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LTC2631AHTS8-LZ12#TRPBF

Description
Digital-to-Analog Converter - DAC 12-Bit, 1LSB INL I2C DAC (2.5V ref, Reset to Zero-Scale)
CategoryAnalog mixed-signal IC    converter   
File Size593KB,28 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

LTC2631AHTS8-LZ12#TRPBF Overview

Digital-to-Analog Converter - DAC 12-Bit, 1LSB INL I2C DAC (2.5V ref, Reset to Zero-Scale)

LTC2631AHTS8-LZ12#TRPBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerADI
package instructionVSSOP,
Contacts8
Manufacturer packaging code05-08-1637
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-G8
JESD-609 codee3
length2.9 mm
Maximum linear error (EL)0.0244%
Humidity sensitivity level1
Number of digits12
Number of functions1
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeVSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1 mm
Nominal settling time (tstl)4.1 µs
Nominal supply voltage3 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width1.625 mm
Features
n
LTC2631
Single 12-/10-/8-Bit I
2
C
V
OUT
DACs with
10ppm/°C Reference
Description
The
LTC
®
2631
is a family of 12-, 10-, and 8-bit voltage-
output DACs with an integrated, high accuracy, low-drift
reference in an 8-lead TSOT-23 package. It has a rail-to-
rail output buffer that is guaranteed monotonic.
The LTC2631-L has a full-scale output of 2.5V, and oper-
ates from a single 2.7V to 5.5V supply. The LTC2631-H
has a full-scale output of 4.096V, and operates from a
4.5V to 5.5V supply. A 10ppm/°C reference output is avail-
able at the REF pin.
Each DAC can also operate in External Reference mode,
in which a voltage supplied to the REF pin sets the full-
scale output.
The LTC2631 DACs use a 2-wire, I
2
C-compatible serial
interface. The LTC2631 operates in both the standard
mode (clock rate of 100kHz) and the fast mode (clock
rate of 400kHz).
The LTC2631 incorporates a power-on reset circuit.
Op-tions are available for reset to zero-scale or reset to
mid-scale 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
and 7414561.
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Integrated Precision Reference
2.5V Full-Scale 10ppm/°C (LTC2631-L)
4.096V Full-Scale 10ppm/°C (LTC2631-H)
Maximum INL Error: 1LSB (LTC2631A-12)
Bidirectional Reference: Input or 10ppm/°C Output
400kHz I
2
C Interface
Nine Selectable Addresses (LTC2631-Z)
Low Noise (0.7mV
P-P
, 0.1Hz to 200kHz)
Guaranteed Monotonic Over Temperature
2.7V to 5.5V Supply Range (LTC2631-L)
Low Power Operation: 180µA at 3V
Power Down to 1.8µA Maximum (C and I Grades)
Power-On Reset to Zero or Mid-Scale Options
Double-Buffered Data Latches
Guaranteed Operation from –40°C to 125°C (H-Grade)
8-Lead TSOT-23 (ThinSOT™) Package
applications
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Mobile Communications
Process Control and Industrial Automation
Automatic Test Equipment
Portable Equipment
Automotive
Optical Networking
(LTC2631-M)
V
CC
INTERNAL
REFERENCE
REF
Block Diagram
CA0
I
2
C
ADDRESS
DECODE
Integral Nonlinearity (LTC2631A-LM12)
REF_SEL
1.0
V
CC
= 3V
V
FS
= 2.5V
SWITCH
INL (LSB)
V
OUT
SCL
I
2
C
INTERFACE
SDA
CONTROL
DECODE LOGIC
0.5
RESISTOR
DIVIDER
0
DACREF
INPUT
REGISTER
DAC
REGISTER
DAC
–0.5
–1.0
GND
2631 TA01
0
1024
2048
CODE
3072
4095
2631 TA01b
2631fd
For more information
www.linear.com/LTC2631
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