LTC6911IMS-1 Просмотр технического описания (PDF) - Linear Technology
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LTC6911IMS-1 Datasheet PDF : 20 Pages
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LTC6911-1/LTC6911-2
TYPICAL PERFOR A CE CHARACTERISTICS (LTC6911-2)
LTC6911-2 Gain Shift
vs Temperature
0.100
0.075
0.050
GAIN = 64
VS = 5V
OUTPUT UNLOADED
0.025 GAIN = 8
0
GAIN = 1
–0.025
–0.050
–0.075
–0.100
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
6911 G010
LTC6911-2 Channel Isolation
vs Frequency
120
VS = 5V
115
VOUT = 1VRMS
GAIN = 8
110
GAIN = 1
105
100
GAIN = 64
95
90
85
100k
FREQUENCY (Hz)
1M
6911 G13
LTC6911-2 Distortion vs Frequency
with Light Loading (RL = 10k)
–30
VS = ±2.5V
–40 VOUT = 1VRMS (2.83VP-P)
–50
–60
GAIN = 64
–70
GAIN = 8
–80
GAIN = 1
–90
–100
0
50k
100k
150k
200k
FREQUENCY (Hz)
6911 G16
LTC6911-2 Frequency Response
50
VS = ±5V
VIN = 10mVRMS
40 GAIN OF 64
GAIN OF 32
30
GAIN OF 16
20 GAIN OF 8
GAIN OF 4
10 GAIN OF 2
GAIN OF 1
0
–10
100
1k 10k 100k 1M 10M
FREQUENCY (Hz)
6911 G11
LTC6911-2 Power Supply
Rejection vs Frequency
90
VS = ±2.5V
80
GAIN = 1
70
+SUPPLY
60
–SUPPLY
50
40
30
20
10
0
1k
10k
100k
1M
10M
FREQUENCY (Hz)
6911 G14
LTC6911-2 Distortion vs Frequency
with Heavy Loading (RL = 500Ω)
–30
VS = ±2.5V
–40 VOUT = 1VRMS (2.83VP-P)
GAIN = 64
–50
GAIN = 8
–60
GAIN = 1
–70
–80
–90
–100
0
50k
100k
150k
200k
FREQUENCY (Hz)
6911 G17
LTC6911-2 –3dB Bandwidth
vs Gain Setting
8.0
7.5 •
7.0
6.5
6.0 •
VIN = 10mVRMS
• VS = 2.7V
• VS = ±5V
5.5
5.0
•
4.5
4.0
•
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1
•
•
••
•• • •
10
100
GAIN
6911 G12
LTC6911-2 Noise Density
vs Frequency
100
VS = ±2.5V
TA = 25°C
INPUT REFERRED
GAIN = 1
GAIN = 8
10
GAIN = 64
1
1k
10k
100k
FREQUENCY (Hz)
6911 G15
LTC6911-2 THD + Noise
vs Input Voltage
–20
–30
–40
GAIN = 64
–50
GAIN = 8
–60
–70
–80
–90
fIN = 1kHz
–100 VS = ±5V
BW = 100Hz TO 22kHz
–110
1m
10n
0.1
GAIN = 1
1
10
INPUT VOLTAGE (VP-P)
6911 G18
sn691112 691112fs
11
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