1400 データシートの表示（PDF） - Linear Technology
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1400 Datasheet PDF : 20 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC1400
Differential Nonlinearity vs
Output Code
1.00
fSAMPLE = 400kHz
0.75
0.50
0.25
0
– 0.25
–0.50
–0.75
–1.00
0
512 1024 1536 2048 2560 3072 3584 4096
OUTPUT CODE
1400 TPC01
Signal-to-Noise Ratio (Without
Harmonics) vs Input Frequency
80
70
60
50
40
30
20
10
fSAMPLE = 400kHz
0
10
100
INPUT FREQUENCY (kHz)
1000
1400 TPC07
Reference Voltage vs
Load Current
2.435
2,430
2.425
2.420
2.415
2.410
2.405
2.400
2.395
2.390
–8 –7 –6 –5 –4 –3 –2 –1 0 1 2
LOAD CURRENT (mA)
1400 TPC03
Integral Nonlinearity vs
Output Code
1.00
fSAMPLE = 400kHz
0.75
0.50
0.25
0
– 0.25
–0.50
–0.75
–1.00
0
512 1024 1536 2048 2560 3072 3584 4096
OUTPUT CODE
1400 TPC02
Peak Harmonic or Spurious Noise
vs Input Frequency
0
–10 fSAMPLE = 400kHz
–20
–30
–40
–50
–60
–70
–80
–90
– 100
10
100
INPUT FREQUENCY (kHz)
1000
1400 TPC08
Power Supply Feedthrough vs
Ripple Frequency
0
–10 fSAMPLE = 400kHz
–20
–30
–40
–50
–60
VSS (VRIPPLE = 10mV)
–70
–80
–90
VCC (VRIPPLE = 1mV)
–100
1
10
100
1000
RIPPLE FREQUENCY (kHz)
1400 TPC07.5
S/(N + D) vs Input Frequency
and Amplitude
80
VIN = 0dB
70
60
VIN = –20dB
50
40
30
20 VIN = – 60dB
10
fSAMPLE = 400kHz
0
10
100
INPUT FREQUENCY (kHz)
1000
1400 TPC06
Acquisition Time vs
Source Impedance
4500
TA = 25°C
4000
3500
3000
2500
2000
1500
1000
500
0
10
100
1000
RSOURCE (Ω)
10000
1400 TPC05
Supply Current vs Temperature
20
fSAMPLE = 400kHz
15
10
5
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1400 TPC04
1400fa
5
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