TLV2542 - 12 位 200kSPS ADC，具有串行输出、TMS320 兼容（最高 10MHz）、双通道和自动扫略

TLV2542是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，TLV2542是12 位 200kSPS ADC，具有串行输出、TMS320 兼容（最高 10MHz）、双通道和自动扫略，本站介绍了TLV2542的封装应用图解、特点和优点、功能等，并给出了与TLV2542相关的TI元器件型号供参考。

TLV2542 - 12 位 200kSPS ADC，具有串行输出、TMS320 兼容（最高 10MHz）、双通道和自动扫略 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The TLV2541, TLV2542, and TLV2545 are a family of high performance, 12-bit, low power, miniature, CMOS analog-to-digital converters (ADC). The TLV254x family operates from a single 2.7-V to 5.5-V supply. Devices are available with single, dual, or single pseudo-differential inputs. Each device has a chip select (CS), serial clock (SCLK), and serial data output (SDO) that provides a direct 3-wire interface to the serial port of most popular host microprocessors (SPI interface). When interfaced with a TMS320™ DSP, a frame sync signal (FS) can be used to indicate the start of a serial data frame on CS for all devices or FS for the TLV2541.

TLV2541, TLV2542, and TLV2545 are designed to operate with very low power consumption. The power saving feature is further enhanced with an autopower-down mode. This product family features a high-speed serial link to modern host processors with SCLK up to 20 MHz. The maximum SCLK frequency is dependent upon the mode of operation (see Table 1). The TLV254x family uses the built-in oscillator as the conversion clock, providing a 3.5-µs conversion time.

产品特性

Maximum Throughput . . . 140/200 KSPS
Built-In Conversion Clock
INL/DNL: ±1 LSB Max, SINAD: 72 dB, SFDR: 85 dB, fi = 20 kHz
SPI/DSP-Compatible Serial Interface
Single Supply: 2.7 Vdc to 5.5 Vdc
Rail-to-Rail Analog Input With 500 kHz BW
Three Options Available:
- TLV2541: Single Channel Input
- TLV2542: Dual Channels With Autosweep
- TLV2545: Single Channel With Pseudo-Differential Input
Low Power With Autopower Down
- Operating Current: 1 mA at 2.7 V, 1.5 mA at 5 V Autopower Down: 2 µA at 2.7 V, 5 µA at 5 V
Small 8-Pin MSOP and SOIC Packages

TMS320 is a trademark of Texas Instruments.

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