LTC6912C-1 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC6912C-1 Datasheet PDF : 24 Pages
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LTC6912
TYPICAL PERFOR A CE CHARACTERISTICS
LTC6912-1 Hardware Shutdown
Total Supply Current vs
Temperature
HARDWARE SHUTDOWN (GN-16 ONLY)
VS = ±5V
10
VS = 5V
1
VS = 3V
VS = 2.7V
LTC6912-1 Software Shutdown
Total Supply Current vs
Temperature
700
BOTH AMPLIFIERS IN
SOFTWARE SHUTDOWN
600 RL = 10k
VS = ±5V
500
400
VS = 5V
300
VS = 2.7V
200
0.1
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6912 G10
LTC6912-1 Gain Shift vs
Temperature (Light Load)
0.10
VS = 5V
0.05
RL = 10k
GAIN OF 1
0
–0.05
GAIN OF 10
–0.10
–0.15
GAIN OF 100
–0.20
–0.25
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6912 G13
100
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6912 G11
LTC6912-1 Gain Shift vs
Temperature (Heavy Load)
0.5
VS = 5V
RL = 500Ω
GAIN OF 1
0
GAIN OF 10
–0.5
GAIN OF 100
–1.0
–1.5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6912 G14
LTC6912-2 Channel Gain
Matching vs Frequency
0.100
0.075
0.050
VS = ±5V
VIN = 10mVRMS
RL = 10kΩ
0.025 GAIN OF 1
0 GAIN OF 8
–0.025 GAIN OF 64
–0.050
–0.075
–0.100
1
10
100
1000
FREQUENCY (kHz)
10000
6912 G15
LTC6912-2 –3dB Bandwidth vs
Gain Setting
8.0
6.0 VS = ±5V
VIN = 10mVRMS
VS = 2.7V
4.0
2.0
1.0
0.8
0.6
0.4
1
10
GAIN (V/V)
100
6912 G16
14
LTC6912-1 Total Supply Current
vs Temperature (Both Amplifiers
Active)
5.00
BOTH AMPLIFIERS
4.75
PROGRAMMED TO GAIN = 1
RL = 10k
4.50
VS = ±5V
4.25
VS = 5V
4.00
3.75
VS = 2.7V
3.50
3.25
3.00
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6912 G12
LTC6912-2
Frequency Response
40
GAIN OF 64
GAIN OF 32
30
GAIN OF 16
VS = ±5V
VIN = 10mVRMS
20 GAIN OF 8
GAIN OF 4
10
GAIN OF 2
0 GAIN OF 1
–10
1
10
100 1000
FREQUENCY (kHz)
10000
6912 G14a
LTC6912-2 Channel Isolation vs
Frequency
125
GAIN = 1
120
VS = 5V
VOUT = 1VRMS
115
110
GAIN = 8
105
100
GAIN = 64
95
90
85
80
100
FREQUENCY (kHz)
1000
6912 G17
6912fa
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