LTC6912IGN-1 Просмотр технического описания (PDF) - Linear Technology
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LTC6912IGN-1 Datasheet PDF : 24 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC6912
LTC6912-1 Frequency Response
50
40 GAIN OF 100
GAIN OF 50
VS = ±5V
VIN = 10mVRMS
30 GAIN OF 20
20 GAIN OF 10
GAIN OF 5
10 GAIN OF 2
GAIN OF 1
0
–10
1
10
100 1000
FREQUENCY (kHz)
10000
6912 G01
LTC6912-1 Channel Isolation vs
Frequency
125
VS = ±5V
120
VOUT = 1VRMS
115
GAIN OF 1
110
GAIN OF 10
105
100
95
GAIN OF 100
90
85
80
100
FREQUENCY (kHz)
1000
6912 G04
LTC6912-1 Distortion vs
Frequency with Light Loading
–50 RL = 10k
–55
VS = ±2.5V
VOUT = 1VRMS (2.83)VP-P
–60
– 65
GAIN OF 100
–70
–75
GAIN OF 10
–80
GAIN OF 1
–85
–90
0
50
100
150
FREQUENCY (kHz)
200
6912 G07
LTC6912-1 Channel Gain
Matching vs Frequency
0.10
0.05
GAIN OF 100
0
GAIN OF 10
VS = ±5V
VIN = 10mVRMS
GAIN OF 1
–0.05
–0.10
–0.15
–0.20
1
10
100
1000
FREQUENCY (Hz)
10000
6912 G02
LTC6912-1 Power Supply
Rejection vs Frequency
90
VS = 5V
80
GAIN = 1
70
60
+SUPPLY
50
–SUPPLY
40
30
20
10
0
1
10
100
1000 10000
FREQUENCY (kHz)
6912 G05
LTC6912-1 Distortion vs
Frequency with Heavy Loading
–30
GAIN OF 100
–40
–50
GAIN OF 10
–60
–70 GAIN OF 1
–80
–90
0
RL = 500Ω
VS = ±2.5V
VOUT = 1VRMS (2.83)VP-P
50
100
150
FREQUENCY (kHz)
200
6912 G08
LTC6912-1 –3dB Bandwidth vs
Gain Setting
6
VIN = 10mVRMS
VS = ±5V
1
VS = 2.7V
0.1
1
10
GAIN (V/V)
100
6912 G03
LTC6912-1 Noise Density vs
Frequency
100
GAIN OF 1
GAIN OF 10
GAIN OF 100
10
VS = ±2.5V
TA = 25°C
1 INPUT REFERRED
1
10
FREQUENCY (kHz)
100
6912 G06
LTC6912-1 THD Plus Noise vs
Input Voltage
–30
GAIN OF 100
–40
–50
–60
GAIN
OF 10
–70
–80
VS = ±5V
–90 RL = 10k
fIN = 1kHz
GAIN OF 1
BW = 22kHz
–100
0.001
0.01
0.1
1
10
INPUT VOLTAGE (VP-P)
6912 G09
6912fa
13
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