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LTC1329CS8-50#TRPBF

Description
DAC 1-CH 8-bit 8-Pin SOIC N T/R
CategoryAnalog mixed-signal IC    converter   
File Size204KB,8 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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LTC1329CS8-50#TRPBF Overview

DAC 1-CH 8-bit 8-Pin SOIC N T/R

LTC1329CS8-50#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Converter TypeGeneral Purpose
Resolution8bit
Number of DAC Channels1
Number of Outputs per Chip1
Digital Interface TypeSerial (1-Wire, 2-Wire, 3-Wire)
Output TypeCurrent
Output PolarityUnipolar
Voltage ReferenceExternal
Minimum Single Supply Voltage (V)2.7
Typical Single Supply Voltage (V)3.3
Maximum Single Supply Voltage (V)6.5
Power Supply TypeSingle
Digital Supply SupportNo
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
PackagingTape and Reel
Pin Count8
Standard Package NameSOP
Supplier PackageSOIC N
MountingSurface Mount
Package Height1.5(Max)
Package Length5(Max)
Package Width3.99(Max)
PCB changed8
Lead ShapeGull-wing
LTC1329-10/
LTC1329-50/LTC1329A-50
Micropower 8-Bit Current
Output D/A Converter
FEATURES
s
DESCRIPTION
The LTC
®
1329-10/LTC1329-50/LTC1329A-50 are
micropower 8-bit current output D/A converters (DACs)
with an output range of 0µA to 10µA for the LTC1329-10
and 0µA to 50µA for the LTC1329-50/LTC1329A-50. The
DAC current output can be biased from – 15V to 2V or
– 15V to 2.5V in 3.3V and 5V systems, respectively. Supply
current is only 95µA for the LTC1329-50/LTC1329A-50
and 75µA for LTC1329-10. A shutdown mode drops the
supply current to 0.2µA.
The LTC1329 can communicate with external circuitry by
using one of three interface modes: standard 3-wire serial
mode and two pulse modes. Upon power-up, the internal
counter resets to 1000 0000B, the DAC output assumes
midrange and the chip is configured in 3-wire or pulse
mode depending on the signal level at CS.
In 3-wire mode, the system MPU can serially transfer 8-bit
data to and from the LTC1329. In pulse mode, the upper
six bits of the DAC output can be programmed for incre-
ment-only (1-wire interface) or increment/decrement
(2-wire interface) operation depending on the signal level
at D
IN
.
LTC1329 is available in 8-pin SO packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Triple Mode is a trademark of Linear Technology Corporation.
s
s
s
s
s
s
s
s
s
Guaranteed Precision Full-Scale DAC Output
Current at 25
°
C:
LTC1329A-50
50µA
±1%
LTC1329-10
10µA
±3%
LTC1329-50
50µA
±3%
Wide Output Voltage DC Compliance: – 15V to 2.5V
Wide Supply Range: 2.7V
V
CC
6.5V
Supply Current in Shutdown: 0.2µA
Low Supply Current: 75µA for LTC1329-10,
95µA for LTC1329-50/LTC1329A-50
Available in 8-Pin SO
Triple Mode
TM
Interface Modes
1. Standard 3-Wire Mode
2. Pulse Mode 1-Wire Interface: Increment-Only
3. Pulse Mode 2-Wire Interface: Increment/Decrement
Can Read Back the 8-Bit DAC Value in 3-Wire Mode
DAC Powers Up at Midrange
DAC Contents Are Retained in Shutdown
APPLICATIONS
s
s
s
s
s
LCD Contrast Control
Backlight Brightness Control
Battery Charger Current/Voltage Adjustment
Power Supply Voltage Adjustment
Trimmer Pot Elimination
TYPICAL APPLICATION
Digitally Controlled LCD Bias Generator
V
IN
5V
47Ω
V
IN
SW1
®
LT 1173
FB
GND
SW2
1N5818
I
LIM
L1*
100µH
1N4148
200k
0.1µF
1
2
I
OUT
V
CC
D
OUT
D
IN
8
7
MPU
(e.g., 8051)
+
47µF
+
4.7µF
10.1k
1N5818
LTC1329-50
3
4
SHDN
CLK
GND
CS
6
5
+
22µF
*GOWANDA GA10-103K OR
COILTRONICS CTX100-4
220k
V
OUT
–22V at 40mA
1329 TA01
U
U
U
P1.2
P1.1
P1.0
1

