LTC2704CGW-16 Linear Technology, LTC2704CGW-16 Datasheet

LTC2704CGW-16

Manufacturer Part Number

LTC2704CGW-16

Description

IC,D/A CONVERTER,QUAD,16-BIT,CMOS,SOP,44PIN

Manufacturer

Linear Technology

Datasheets

1.LTC2704-14.pdf (20 pages)

2.LTC2704IGW-16.pdf (20 pages)

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LTC2704CGW-16#PBF

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FEATURES

SI PLIFIED

APPLICATIO S

AGNDB

AGNDA

■

VOSB

OUTB

VOSA

OUTA

RFBB

RFBA

C1B

C1A

Six Programmable Output Ranges:

Unipolar: 0V to 5V, 0V to 10V

Bipolar: ±5V, ±10V, ±2.5V, –2.5V to 7.5V

Serial Readback of All On-Chip Registers

1LSB INL and DNL Over the Industrial

Temperature Range (LTC2704-14/LTC2704-12)

Force/Sense Outputs Enable Remote Sensing

Glitch Impulse: < 2nV-sec

Outputs Drive ±5mA

Pin Compatible 12-, 14- and 16-Bit Parts

Power-On and Clear to Zero Volts

44-Lead SSOP Package

Process Control and Industrial Automation

Direct Digital Waveform Generation

Software Controlled Gain Adjustment

Automated Test Equipment

AGND

GND

DAC B

DAC A

BLOCK DIAGRA

REFM1 REFG1 REF1

CS/LD

SCK

–1

SDI

CLR

REF2

LDAC

REFG2

–1

RFLAG

REFM2

SRO

1,8,15,22,31,36

DAC C

DAC D

–

DESCRIPTIO

The LTC

put, 12-, 14- or 16-bit, voltage output SoftSpan™ DACs

that operate from 3V to 5V logic and ±5V to ±15V analog

supplies. SoftSpan offers six output spans—two unipolar

and four bipolar—fully programmable through the 3-wire

SPI serial interface. INL is accurate to 1LSB (2LSB for the

LTC2704-16). DNL is accurate to 1LSB for all versions.

Readback commands allow verification of any on-chip

commands produce a “rolling readback” response from

the LTC2704, dramatically reducing the needed number of

instruction cycles.

A Sleep command allows any combination of DACs to be

powered down. There is also a reset flag and an offset

adjustment pin for each channel.

SoftSpan is a trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

2704 BD

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

VOSC

C1C

RFBC

OUTC

AGNDC

VOSD

C1D

RFBD

OUTD

AGNDD

Voltage Output SoftSpan

2704-16/LTC2704-14/LTC2704-12 are serial in-

Quad 12-, 14- and 16-Bit

DACs with Readback

–1.0

–0.2

–0.4

–0.6

–0.8

1.0

0.8

0.6

0.4

0.2

V + /V

±10V RANGE

ALL 4 DACS

SUPERIMPOSED

REF

Integral Nonlinearity (INL)

–

= 5V

= ±15V

16384

LTC2704-16

32768

CODE

LTC2704

49152

2704 TA01b

65535

2704f

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