LTC2637IMS-LMX12#PBF datasheet, PDF

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LTC2637IMS-LMX12#PBF: DescriptionDigital-to-Analog Converter - DAC 12-Bit I2C Octal DAC (2.5V ref, Reset to Mid-Scale, Ext. Ref); CategoryAnalog mixed-signal IC converter; File Size705KB，31 Pages; ManufacturerADI; Websitehttps://www.analog.com; Environmental Compliance

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LTC2637IMS-LMX12#PBF Overview

Digital-to-Analog Converter - DAC 12-Bit I2C Octal DAC (2.5V ref, Reset to Mid-Scale, Ext. Ref)

LTC2637IMS-LMX12#PBF Parametric

Parameter Name	Attribute value
Brand Name	Analog Devices Inc
Is it lead-free?	Contains lead
Is it Rohs certified?	conform to
Maker	ADI
package instruction	TSSOP,
Contacts	16
Manufacturer packaging code	05-08-1669
Reach Compliance Code	compliant
Maximum analog output voltage	2.5 V
Minimum analog output voltage
Converter type	D/A CONVERTER
Enter bit code	BINARY
Input format	SERIAL
JESD-30 code	R-PDSO-G16
JESD-609 code	e3
length	4.039 mm
Maximum linear error (EL)	0.061%
Humidity sensitivity level	1
Number of digits	12
Number of functions	8
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Maximum seat height	1.1 mm
Nominal settling time (tstl)	4.5 µs
Nominal supply voltage	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3 mm

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FEATURES

Integrated Precision Reference:

2.5V Full-Scale 10ppm/°C (LTC2637-L)

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

Maximum INL Error: 2.5LSB (LTC2637-12)

Low Noise: 0.75mV

P-P

0.1Hz to 200kHz

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

LTC2637

Octal 12-/10-/8-Bit I

C V

OUT

DACs with 10ppm/°C Reference

DESCRIPTION

The

LTC

2637

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

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

C-compatible

serial interface. The LTC2637 operates in both the stan-

dard 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.

All registered trademarks and trademarks are the property of their respective owners. Protected

by U.S. patents, including 5396245, 5859606, 6891433, 6937178, 7414561.

APPLICATIONS

BLOCK DIAGRAM

INTERNAL REFERENCE

GND

SWITCH

REF

OUTA

REF

OUTB

REF

OUTC

REF

OUTD

DAC D

DAC C

DAC F

REF

DAC E

POWER-ON RESET

ADDRESS

DECODE

C INTERFACE

2637 BD

REF

Integral Nonlinearity (LTC2637-LZ12)

= 3V

INTERNAL REF

DAC A

DAC H

REF

OUTH

INL (LSB)

DAC B

DAC G

REF

OUTG

–1

OUTF

–2

1024

2048

CODE

3072

4095

2637 TA01

OUTE

CAO

(CA1)

(CA2)

DECODE

SCL

SDA

( ) MSOP PACKAGE ONLY

Rev D

Document Feedback

For more information

www.analog.com

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