAR) analog-to-digital (A/D) converters. Each device has a chip select (CS), input-output clock (I/O CLK), data input (DATA IN) and serial data output (DATA OUT) that provide a direct 4-wire synchronous serial peripheral interface (SPI, QSPI) port of a host microprocessor. When interfacing with a TMS320 DSP, an additional frame sync signal (FS) indicates the start of a serial data frame. The devices allow high-speed data transfers from the host. The INV CLK input provides furthe……
