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LTC2631AITS8-LM12#PBF

Description
DAC 1-CH 12-bit 8-Pin TSOT-23 T/R
File Size560KB,28 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC2631AITS8-LM12#PBF Overview

DAC 1-CH 12-bit 8-Pin TSOT-23 T/R

LTC2631AITS8-LM12#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)0
Part StatusUnconfirmed
HTS8542.39.00.01
Converter TypeGeneral Purpose
Resolution12bit
Number of DAC Channels1
Number of Outputs per Chip1
Maximum Settling Time (us)4.1(Typ)
Digital Interface TypeSerial (2-Wire, I2C)
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
Integral Nonlinearity Error±1LSB
Full Scale Error±0.4%FSR
Digital Supply SupportNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
PackagingTape and Reel
Supplier Temperature GradeIndustrial
Pin Count8
Standard Package NameSOT-23
Supplier PackageTSOT-23
MountingSurface Mount
Package Height0.9(Max)
Package Length2.9
Package Width1.75(Max)
PCB changed8
Lead ShapeGull-wing
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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