LTC1404C Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC1404C Datasheet PDF : 24 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC1404
Unipolar Mode S/(N + D) vs Input
Frequency and Amplitude
80
VIN = 0dB
70
60
VIN = –20dB
50
40
30
20 VIN = –60dB
10
fSAMPLE = 600kHz
0
10
100
INPUT FREQUENCY (kHz)
1000
1404 G14
Bipolar Mode Peak Harmonic or
Spurious Noise vs Input Frequency
0
–10 fSAMPLE = 600kHz
–20
–30
–40
–50
–60
–70
–80
–90
– 100
10
100
INPUT FREQUENCY (kHz)
1000
1404 G17
Reference Voltage vs Temperature
2.440
2.438
2.436
2.434
2.432
2.430
2.428
2.426
2.424
2.422
2.420
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1404 G20
Bipolar Mode S/(N + D) vs Input
Frequency and Amplitude
80
VIN = 0dB
70
60
VIN = –20dB
50
40
30
20
VIN = –60dB
10
fSAMPLE = 600kHz
0
10
100
INPUT FREQUENCY (kHz)
1000
1404 G15
Unipolar Mode Power Supply
Feedthrough vs Ripple Frequency
0
–10
AIN = 0dB
AIN FREQUENCY = 100kHz
–20 fSAMPLE = 600kHz
VCC (VRIPPLE = 1mV)
–30
–40
–50
–60
–70
–80
–90
–100
1
10
100
RIPPLE FREQUENCY (kHz)
1000
1404 G18
Reference Voltage vs
Load Current
2.45
2.44
2.43
2.42
2.41
2.40
2.39
–8 –7 –6 –5 –4 –3 –2 –1 0 1
LOAD CURRENT (mA)
1404 G21
Unipolar Mode Peak Harmonic or
Spurious Noise vs Input Frequency
0
–10 fSAMPLE = 600kHz
–20
–30
–40
–50
–60
–70
–80
–90
– 100
10
100
INPUT FREQUENCY (kHz)
1000
1404 G16
Bipolar Mode Power Supply
Feedthrough vs Ripple Frequency
0
–10
AIN = 0dB
AIN FREQUENCY = 100kHz
–20 fSAMPLE = 600kHz
–30
–40
–50
–60
VSS (VRIPPLE = 10mV)
–70
–80
–90
VCC (VRIPPLE = 1mV)
–100
1
10
100
RIPPLE FREQUENCY (kHz)
1000
1404 G19
Acquisition Time vs
Source Impedance
4.0
TA = 25°C
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
10
100
1k
10k
SOURCE RESISTANCE (Ω)
1404 G22
7
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