TLC4545 - 16 位 200KSPS ADC，具有串行输出、自动断电和伪差动输入

TLC4545是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，TLC4545是16 位 200KSPS ADC，具有串行输出、自动断电和伪差动输入，本站介绍了TLC4545的封装应用图解、特点和优点、功能等，并给出了与TLC4545相关的TI元器件型号供参考。

TLC4545 - 16 位 200KSPS ADC，具有串行输出、自动断电和伪差动输入 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The TLC4541 and TLC4545 are a family of high performance, 16-bit, low power, miniature CMOS analog-to-digital converters (ADCs). These devices operate from a single 5-V supply. Devices are available with single, dual, or single pseudo-differential inputs. All of these devices have 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 DSP, a frame sync signal (FS) is used to indicate the start of a serial data frame on either pin 1 (CS)\ or pin 7 (FS) for the TLC4541. The TLC4545 ADC connects to the DSP via pin 1 only (CS)\.

The TLC4541 and TLC4545 are designed to operate with low power consumption. The power saving feature is further enhanced with an auto-power down mode. This product family features a high-speed serial link to modern host processors with an external SCLK up to 15 MHz. Both families use a built-in oscillator as the conversion clock, providing a 2.94 us maximum conversion time.

产品特性

200-KSPS Sampling Rate
Built-In Conversion Clock
INL: ±2.5 LSB Max, DNL: 2 to –1 LSB Max
SINAD = 84.5 dB, SFDR = 95 dB, THD = 94 dB at 15 kHz fin, 200 KSPS
SPI/DSP-Compatible Serial Interfaces With SCLK Input up to 15 MHz
Single 5-V Supply
Rail-to-Rail Analog Input With 500 kHz BW
Two Input Options Available:
- TLC4541 – Single Channel Input
- TLC4545 – Single Channel, Pseudo-differential Input
(TLC4541) Optimized DSP Interface – Requires FS Input Only
Low Power With Auto-Power Down
- Operating Current: 3.5 mA
- Auto-Power Down Current: 5 uA
Pin Compatible 12/14/16-Bit Family in 8-Pin SOIC and MSOP Packages
APPLICATIONS
- ATE System
- Industrial Process Control
- Measurement
- Motor Control

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