LTC6602IUF 查看數據表（PDF） - Linear Technology
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LTC6602IUF Datasheet PDF : 28 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC6602
Gain vs Frequency
20 TA = 25°C
10
VS = 3V
EXTERNAL CLOCK
0
RBIAS = 54.9k
GAIN = 0dB
15kHz-150kHz BPF
90kHz-900kHz BPF
–10
–20
–30
–40
–50 45kHz-300kHz BPF
–60
1k
10k
100k
1M
FREQUENCY (Hz)
10M
6602 G01
Distortion vs Gain
–70 TA = 25°C
VS = 3V
fIN = 100kHz
–75
DIFFERENTIAL INPUT, VOUT = 1.5VP-P
RBIAS = 54.9k
45kHz-300kHz BPF
–80
HD3
HD2
–85
–90
0
6
12
18
24
30
GAIN (dB)
6602 G04
Filter Cutoff Accuracy
vs Supply Voltage
0.10
RBIAS = 54.9k
45kHz-300kHz BPF
GAIN = 0dB
0.05
–40°C
25°C
0.00
85°C
–0.05
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
6602 G07
Distortion vs Input Frequency
–70
TA = 25°C, VS = 3V, DIFFERENTIAL INPUT,
VIN = 1.5VP-P, 12.4-82.4kHz BPF, RBIAS = 200k
45kHz-300kHz BPF, RBIAS = 54.9k, GAIN = 0dB
–75
HD3
12kHz-82kHz BPF
HD2
–80
45kHz-300kHz BPF
–85
HD2
12kHz-82kHz BPF
HD3
45kHz-300kHz BPF
–90
0
50 100 150 200 250 300
INPUT FREQUENCY (kHz)
66062 G02
Distortion vs Highpass
Cutoff Frequency
–70
TA = 25°C
VS = 3V
fIN = 100kHz
–75
DIFFERENTIAL INPUT, VIN = 1.5VP-P
RBIAS = 54.9k
fLP = 300kHz
GAIN = 0dB
–80
HD3
HD2
–85
–90
0
15 30 45 60 75 90
HIGHPASS CUTOFF FREQUENCY (kHz)
6602 G05
Filter Cutoff Accuracy
vs Temperature
0.4
VS = 3V
0.3
RBIAS = 54.9k
45kHz-300kHz BPF
0.2 GAIN = 0dB
0.1
0.0
5 TYPICAL UNITS
–0.1
–0.2
–0.3
–0.4
–40 –20
0 20 40 60
TEMPERATURE (°C)
80
6602 G08
Distortion vs Output Voltage
–30
TA = 25°C
–40
VS = 3V
fIN = 100kHz
DIFFERENTIAL INPUT
–50 RBIAS = 54.9k
RBIAS = 45kHz-300kHz BPF
–60 GAIN = 0dB
–70
HD2
–80
HD3
–90
–100
0
1
2
3
4
5
6
OUTPUT VOLTAGE (VP-P)
66062 G03
Distortion vs Lowpass
Cutoff Frequency
–70
–75
–80
–85
–90
0
HD3
HD2
TA = 25°C
VS = 3V
fIN = 100kHz
DIFFERENTIAL INPUT, VIN = 1.5VP-P
RBIAS = 54.9k
fHP = 45kHz
GAIN = 0dB
150 300 450 600 750 900
LOWPASS CUTOFF FREQUENCY (kHz)
6602 G06
Common Mode Rejection
120
CMR = ΔVIN-CM /ΔVOUT-DIFF
110
100
90
80
70
GAIN = 0dB
60
50
TA = 25°C
VS = 3V
40 VIN-CM = 0V
ΔVIN-CM = 1.25VP-P
30 RBIAS = 54.9k
45kHz-300kHz BPF
20
1k
10k
100k
GAIN = 12dB
GAIN = 24dB
GAIN = 30dB
1M
10M
FREQUENCY (Hz)
6602 G09
6602fa
7
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