Datasheet 搜索 > DA转换器 > Linear Technology（凌力尔特） > LTC1655LCS8#TR 数据手册 > LTC1655LCS8#TR 产品封装文件 1/17 页
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LTC1655LCS8#TR 产品封装文件 - Linear Technology（凌力尔特）
制造商:
Linear Technology（凌力尔特）
分类:
DA转换器
封装:
SO-8
描述:
数模转换器- DAC LTC1655 - 16-Bit Rail-to-Rail Micropower DACs in SO-8 Package
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LTC1655LCS8#TR数据手册
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1
LTC1655/LTC1655L
16-Bit Rail-to-Rail
Micropower DACs in
SO-8 Package
■
16-Bit Monotonicity Over Temperature
■
Deglitched Rail-to-Rail Voltage Output
■
SO-8 Package
■
I
CC(TYP)
: 600µA
■
Internal Reference: 2.048V (LTC1655)
1.25V (LTC1655L)
■
Maximum DNL Error: ±1LSB
■
Settling Time: 20µS to ±1LSB
■
750kHz Max Update Rate
■
Power-On Reset to Zero Volts
■
3-Wire Cascadable Serial Interface
■
Low Cost
■
Pin Compatible Upgrade for LTC1451 12-Bit DAC
Family
The LTC
®
1655/LTC1655L are rail-to-rail voltage output,
16-bit digital-to-analog converters in an SO-8 package.
They include an output buffer and a reference. The 3-wire
serial interface is compatible with SPI/QSPI and
MICROWIRE
TM
protocols. The CLK input has a Schmitt
trigger that allows direct optocoupler interface.
The LTC1655 has an onboard 2.048V reference that can be
overdriven to a higher voltage. The output swings from 0V
to 4.096V when using the internal reference. The typical
power dissipation is 3.0mW on a single 5V supply.
The LTC1655L has an onboard 1.25V reference that can be
overdriven to a higher voltage. The output swings from 0V
to 2.5V when using the internal reference. The typical
power dissipation is 1.8mW on a single 3V supply.
The LTC1655/LTC1655L are pin compatible with Linear
Technology’s 12-bit V
OUT
DAC family, allowing an easy
upgrade path. They are the only buffered 16-bit DACs in
an SO-8 package and they include an onboard reference
for standalone performance.
■
Digital Calibration
■
Industrial Process Control
■
Automatic Test Equipment
■
Cellular Telephones
, LTC and LT are registered trademarks of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
–
+
16-BIT
DAC
LTC1655: 4.5V TO 5.5V
LTC1655L: 2.7V TO 5.5V
LTC1655: 2.048V
LTC1655L: 1.25V
GND
POWER-ON
RESET
TO
OTHER
DACS
16-BIT
SHIFT
REG
AND
DAC
LATCH
µP
D
IN
V
CC
16
REF
2
86
D
OUT
4
5
1655/55L TA01
CLK1
CS/LD3
7
V
OUT
REF
Functional Block Diagram: 16-Bit Rail-to-Rail DAC
Differential Nonlinearity
vs Input Code
CODE
0
–1.0
–0.2
–0.4
–0.6
–0.8
0
0.2
0.4
0.6
0.8
1.0
DNL ERROR (LSB)
16384 32768
1655/55L TA02
49152
65535
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
FU CTIO AL BLOCK DIAGRA
UU
W
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