LTC1329CS8-50#TRPBF Related Products

LTC1329CS8-50#TRPBF LTC1329ACS8-50#PBF LTC1329ACS8-50#TRPBF LTC1329CS8-10#PBF LTC1329CS8-10#TRPBF LTC1329CS8-10 LTC1329CS8-50#PBF LTC1329CS8-50 LTC1329IS8-50#PBF LTC1329IS8-50#TRPBF
Description DAC 1-CH 8-bit 8-Pin SOIC N T/R DAC 1-CH 8-bit 8-Pin SOIC N Tube DAC 1-CH 8-bit 8-Pin SOIC N T/R DAC 1-CH 8-bit 8-Pin SOIC N Tube DAC 1-CH 8-bit 8-Pin SOIC N T/R DAC 1-CH 8-bit 8-Pin SOIC N DAC 1-CH 8-bit 8-Pin SOIC N Tube DAC 1-CH 8-bit 8-Pin SOIC N DAC 1-CH 8-bit 8-Pin SOIC N Tube DAC 1-CH 8-bit 8-Pin SOIC N T/R
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant Compliant Not Compliant Compliant Not Compliant Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Active Active Active Active Active Unconfirmed Active Unconfirmed Active Active
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01
Converter Type General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose
Resolution 8bit 8bit 8bit 8bit 8bit 8bit 8bit 8bit 8bit 8bit
Number of DAC Channels 1 1 1 1 1 1 1 1 1 1
Number of Outputs per Chip 1 1 1 1 1 1 1 1 1 1
Digital Interface Type Serial (1-Wire, 2-Wire, 3-Wire) Serial (1-Wire, 2-Wire, 3-Wire) Serial (1-Wire, 2-Wire, 3-Wire) Serial (1-Wire, 2-Wire, 3-Wire) Serial (1-Wire, 2-Wire, 3-Wire) Serial (1-Wire, 2-Wire, 3-Wire) Serial (1-Wire, 2-Wire, 3-Wire) Serial (1-Wire, 2-Wire, 3-Wire) Serial (1-Wire, 2-Wire, 3-Wire) Serial (1-Wire, 2-Wire, 3-Wire)
Output Type Current Current Current Current Current Current Current Current Current Current
Output Polarity Unipolar Unipolar Unipolar Unipolar Unipolar Unipolar Unipolar Unipolar Unipolar Unipolar
Voltage Reference External External External External External External External External External External
Minimum Single Supply Voltage (V) 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7
Typical Single Supply Voltage (V) 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3
Maximum Single Supply Voltage (V) 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5
Power Supply Type Single Single Single Single Single Single Single Single Single Single
Digital Supply Support No No No No No No No No No No
Maximum Operating Temperature (°C) 70 70 70 70 70 70 70 70 85 85
Pin Count 8 8 8 8 8 8 8 8 8 8
Standard Package Name SOP SOP SOP SOP SOP SOP SOP SOP SOP SOP
Supplier Package SOIC N SOIC N SOIC N SOIC N SOIC N SOIC N SOIC N SOIC N SOIC N SOIC N
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max) 1.5(Max)
Package Length 5(Max) 5(Max) 5(Max) 5(Max) 5(Max) 5(Max) 5(Max) 5(Max) 5(Max) 5(Max)
Package Width 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max) 3.99(Max)
PCB changed 8 8 8 8 8 8 8 8 8 8
Lead Shape Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing Gull-wing
Packaging Tape and Reel Tube Tape and Reel Tube Tape and Reel - Tube - Tube Tape and Reel
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