參數(shù)資料
型號： DC1112A
廠商： Linear Technology
文件頁數(shù)： 1/24頁
文件大?。?/td> 0K
描述： BOARD DAC LTC2755-16
軟件下載： QuikEval System
設(shè)計資源： DC1112A Design File
DC1112A Schematic
標(biāo)準(zhǔn)包裝： 1
系列： QuikEval™, SoftSpan™
DAC 的數(shù)量： 4
位數(shù)： 16
數(shù)據(jù)接口： 并聯(lián)
設(shè)置時間： 2µs
DAC 型： 電流
工作溫度： 0°C ~ 70°C
已供物品： 板
已用 IC / 零件： LTC2755-16
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LTC2755BIUP-16#TRPBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755BIUP-16#PBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755BCUP-16#TRPBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755BCUP-16#PBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755AIUP-16#TRPBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755AIUP-16#PBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755ACUP-16#TRPBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755ACUP-16#PBF-ND - IC DAC 16BIT CUR OUT 64-QFN
LTC2755
1
2755f
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Quad Current Output
12-/14-/16-Bit SoftSpan
DACs with Parallel I/O
The LTC2755 is a family of quad 12-, 14-, and 16-bit
multiplying parallel-input, current-output DACs. These
DACs operate from a single 2.7V to 5.5V supply and are all
guaranteedmonotonicovertemperature.TheLTC2755A-16
provides 16-bit performance (±1LSB INL and DNL) over
temperature without any adjustments. These SoftSpan
DACs offer six output ranges—two unipolar and four
bipolar—that can be programmed through the parallel
interface, or pinstrapped for operation in a single range.
The LTC2755 DACs use a bidirectional input/output paral-
lel interface that allows readback of any internal register,
including the DAC output span settings. A power-on reset
circuit resets the DAC outputs to 0V when power is initially
applied. A logic low on the CLR pin asynchronously clears
the DACs to 0V in any output range.
The parts are specied over commercial and industrial
temperature ranges.
Quad 16-Bit VOUT DAC with Software-Selectable Ranges
■
Program or Pin-Strap Six Output Ranges
Unipolar: 0V to 5V, 0V to 10V
Bipolar: ±5V, ±10V, ±2.5V, –2.5V to 7.5V
■
Maximum 16-Bit INL Error: ±1 LSB over Temperature
■
Low 1μA (Maximum) Supply Current
■
Guaranteed Monotonic over Temperature
■
Low Glitch Impulse 1nVs
■
2.7V to 5.5V Single Supply Operation
■
2μs Settling Time to ±1 LSB
■
Parallel Interface with Readback of All Registers
■
Asynchronous CLR Pin Clears DAC Outputs to 0V in
Any Output Range
■
Power-On Reset to 0V
■
64-Pin 9mm × 9mm QFN Package
■
High Resolution Offset and Gain Adjustment
■
Process Control and Industrial Automation
■
Automatic Test Equipment
■
Data Acquisition Systems
LTC2755-16 Integral Nonlinearity (INL)
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S. Patents, including 7034735,
7256721.
2755 TA01
VREF2
5V
VREF1
5V
SPAN I/O
DATA I/O
–
+
–
DAC C
IOUT1C
RFBC
ROFSC
ROFSB
REFD
ROFSD
ROFSA
MSPAN
GND
RIN2
RIN1
REFC
REFA REFB
RCOM2
RCOM1
LTC2755-16
IOUT2C
IOUT1D
IOUT2A
IOUT1A
RFBA
RVOSA
RFBD
IOUT2D
RVOSD
RVOSC
VOUTC
VOUTD
VOUTA
DAC D
5V
0.1μF
+
–
DAC B
IOUT2B
RFBB
VDD
IOUT1B
RVOSB
VOUTB
–
+
–
I/O PORT
DAC A
+
–
CODE
0
–1.0
INL
(LSB)
–0.8
–0.4
–0.2
0.0
1.0
0.4
16384
32768
–0.6
0.6
0.8
0.2
49152
65535
2755 TA01b
25°C
90°C
–45°C
VDD = 5V
VREF = 5V
±10V RANGE
SINGLE
DUAL
QUAD
Part Number
LTC2751
LTC2753
LTC2755
SoftSpan Parallel IOUT DAC Selector Guide
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