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LTC2637CMS-LZ8#PBF

Description
Digital to Analog Converters - DAC 8-Bit I2C Octal DAC (2.5V ref, Reset to Zero-Scale)
CategoryAnalog mixed-signal IC    converter   
File Size515KB,30 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

LTC2637CMS-LZ8#PBF Overview

Digital to Analog Converters - DAC 8-Bit I2C Octal DAC (2.5V ref, Reset to Zero-Scale)

LTC2637CMS-LZ8#PBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
package instructionTSSOP,
Contacts16
Manufacturer packaging code05-08-1669
Reach Compliance Codecompliant
Maximum analog output voltage2.5 V
Minimum analog output voltage
Converter typeD/A CONVERTER
Enter bit codeBINARY
Input formatSERIAL
JESD-30 codeR-PDSO-G16
JESD-609 codee3
length4.039 mm
Maximum linear error (EL)0.1953%
Humidity sensitivity level1
Number of digits8
Number of functions8
Number of terminals16
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Maximum seat height1.1 mm
Nominal settling time (tstl)3.5 µs
Nominal supply voltage3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
Base Number Matches1
Features
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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
2
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
2
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.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Analog Devices, Inc. All other trademarks are the property of their
respective owners. Protected by U.S. Patents including 5396245, 5859606, 6891433, 6937178,
7414561.
applications
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Block Diagram
INTERNAL REFERENCE
GND
SWITCH
V
REF
V
CC
REGISTER
REGISTER
REGISTER
REGISTER
V
OUTA
V
REF
REGISTER
REGISTER
REGISTER
V
OUTB
V
REF
REGISTER
REGISTER
REGISTER
V
OUTC
V
REF
V
OUTD
DAC D
REGISTER
DAC C
DAC F
V
REF
DAC E
POWER-ON RESET
I
2
C
ADDRESS
DECODE
I
2
C INTERFACE
2637 BD
REF
Integral Nonlinearity (LTC2637-LZ12)
2
V
CC
= 3V
INTERNAL REF
.
DAC A
DAC H
V
REF
V
OUTH
INL (LSB)
1
REGISTER
0
DAC B
DAC G
V
REF
V
OUTG
–1
V
OUTF
–2
0
1024
REGISTER
REGISTER
REGISTER
REGISTER
2048
CODE
3072
4095
2637 TA01
V
OUTE
CAO
(CA1)
(CA2)
DECODE
SCL
SDA
( ) MSOP PACKAGE ONLY
2637fc
For more information
www.linear.com/LTC2637
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