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
LTC6912-2 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 G18
LTC6912-2 Distortion vs
Frequency with Heavy Loading
(RL = 500Ω)
–30
VS = ±2.5V
VOUT = 1VRMS (2.83VP-P)
–40
GAIN = 64
–50
GAIN = 8
–60
GAIN = 1
–70
–80
–90
0
50
100
150
FREQUENCY (kHz)
200
6912 G21
LTC6912-2 Software Shutdown
Total Supply Current vs
Temperature
800 BOTH AMPLIFIERS
PROGRAMMED TO STATE = 8
700 RL = 10k
600
VS = 5V
500
VS = 5V
400
VS = 2.7V
300
200
100
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6912 G23
LTC6912-2 Noise Density vs
Frequency
100
VS = ±2.5V
TA = 25°C
INPUT REFERRED
GAIN = 1
GAIN = 8
10
GAIN = 64
1
1
10
100
FREQUENCY (kHz)
6912 G19
LTC6912-2 THD + Noise vs
Input Voltage
–30
–40
–50
GAIN = 64
–60
GAIN = 8
–70
–80
GAIN = 1
–90
VS = 5V
RL = 10k
fIN = 1kHz
–100
0.001
0.01
0.1
1
INPUT VOLTAGE (VP-P)
10
6912 G22
LTC6912-2 Total Supply Current
vs Temperature (Both Amplifiers
Active)
6.0
BOTH AMPLIFIERS
ACTIVE : GAIN = 1
5.5 RL = 10k
VS = ±5V
5.0
VS = 5V
4.5
VS = 2.7V
4.0
3.5
3.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6912 G24
LTC6912-2 Distortion vs
Frequency with Light Loading
(RL = 10k)
–50
VS = ±2.5V
–55 VOUT = 1VRMS (2.83VP-P)
–60
–65
GAIN = 64
–70
–75
GAIN = 8
–80
GAIN = 1
–85
–90
0
50
100
150
FREQUENCY (kHz)
200
6912 G20
LTC6912-2 Hardware Shutdown
Total Supply Current vs
Temperature
HARDWARE SHUTDOWN (GN-16 ONLY)
VS = ±5V
10
VS = 5V
1
VS = 3V
VS = 2.7V
0.1
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6912 G22A
LTC6912-2 Gain Shift vs
Temperature (Light Load)
0.100
0.075
0.050
VS = 5V
RL = 10k
0.025
0
GAIN = 1
–0.025
–0.050
GAIN = 8
–0.075
–0.100
–0.125
–0.150
GAIN = 64
–0.175
–0.200
–50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
6912 G25
6912fa
15
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