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LTC2636HDE-HZ12#TRPBF

Description
IC DAC 12BIT OCTAL VOUT 14-DFN
Categorysemiconductor    Analog mixed-signal IC   
File Size384KB,24 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC2636HDE-HZ12#TRPBF Overview

IC DAC 12BIT OCTAL VOUT 14-DFN

LTC2636HDE-HZ12#TRPBF Parametric

Parameter NameAttribute value
Number of digits12
Number of digital-to-analog converters8
Setup time4.8µs (standard)
Output typeVoltage - Buffered
Differential outputnone
Data interfaceSPI
Reference typeoutside, inside
Voltage - Power, Analog5V
Voltage - Power, Digital5V
INL/DNL(LSB)±1, ±1 (maximum)
Architecture-
Operating temperature-40°C ~ 125°C
Package/casing14-WFDFN Exposed Pad
Supplier device packaging14-DFN(4x3)
FEATURES
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LTC2636
Octal 12-/10-/8-Bit SPI V
OUT
DACs with10ppm/°C Reference
DESCRIPTION
The
LTC
®
2636
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 LTC2636-L has a full-scale
output of 2.5V, and operates from a single 2.7V to 5.5V
supply. The LTC2636-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 an SPI/MICROWIRE-com-
patible 3-wire serial interface which operates at clock
rates up to 50MHz. Hardware clear (CLR) and asynchro-
nous DAC update (LDAC) pins are available in the MSOP
package. The LTC2636 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.
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Integrated Precision Reference
2.5V Full-Scale 10ppm/°C (LTC2636-L)
4.096V Full-Scale 10ppm/°C (LTC2636-H)
Maximum INL Error: 2.5LSB (LTC2636-12)
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 (LTC2636-L)
Ultralow Crosstalk Between DACs (<2.4nV•s)
Low Power: 0.9mA at 3V (LTC2636-L)
Power-On-Reset to Zero-Scale/Mid-Scale
Double-Buffered Data Latches
Tiny 14-Lead 4mm × 3mm DFN and 16-Lead MSOP
Packages
APPLICATIONS
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Mobile Communications
Process Control and Industrial Automation
Automatic Test Equipment
Portable Equipment
Automotive
Optical Networking
BLOCK DIAGRAM
INTERNAL REFERENCE
GND
REGISTER
REGISTER
REGISTER
REGISTER
SWITCH
V
REF
V
CC
V
OUTA
V
REF
REGISTER
REGISTER
REGISTER
REGISTER
V
OUTB
V
REF
REGISTER
REGISTER
REGISTER
V
OUTC
V
REF
REGISTER
REGISTER
REGISTER
V
OUTD
REGISTER
DAC D
DAC E
REGISTER
DAC C
DAC F
V
REF
V
OUTE
DAC B
DAC G
V
REF
V
OUTF
DAC A
DAC H
V
REF
V
OUTG
INL (LSB)
1
V
OUTH
REF
12-Bit Integral Nonlinearity
(LTC2636-LZ12)
2
V
CC
= 3V
INTERNAL REF
.
0
–1
–2
0
1024
CS/LD
CONTROL LOGIC
SCK
(LDAC)
32-BIT SHIFT REGISTER
( ) MSOP PACKAGE ONLY
POWER-ON RESET
2636 BD
2048
CODE
3072
4095
2636 TA01
DECODE
SDI
(CLR)
Rev D
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