LTC2634IMSE-HZ8#PBF datasheet, PDF

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LTC2634IMSE-HZ8#PBF: DescriptionDAC 4-CH 8-bit 10-Pin MSOP EP Tube; File Size495KB，30 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LTC2634IMSE-HZ8#PBF Overview

DAC 4-CH 8-bit 10-Pin MSOP EP Tube

LTC2634IMSE-HZ8#PBF Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Converter Type	General Purpose
Resolution	8bit
Number of DAC Channels	4
Number of Outputs per Chip	4
Maximum Settling Time (us)	3.8(Typ)
Digital Interface Type	Serial (3-Wire, SPI, Microwire)
Output Type	Voltage
Output Polarity	Unipolar
Voltage Reference	Internal\|External
Minimum Single Supply Voltage (V)	4.5
Typical Single Supply Voltage (V)	5
Maximum Single Supply Voltage (V)	5.5
Power Supply Type	Single
Maximum Power Dissipation (mW)	1.8(Typ)
Integral Nonlinearity Error	±0.5LSB
Full Scale Error	±0.8%FSR
Digital Supply Support	No
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Packaging	Tube
Supplier Temperature Grade	Industrial
Pin Count	10
Standard Package Name	SOP
Supplier Package	MSOP EP
Mounting	Surface Mount
Package Height	0.86
Package Length	3
Package Width	3
PCB changed	10
Lead Shape	Gull-wing

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LTC2634

Quad 12-/10-/8-Bit

Rail-to-Rail DACs with

10ppm/°C Reference

FEATURES

DESCRIPTION

The

LTC

2634

is a family of quad 12-, 10- and 8-bit volt-

age output DACs with an integrated, high accuracy, low

drift 10ppm/°C reference in 16-lead QFN and 10-lead

MSOP packages. It has rail-to-rail output buffers and is

guaranteed monotonic. The LTC2634-L has a full-scale

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

supply. The LTC2634-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

full-scale output to the external reference voltage.

These DACs communicate via an SPI/MICROWIRE com-

patible 3-wire serial interface which operates at clock

rates up to 50MHz. Serial data output (SDO), a hardware

clear (CLR), and an asynchronous DAC update (LDAC)

capability are available in the QFN package. The LTC2634

incorporates a power-on reset circuit. Options are avail-

able for reset to zero-scale or reset to mid-scale in internal

reference mode, or reset to mid-scale in external refer-

ence 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.

Integrated Precision Reference

2.5V Full-Scale 10ppm/°C (LTC2634-L)

4.096V Full-Scale 10ppm/°C (LTC2634-H)

Maximum INL Error: ±2.5 LSB (LTC2634-12)

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 (LTC2634-L)

Ultralow Crosstalk Between DACs (2.4nV•s)

Low Power: 0.6mA at 3V

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

Double Buffered Data Latches

Tiny 16-Lead 3mm

3mm QFN and 10-Lead

MSOP Packages

APPLICATIONS

Mobile Communications

Process Control and Industrial Automation

Automatic Test Equipment

Portable Equipment

Automotive

BLOCK DIAGRAM

GND

INTERNAL

REFERENCE

SWITCH

REF

(REFLO)

OUTA

DAC D

OUTD

INL (LSB)

REF

Integral Nonlinearity

(LTC2634-LZ12)

= 3V

INTERNAL REF

DAC A

REF

OUTB

DAC B

DAC C

REF

OUTC

CS/LD

CONTROL

LOGIC

DECODE

SDI

–1

–2

SCK

(LDAC)

( ) QFN PACKAGE ONLY

32-BIT SHIFT REGISTER

POWER-ON

RESET

(CLR)

(SDO)

2634 BD

1024

2048

CODE

3072

4095

2634 TA01

Rev D

Document Feedback

For more information

www.analog.com

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