TLC2558CDW Datasheet

Analog to Digital Converters - ADC


The TLC2558CDW is a family of high-performance, 12-bit low power, 1.6 µs, CMOS analog-to-digital converters (ADC) which operate from a single 5 V power supply. These devices have three digital inputs and a 3-state output [chip select (CS), serial input-output clock (SCLK), serial data input (SDI), and serial data output (SDO)] that provide a direct 4-wire interface to the serial port of most popular host microprocessors (SPI interface). When interfaced with a DSP, a frame sync (FS) signal is used to indicate the start of a serial data frame. TLC2558CDW Features • Maximum Throughput 400 KSPS• Built-In Reference and 8× FIFO• Differential/Integral Nonlinearity Error: ±1 LSB• Signal-to-Noise and Distortion Ratio:69 dB, fi = 12 kHz• Spurious Free Dynamic Range: 75 dB,fi= 12 kHz• SPI/DSP-Compatible Serial Interfaces With SCLK up to 20 MHz• Single Supply 5 Vdc TLC2558CDW Application • Analog Input Range 0 V to Supply Voltage With 500 kHz BW• Hardware Controlled and Programmable Sampling Period• Low Operating Current (4 mA at 5.5 V External Ref, 6 mA at 5.5 V, Internal Ref)• Power Down: Software/Hardware Power-Down Mode (1 µA Max, Ext Ref),Auto Power-Down Mode (1 µA, Ext Ref)• Programmable Auto-Channel Sweep


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