LTC2751AIUHF-16-PBF datasheet(10/20 Pages) LINER

Part #	LTC2751AIUHF-16-PBF

Description	Current Output 12-/14-/16-Bit SoftSpanTM DACs with Parallel I/O

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC2751

10

2751f

PIN FUNCTIONS

S1 (Pin 33): Span I/O Bit 1. Pins S0, S1 and S2 are used to

program and to read back the output range of the DAC.

RVOS (Pin 34): DAC Offset Adjust. Nominal input range is

±5V. If not used, RVOS should be shorted to IOUT2.

IOUT1 (Pin 35): DAC current output; normally tied to the

negative input of the I/V converter ampliﬁer.

RFB (Pin 36): DAC Feedback Resistor; normally tied to

the output of the I/V converter ampliﬁer. The DAC output

current from IOUT1 ﬂows through the feedback resistor

to the RFB pin.

ROFS (Pin 37): Bipolar Offset Network. This pin provides

the translation of the output voltage range for bipolar

spans. Accepts up to ±15V; normally tied to the positive

reference voltage at RIN (Pin 2).

REF (Pin 38): Feedback Resistor for the Reference Inverting

Ampliﬁer, and Reference Input for the DAC. Normally tied

to the output of the reference inverting ampliﬁer. Typically

–5V. Accepts up to ±15V.

Exposed Pad (Pin 39): Ground. The Exposed Pad must

be soldered to the PCB.

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