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LTC2635HUD-LMI12#TRPBF

Description
Quad 12-/10-/8-Bit I2C VOUT DACs with 10ppm/°C Reference
CategoryAnalog mixed-signal IC    converter   
File Size704KB,32 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

LTC2635HUD-LMI12#TRPBF Overview

Quad 12-/10-/8-Bit I2C VOUT DACs with 10ppm/°C Reference

LTC2635HUD-LMI12#TRPBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
Objectid4002715393
package instructionHVQCCN,
Contacts16
Manufacturer packaging code05-08-1691
Reach Compliance Codecompliant
ECCN codeEAR99
YTEOL8.5
Maximum analog output voltage2.5 V
Minimum analog output voltage
Converter typeD/A CONVERTER
Enter bit codeBINARY
Input formatSERIAL
JESD-30 codeS-PQCC-N16
JESD-609 codee3
length3 mm
Maximum linear error (EL)0.061%
Humidity sensitivity level1
Number of digits12
Number of functions1
Number of terminals16
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height0.8 mm
Nominal settling time (tstl)4.4 µs
Nominal supply voltage3 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMATTE TIN
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature30
width3 mm
LTC2635
Quad 12-/10-/8-Bit I
2
C V
OUT
DACs with 10ppm/°C Reference
FEATURES
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DESCRIPTION
The
LTC
®
2635
is a family of quad 12-, 10-, and 8-bit
voltage-output DACs with an integrated, high-accuracy,
low-drift reference in a 16-pin QFN or a 10-lead MSOP
package. It has rail-to-rail output buffers and is guaran-
teed monotonic. The LTC2635-L has a full-scale output
of 2.5V, and operates from a single 2.7V to 5.5V supply.
The LTC2635-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 a 2-wire I
2
C-compatible
serial interface. The LTC2635 operates in both the stan-
dard mode (clock rate of 100kHz) and the fast mode (clock
rate of 400kHz). The LTC2635 incorporates a power-on
reset circuit. Options are available for reset to zero-scale,
reset to mid-scale in internal reference mode, reset to
mid-scale in external reference mode, or reset with all
DAC outputs in a high-impedance state 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 (LTC2635-L)
4.096V Full-Scale 10ppm/°C (LTC2635-H)
Maximum INL Error: ±2.5 LSB (LTC2635-12)
Power-On-Reset to Zero-Scale/Mid-Scale/Hi-Z
Low Noise: 0.75mV
P-P
0.1Hz to 200kHz
Guaranteed Monotonic Over –40°C to 125°C
Automotive Temperature Range
Selectable Internal or External Reference
2.7V to 5.5V Supply Range (LTC2635-L)
Ultralow Crosstalk Between DACs (3nV•s)
Low Power: 0.6mA at 3V
Double-Buffered Data Latches
Small 16-Pin 3mm × 3mm QFN and 10-Lead MSOP
Packages
APPLICATIONS
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Mobile Communications
Process Control and Industrial Automation
Power Supply Margining
Portable Equipment
Automotive
BLOCK DIAGRAM
GND
INTERNAL
REFERENCE
SWITCH
V
REF
(REFLO)
REGISTER
REGISTER
REGISTER
V
OUTA
REGISTER
V
CC
V
OUTD
REF
Integral Nonlinerity
2
V
CC
= 3V
INTERNAL REF
.
1
INL (LSB)
DAC A
DAC D
V
REF
REGISTER
REGISTER
REGISTER
V
OUTB
REGISTER
DAC B
DAC C
V
REF
V
OUTC
0
–1
(LDAC)
DECODE
CA0
(CA1)
(CA2)
I
2
C
ADDRESS
DECODE
POWER-ON
RESET
SCL
–2
0
1024
2048
CODE
3072
4095
2635 TA01
I
2
C INTERFACE
SDA
( ) QFN PACKAGE ONLY
2635 BD
Rev D
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