TLV2548 datasheet(5/48 Pages) TI1

Part #	TLV2548

Description	Maximum Throughput 200-KSPS Built-In Reference, Conversion Clock and 8횞 FIFO

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Manufacturer	TI1 [Texas Instruments]

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TLV2544, TLV2548

2.7V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER

SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN

SLAS198E − FEBRUARY 1999 − REVISED JUNE 2003

5

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

detailed description (continued)

Charge

Redistribution

DAC

Control

Logic

_

+

REFM

Ain

ADC Code

Figure 1. Simplified Model of the Successive-Approximation System

serial interface

INPUT DATA FORMAT

MSB

LSB

D15−D12

D11−D0

Command ID[15:12]

Configuration data field ID[11:0]

Input data is binary. All trailing blanks can be filled with zeros.

OUTPUT DATA FORMAT READ CFR/FIFO READ

MSB

LSB

D15−D12

D11−D0

Don’t care

Register content or FIFO content OD[11:0]

OUTPUT DATA FORMAT CONVERSION

MSB

LSB

D15−D4

D3−D0

Conversion result OD[11:0]

Don’t care

The output data format is binary (unipolar straight binary).

binary

Zero scale code = 000h, Vcode = VREFM

Full scale code = FFFh, Vcode = VREFP − 1 LSB

Similar Part No. - TLV2548

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Texas Instruments	TLV2548	648Kb / 39P	[Old version datasheet] 2.7 V TO 5.5 V, 12-BIT, 200 KSPS, 4/8 CHANNEL, LOW POWER, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
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