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LTC2631ITS8-HM10#PBF

Description
LTC2631 - Single 12-/10-/8-Bit I2C VOUT DACs with 10ppm/°C Reference; Package: SOT; Pins: 8; Temperature Range: -40°C to 85°C
CategoryAnalog mixed-signal IC    converter   
File Size345KB,28 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC2631ITS8-HM10#PBF Overview

LTC2631 - Single 12-/10-/8-Bit I2C VOUT DACs with 10ppm/°C Reference; Package: SOT; Pins: 8; Temperature Range: -40°C to 85°C

LTC2631ITS8-HM10#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeSOT
package instructionVSSOP, TSSOP8,.1
Contacts8
Manufacturer packaging codeTS8
Reach Compliance Codecompli
Maximum analog output voltage4.096 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)0.0977%
Humidity sensitivity level1
Number of digits10
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeVSSOP
Encapsulate equivalent codeTSSOP8,.1
Package shapeRECTANGULAR
Package formSMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Maximum seat height1 mm
Nominal settling time (tstl)4.2 µs
Maximum slew rate0.27 mA
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width1.625 mm
FEATURES
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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 available
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 and LTM are registered trademarks of Linear Technology Corporation. I
2
C and
ThinSOT are trademarks of Linear Technology Corporation. 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
BLOCK DIAGRAM
CA0
I
2
C
ADDRESS
DECODE
(LTC2631-M)
V
CC
INTERNAL
REFERENCE
REF
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
–0.5
DAC
–1.0
GND
2631 TA01
0
1024
2048
CODE
3072
4095
2631 TA01b
2631fb
1
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