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LTC2634HMSE-LMX8#PBF

Description
DAC 4-CH 8-bit Automotive 10-Pin MSOP EP Tube
File Size495KB,30 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC2634HMSE-LMX8#PBF Overview

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

LTC2634HMSE-LMX8#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Converter TypeGeneral Purpose
Resolution8bit
Number of DAC Channels4
Number of Outputs per Chip4
Maximum Settling Time (us)3.3(Typ)
Digital Interface TypeSerial (3-Wire, SPI, Microwire)
Output TypeVoltage
Output PolarityUnipolar
Voltage ReferenceInternal|External
Minimum Single Supply Voltage (V)2.7
Typical Single Supply Voltage (V)3.3|5
Maximum Single Supply Voltage (V)5.5
Power Supply TypeSingle
Maximum Power Dissipation (mW)1.8(Typ)
Integral Nonlinearity Error±0.5LSB
Full Scale Error±0.8%FSR
Digital Supply SupportNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)125
PackagingTube
Supplier Temperature GradeAutomotive
Pin Count10
Standard Package NameSOP
Supplier PackageMSOP EP
MountingSurface Mount
Package Height0.86
Package Length3
Package Width3
PCB changed10
Lead ShapeGull-wing
LTC2634
Quad 12-/10-/8-Bit
Rail-to-Rail DACs with
10ppm/°C Reference
FEATURES
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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.
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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
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Mobile Communications
Process Control and Industrial Automation
Automatic Test Equipment
Portable Equipment
Automotive
BLOCK DIAGRAM
GND
INTERNAL
REFERENCE
SWITCH
V
REF
(REFLO)
REGISTER
REGISTER
REGISTER
V
OUTA
REGISTER
V
CC
2
DAC D
V
OUTD
1
INL (LSB)
REF
Integral Nonlinearity
(LTC2634-LZ12)
V
CC
= 3V
INTERNAL REF
DAC A
V
REF
REGISTER
REGISTER
REGISTER
V
OUTB
REGISTER
DAC B
DAC C
V
REF
V
OUTC
0
CS/LD
CONTROL
LOGIC
DECODE
SDI
–1
–2
SCK
(LDAC)
( ) QFN PACKAGE ONLY
32-BIT SHIFT REGISTER
POWER-ON
RESET
(CLR)
(SDO)
2634 BD
0
1024
2048
CODE
3072
4095
2634 TA01
Rev D
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