LTC6603 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC6603 Datasheet PDF : 24 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC6603
Gain and Group Delay
vs Frequency
30
3.5
20
GAIN = 24dB
10
GAIN = 12dB 3.3
GAIN = 6dB
3.1
0
2.9
GAIN = 0dB
–10
2.7
–20
2.5
–30 GROUP DELAY
2.3
–40
–50
RBIAS = 30.9k, VS = 3V
LPF1 = 0, LPF0 = 1,
–60 BW = 625kHz
TA = 25°C
–70
10k
100k
1M
FREQUENCY (Hz)
2.1
1.9
1.7
1.5
10M
6603 G06
Gain and Group Delay
vs Frequency
30
20 GAIN = 24dB
10
0
GAIN = 12dB
–10
GAIN = 6dB
–20
GAIN = 0dB
–30 GROUP DELAY
–40
–50
RBIAS = 30.9k, VS = 3V
LPF1 = LPF0 = 0,
–60 BW = 156.25kHz
TA = 25°C
–70
1k
10k
100k
FREQUENCY (Hz)
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
1M
6603 G07
Distortion vs Input Frequency
–50
RBIAS = 30.9k, VS = 3V
LPF1 = 1, BW = 2.5MHz
VOUT = 2VP-P, TA = 25°C
–60
HD3, GAIN = 24dB
HD3, GAIN = 0dB
–70
HD2, GAIN = 0dB
HD2, GAIN = 24dB
–80
–90
100
500 900 1300 1700
INPUT FREQUENCY (kHz)
6603 G08
Distortion vs Input Frequency
–60
RBIAS = 54.9k, VS = 3V
LPF1 = 1, BW = 1.41MHz
–65
TA = 25°C
HD3, GAIN = 0dB
–70
–75
–80
–85
–90
100
HD2, GAIN = 0dB
HD2, GAIN = 24dB
HD3, GAIN = 24dB
300 500 700 900
INPUT FREQUENCY (kHz)
1100
6603 G09
Distortion vs Output Voltage
–60
RBIAS = 30.9k, VS = 3V, LPF1 = 0, LPF0 = 1,
BW = 2.5MHz, GAIN = 24dB, TA = 25°C
–70
HD3, f = 1MHz
HD2, f = 1MHz
–80
–90 HD3, f = 200kHz
HD2, f = 200kHz
–100
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
OUTPUT VOLTAGE (VP-P)
6603 G11
Distortion vs Input Frequency
–60
RBIAS = 30.9k, VS = 3V
LPF1 = 0, LPF0 = 1, BW = 625kHz
–65
HD3, GAIN = 0dB
VOUT = 2VP-P, TA = 25°C
–70
–75
HD3, GAIN = 24dB
–80
–85
–90
20
HD2, GAIN = 24dB
HD2, GAIN = 0dB
120 220 320 420 520
INPUT FREQUENCY (kHz)
6603 G10
Distortion vs Input Frequency
–70
HD3, GAIN = 0dB
–75
HD3, GAIN = 24dB
–80
HD2, GAIN = 24dB
–85
HD2, GAIN = 0dB
–90
–95 RBIAS = 30.9k, VS = 3V
LPF1 = LPF0 = 0, BW = 156.25kHz
–100 VOUT = 2VP-P, TA = 25°C
10 30 50 70 90 110
INPUT FREQUENCY (kHz)
130 150
6603 G11
Filter Cutoff Accuracy
vs Supply Voltage
0.2
LPF1 = LPF0 = 0, BW = 156.25kHz
0.1
0.0
–0.1
LPF1 = 0, LPF0 = 1,
–0.2
BW = 625kHz
–0.3
–0.4
LPF1 = 1, BW = 2.5MHz
–0.5
–0.6
–0.7
–0.8 RBIAS = 30.9k
TA = 25°C
–0.9
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4
SUPPLY VOLTAGE (V)
3.5 3.6
6603 G13
Filter Cutoff Accuracy
vs Temperature
1.0
VS = 3V
0.8 RBIAS = 30.9k
0.6
0.4
BW = 156.25kHz
0.2
BW = 625kHz
0.0
–0.2
–0.4
BW = 2.5MHz
–0.6
–0.8
–50 –30 –10 10 30 50
TEMPERATURE (°C)
70 90
6603 G14
6603f
7
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