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LTC1454CS 数据表(PDF) 4 Page - Linear Technology

部件名 LTC1454CS
功能描述  Dual 12-Bit Rail-to-Rail Micropower DACs
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1454CS 数据表(HTML) 4 Page - Linear Technology

  LTC1454CS Datasheet HTML 1Page - Linear Technology LTC1454CS Datasheet HTML 2Page - Linear Technology LTC1454CS Datasheet HTML 3Page - Linear Technology LTC1454CS Datasheet HTML 4Page - Linear Technology LTC1454CS Datasheet HTML 5Page - Linear Technology LTC1454CS Datasheet HTML 6Page - Linear Technology LTC1454CS Datasheet HTML 7Page - Linear Technology LTC1454CS Datasheet HTML 8Page - Linear Technology LTC1454CS Datasheet HTML 9Page - Linear Technology Next Button
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LTC1454/LTC1454L
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Supply Headroom for
Full Output Swing vs Load Current
LTC1454 Output Swing vs
Load Resistance
CODE
0
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
1024
2048 2560
1454 G08
512
1536
3072 3584 4095
CODE
0
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0
1024
2048 2560
1454 G07
512
1536
3072 3584 4095
LOAD CURRENT (mA)
1.0
0.8
0.6
0.4
0.2
0
1454 G03
0
∆VOUT < 1LSB
REFLO = GND
X1/X2 = GND
CODE: ALL 1's
VOUT = 4.095V
5
10
15
20
25
30
LTC1454 Minimum Output
Voltage vs Output Sink Current
LTC1454 Output Swing vs
Load Resistance
OUTPUT SINK CURRENT (mA)
1000
900
800
700
600
500
400
300
200
100
0.1
1454 G04
0
125
°C
REFLO = GND
X1/X2 = GND
–55
°C
25
°C
5
10
15
20
25
30
LOAD RESISTANCE (
Ω)
10
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
100
1k
10k
1454 G05
RL
REFLO = GND
X1/X2 = GND
LOAD RESISTANCE (
Ω)
10
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
100
1k
10k
1458 G06
REFLO = GND
X1/X2 = GND
RL
VCC
LTC1454 Full-Scale Voltage vs
Temperature
TEMPERATURE (
°C)
–55
–25
5
1454 G02
95
125
4.110
4.105
4.100
4.095
4.090
4.085
4.080
35
65
TEMPERATURE (
°C)
–55
–25
5
1454 G01
95
125
760
750
740
730
720
710
700
690
35
65
VCC = 5.5V
VCC = 5V
VCC = 4.5V
LTC1454
Supply Current vs Temperature
LOGIC INPUT VOLTAGE (V)
0
2.6
2.1
1.6
1.1
0.6
1.0
2.0 2.5
4.5 5.0
1454 G09
0.5
1.5
3.0 3.5 4.0
LTC1454 Supply Current vs
Logic Input Voltage
LTC1454
Differential Nonlinearity
LTC1454
Integral Nonlinearity



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