參數(shù)資料
型號: LTC1655L
廠商: Linear Technology Corporation
英文描述: 16-Bit Rail-to-Rail Micropower DACs in SO-8 Package(16位,微功耗滿幅度電壓輸出數(shù)模轉(zhuǎn)換器(SO-8封裝,內(nèi)部基準(zhǔn)1.25V))
中文描述: 16位軌至軌微數(shù)模轉(zhuǎn)換器采用SO - 8封裝(16位,微功耗滿幅度電壓輸出數(shù)模轉(zhuǎn)換器(以SO - 8封裝,1.25V的內(nèi)部基準(zhǔn)))
文件頁數(shù): 1/16頁
文件大?。?/td> 175K
代理商: LTC1655L
1
LTC1655/LTC1655L
16-Bit Rail-to-Rail
Micropower DACs in
SO-8 Package
DESCRIPTIO
U
I
16-Bit Monotonicity Over Temperature
I
Deglitched Rail-to-Rail Voltage Output
I
SO-8 Package
I
I
CC(TYP)
: 600
μ
A
I
Internal Reference:2.048V (LTC1655)
1.25V (LTC1655L)
I
Maximum DNL Error:
±
1LSB
I
Settling Time: 20
μ
S to
±
1LSB
I
750kHz Max Update Rate
I
Power-On Reset to Zero Volts
I
3-Wire Cascadable Serial Interface
I
Low Cost
I
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.
I
Digital Calibration
I
Industrial Process Control
I
Automatic Test Equipment
I
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
μ
P
D
IN
V
CC
16
REF
2
8
6
D
OUT
4
5
1655/55L TA01
CLK
1
CS/LD
3
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
D
16384
32768
1655/55L TA02
49152
65535
APPLICATIOU
FEATURES
FU
W
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