TLC2551
12-Bit, 400 kSPS ADC, Serial Out, TMS320 Compatible (up to 10MHz), Single Ch.
TLC2551
- Maximum Throughput . . . 175/360 KSPS
- INL/DNL: ±1 LSB Max, SINAD: 72 dB, SFDR: 85 dB, fi = 20 kHz
- SPI/DSP-Compatible Serial Interface
- Single 5-V Supply
- Rail-to-Rail Analog Input With 500 kHz BW
- Three Options Available:
- TLC2551: Single Channel Input
- TLC2552: Dual Channels With Autosweep
- TLC2555: Single Channel With Pseudo-Differential Input
- Low Power With Autopower Down
- Operating Current: 3.5 mA
Autopower Down: 8 µA
- Operating Current: 3.5 mA
- Small 8-Pin MSOP and SOIC Packages
TMS320 is a trademark of Texas Instruments.
The TLC2551, TLC2552, and TLC2555 are a family of high performance, 12-bit, low-power, miniature, CMOS analog-to-digital converters (ADC). The TLC255x family uses a 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 on FS for the TLC2551.
The TLC2551, TLC2552, and TLC2555 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 TLC255x family uses the SCLK as the conversion clock, which provides synchronous operation and a minimum conversion time of 1.5 µs using a 20 MHz SCLK.
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | 5 V, Low-Power, 12-Bit, 175/360 KSPS, Serial ADC with AutoPower Down datasheet (Rev. D) | 17 Oct 2002 | |
E-book | Best of Baker's Best: Precision Data Converters -- SAR ADCs | 21 May 2015 | ||
Application note | Determining Minimum Acquisition Times for SAR ADCs, part 2 | 17 Mar 2011 | ||
Application note | SPI-Based Data Acquisition/Monitor Using the TLC2551 Serial ADC (Rev. A) | 20 Nov 2001 |
Design & development
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5-6KINTERFACE — 5-6K Interface Evaluation Module
The interface board consists of two signal conditioning sites, two serial EVM sites, and a parallel EVM site. Regardless of the interface type, all EVMs compatible with the 5-6K Interface Board have a standard analog interface and standard power connector. Three position screw terminals J1 and J2 (...)
ANALOG-ENGINEER-CALC — Analog engineer's calculator
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
TINA-TI — SPICE-based analog simulation program
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
SOIC (D) | 8 | Ultra Librarian |
VSSOP (DGK) | 8 | Ultra Librarian |
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