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LTC2640ITS8-LZ10#TRPBF

Description
IC DAC 10BIT VOUT W/REF TSOT23-8
CategoryAnalog mixed-signal IC    converter   
File Size514KB,24 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC2640ITS8-LZ10#TRPBF Overview

IC DAC 10BIT VOUT W/REF TSOT23-8

LTC2640ITS8-LZ10#TRPBF 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 Codecompliant
ECCN codeEAR99
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)0.0977%
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 supply3/5 V
Certification statusNot Qualified
Maximum seat height1 mm
Nominal settling time (tstl)3.8 µs
Maximum slew rate0.26 mA
Nominal supply voltage3 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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LTC2640
Single 12-/10-/8-Bit SPI
V
OUT
DACs with
10ppm/°C Reference
DESCRIPTION
The
LTC
®
2640
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 LTC2640-L has a full-scale output of 2.5V, and operates
from a single 2.7V to 5.5V supply. The LTC2640-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 LTC2640 DACs use a SPI/MICROWIRE™ compatible
3-wire serial interface which operates at clock rates up
to 50MHz.
The LTC2640 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 (LTC2640-L)
4.096V Full-Scale 10ppm/°C (LTC2640-H)
Maximum INL Error: 1LSB (LTC2640A-12)
Bidirectional Reference: Input or 10ppm/°C Output
Low Noise (0.7mVpp, 0.1Hz to 200kHz)
Guaranteed Monotonic Over Temperature
2.7V to 5.5V Supply Range (LTC2640-L)
Low Power Operation: 180µA at 3V
Power Down to 1.8µA Maximum (C and I Grades)
Asynchronous DAC Clear Pin (LTC2640-Z)
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
(LTC2640-Z)
REF
INTERNAL
REFERENCE
SWITCH
BLOCK DIAGRAM
V
CC
Integral Nonlinearity (LTC2640A-LZ12)
1.0
V
CC
= 3V
V
FS
= 2.5V
SDI
0.5
INL (LSB)
V
OUT
–1.0
CLR
GND
2640 TA01
SCK
24-BIT
SHIFT
REGISTER
CONTROL
DECODE LOGIC
RESISTOR
DIVIDER
0
DACREF
CS/LD
INPUT
REGISTER
DAC
REGISTER
DAC
–0.5
0
1024
2048
CODE
3072
4095
2640 TA01b
2640fd
For more information
www.linear.com/LTC2640
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