LTC1451 데이터 시트보기 (PDF) - Linear Technology
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LTC1451 Datasheet PDF : 12 Pages
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LTC1451
LTC1452/LTC1453
TYPICAL PERFOR A CE CHARACTERISTICS
LTC1451
Supply Current vs Logic Input
Voltage
1.15
ALL DIGITAL INPUTS
1.05
TIED TOGETHER
0.95
0.85
0.75
0.65
0.55
0.45
0.35
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
LOGIC INPUT VOLTAGE (V)
1451/2/3 G04
LTC1451
Output Swing vs Load Resistance
4.5
4.0
FULL SCALE
3.5
RL TIED TO GND
3.0
2.5
VCC = 5V
2.0
1.5
1.0
0.5
0
10
ZERO SCALE
RL TIED TO VCC
100
1k
LOAD RESISTANCE (Ω)
10k
1451/2/3 G05
LTC1451
Pull-Down Voltage vs Output Sink
Current Capability
1000
125°C
100
25°C
10
–55°C
1
0.1
0.0001 0.001 0.01 0.1 1 10 100
OUTPUT SINK CURRENT (mA)
1451/2/3 G06
LTC1451
Offset Voltage vs Temperature
900
800
700
600
500
400
300
–55 –25 5
35 65
TEMPERATURE (°C)
95 125
1451/2/3 G07
LTC1451
Differential Nonlinearity (DNL)
0.5
0.0
–0.5
0 512 1024 1536 2048 2560 3072 3584 4095
CODE
1451/2/3 TA02
LTC1451
Integral Nonlinearity (INL)
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2 VCC = 5V
INTERNAL REFERENCE
–1.6 TA = 25°C
–2.0
0 512 1024 1536 2048 2560 3072 3584 4095
CODE
1451/2/3 G09
LTC1452
Total Harmonic Distortion + Noise
vs Frequency
–40
VCC = 5V
–50
VIN = 2VP-P
VOUT = 4VP-P
–60
–70
LTC1451
Broadband Output Noise
0.2LSB/DIV
–80
–90
–100
50 100
1k
10k
FREQUENCY (Hz)
100k
1451/2/3 G08
5ms/ DIV
CODE = FFFH
BW = 3Hz TO 1.4MHz
GAIN = 1000
1451/2/3 G10
5
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