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LTC1669IMS8#PBF

Description
IC DAC 10BIT R-R I2C 8-MSOP
CategoryAnalog mixed-signal IC    converter   
File Size151KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC1669IMS8#PBF Overview

IC DAC 10BIT R-R I2C 8-MSOP

LTC1669IMS8#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeMSOP
package instructionTSSOP, TSSOP8,.19
Contacts8
Manufacturer packaging codeMS8
Reach Compliance Codecompliant
ECCN codeEAR99
Maximum analog output voltage5.5 V
Minimum analog output voltage
Converter typeD/A CONVERTER
Enter bit codeBINARY
Input formatSERIAL
JESD-30 codeS-PDSO-G8
JESD-609 codee3
length3 mm
Maximum linear error (EL)0.2441%
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 codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply3/5 V
Certification statusNot Qualified
Maximum seat height1.1 mm
Nominal settling time (tstl)30 µs
Maximum slew rate0.125 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
width3 mm
FEATURES
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LTC1669
10-Bit Rail-to-Rail
Micropower DAC with
I
2
C Interface
DESCRIPTION
The LTC
®
1669 is a 10-bit voltage output DAC with true
buffered rail-to-rail output voltage capability. It operates
from a single supply with a range of 2.7V to 5.5V. The
reference for the DAC is selectable between the supply
voltage or an internal bandgap reference. Selecting the
internal bandgap reference will set the full-scale output
voltage range to 2.5V. Selecting the supply as the reference
sets the output voltage range to the supply voltage.
The part features a simple 2-wire serial interface compat-
ible with I
2
C that allows communication between many
devices. The internal data registers are double buffered to
allow for simultaneous update of several devices at once.
The DAC can be put in low current power-down mode for
use in power conscious systems.
Power-on reset ensures the DAC output is at 0V when
power is initially applied, and all internal registers are
cleared. The LTC1669 is pin-for-pin compatible with the
LTC1663.
For SMBus-compatible designs, please refer to the
LTC1663.
L,
LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
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Micropower 10-Bit DAC in SOT-23
Low Operating Current: 60μA
Ultralow Power Shutdown Mode: 12μA
2-Wire Serial Interface Compatible
with I
2
C™
Selectable Internal Reference or Ratiometric to
V
CC
Maximum DNL Error: 0.75LSB
8 User Selectable Addresses (MSOP Package)
Single 2.7V to 5.5V Operation
Buffered True Rail-to-Rail Voltage Output
Power-On Reset
1.5V V
IL
and 2.1V V
IH
for SDA and SCL
Small 5-Lead TSOT-23 and 8-Lead MSOP Packages
APPLICATIONS
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Digital Calibration
Offset/Gain Adjustment
Industrial Process Control
Automatic Test Equipment
Arbitrary Function Generators
Battery-Powered Data Conversion Products
BLOCK DIAGRAM
4 (5)
V
CC
1.25V
BANDGAP
REFERENCE
Differential Nonlinearity (DNL)
1.0
0.8
V
REF
= V
CC
= 5V
T
A
= 25°C
REFERENCE
SELECT
ERROR (LSB)
10-BIT BUFFERED V
OUT
DAC
MSOP
PACKAGE
ONLY
(6) AD0
(2) AD1
(3) AD2
2-WIRE INTERFACE
SDA
1 (1)
SCL
5 (4)
GND
2 (7)
1669 BD
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
28
156 384 512 640 768 896 1024
CODE
1669 G02
10-BIT
DAC LATCH
V
OUT
3 (8)
COMMAND
LATCH
INPUT
LATCH
NOTE: PIN NUMBERS IN PARENTHESES REFER TO THE MSOP PACKAGE
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