参数资料
型号: LTC2751AIUHF-16#TRPBF
厂商: Linear Technology
文件页数: 1/22页
文件大小: 0K
描述: IC DAC 16BIT CUR OUT 38-QFN
产品培训模块: LTC275x 18-Bit DAC
标准包装: 2,500
系列: SoftSpan™
设置时间: 2µs
位数: 16
数据接口: 并联
转换器数目: 1
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 38-WFQFN 裸露焊盘
供应商设备封装: 38-QFN(5x7)
包装: 带卷 (TR)
输出数目和类型: 2 电流,单极;2 电流,双极
采样率(每秒): *
配用: DC1110A-ND - BOARD DAC LTC2751-16
LTC2751
1
2751fa
C2
150pF
+
1/2 LT1469
+
1/2 LT1469
16-BIT DAC WITH SPAN SELECT
LTC2751-16
RVOS
RCOM
RIN
R2
R1
ROFS
REF
5V
REF
RFB
IOUT1
VOUT
IOUT2
GND
WR
UPD
READ
D/S
CLR
MSPAN
SPAN I/O
S2-S0
C1
15pF
VDD
2751 TA01
WR
UPD
READ
D/S
CLR
C3
0.1F
3
DATA I/O
D15-D0
16
Typical applicaTion
FeaTures
applicaTions
DescripTion
Current Output
12-/14-/16-Bit SoftSpan
DACs with Parallel I/O
The LTC2751 is a family of 12-, 14-, and 16-bit multi-
plying parallel-input, current-output DACs. They operate
from a single 2.7V to 5.5V supply. All parts are guaranteed
monotonic over temperature. The LTC2751A-16 provides
16-bitperformance(±1LSBINLandDNL)overtemperature
withoutanyadjustments.TheseSoftSpanDACsoffersix
outputranges—twounipolarandfourbipolar—thatcanbe
programmedthroughtheparallelinterface,orpinstrapped
for operation in a single range.
These parts use a bidirectional input/output parallel in-
terface that allows readback of any on-chip register. A
power-oncircuitresetstheDACoutputto0Vwhenpoweris
initiallyapplied.AlogiclowontheCLRpinasynchronously
clears the DAC to 0V in any output range.
The parts are specified over commercial and industrial
temperature ranges.
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
16-Bit DAC with Software Selectable Ranges
n
Six Programmable Output Ranges
Unipolar: 0V to 5V, 0V to 10V
Bipolar: ±5V, ±10V, ±2.5V, –2.5V to 7.5V
n
Maximum 16-Bit INL Error: ±1 LSB over Temperature
n
Low 1A (Maximum) Supply Current
n
Guaranteed Monotonic over Temperature
n
Low Glitch Impulse 1nV s
n
2.7V to 5.5V Single Supply Operation
n
2s Settling Time to ±1 LSB
n
Reference Input: ±15V
n
Parallel Interface with Readback of All Registers
n
Asynchronous CLR Pin Clears DAC Output to 0V in
Any Output Range
n
Power-On Reset to 0V
n
38-Pin 5mm
× 7mm QFN Package
n
High Resolution Offset and Gain Adjustment
n
Process Control and Industrial Automation
n
Automatic Test Equipment
n
Data Acquisition Systems
LTC2751-16 Integral Nonlinearity
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
2751 TA01b
25°C
90°C
–45°C
VDD = 5V
VREF = 5V
±10V RANGE
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