LTC2637-HMI10 LINER [Linear Technology], LTC2637-HMI10 Datasheet

LTC2637-HMI10

Manufacturer Part Number

LTC2637-HMI10

Description

Manufacturer

LINER [Linear Technology]

Datasheet

1.LTC2637-HMI10.pdf (28 pages)

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Download datasheet (432Kb)

FEATURES

APPLICATIONS

BLOCK DIAGRAM

(CA1)

(CA2)

OUTD

OUTA

OUTB

OUTC

GND

Integrated Precision Reference:

Maximum INL Error: 2.5LSB (LTC2637-12)

Low Noise: 0.75mV

Guaranteed Monotonic Over –40°C to 125°C

Temperature Range

Selectable Internal or External Reference

2.7V to 5.5V Supply Range (LTC2637-L)

Ultralow Crosstalk Between DACs (<3nV•s)

Low Power: 100μA per DAC at 3V (LTC2637-L)

Power-On-Reset to Zero-Scale/Mid-Scale

Double-Buffered Data Latches

Tiny 14-Lead 4mm × 3mm DFN and 16-Lead MSOP

Packages

Mobile Communications

Process Control and Industrial Automation

Automatic Test Equipment

Portable Equipment

Automotive

Optical Networking

CAO

2.5V Full-Scale 10ppm/°C (LTC2637-L)

4.096V Full-Scale 10ppm/°C (LTC2637-H)

REF

ADDRESS

DECODE

DAC A

DAC B

DAC C

DAC D

P-P

0.1Hz to 200KHz

INTERNAL REFERENCE

( ) MSOP PACKAGE ONLY

C INTERFACE

DECODE

DACs with 10ppm/°C Reference

SWITCH

POWER-ON RESET

DAC H

DAC G

DAC F

DAC E

REF

Octal 12-/10-/8-Bit I

DESCRIPTION

The LTC

voltage-output DACs with an integrated, high-accuracy,

low-drift 10ppm/°C reference in 14-lead DFN and 16-lead

MSOP packages. It has a rail-to-rail output buffer and is

guaranteed monotonic. The LTC2637-L has a full-scale

output of 2.5V, and operates from a single 2.7V to 5.5V

supply. The LTC2637-H has a full-scale output of 4.096V,

and operates from a 4.5V to 5.5V supply. Each DAC can

also operate with an external reference, which sets the DAC

full-scale output to the external reference voltage.

These DACs communicate via a 2-wire I

serial interface. The LTC2637 operates in both the standard

mode (clock rate of 100kHz) and the fast mode (clock rate

of 400kHz). The LTC2637 incorporates a power-on reset

circuit. Options are available for reset to zero-scale or

reset to mid-scale in internal reference mode, or reset to

mid-scale in external reference mode after power-up.

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and

ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property

of their respective owners. Protected by U.S. Patents including 5396245, 5859606, 6891433,

6937178, 7414561.

2637 BD

REF

SCL

SDA

OUTH

OUTG

OUTF

OUTE

2637 is a family of octal 12-, 10-, and 8-bit

Integral Nonlinearity (LTC2637-LZ12)

–1

–2

INTERNAL REF .

= 3V

1024

CODE

2048

LTC2637

3072

C V

C-compatible

2637 TA01

4095

OUT

2637fb

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