Datasheet
LTC6912
15
6912fa
FREQUENCY (kHz)
1
REJECTION (dB)
100
10000
90
80
70
60
50
40
30
20
10
0
6912 G18
10 1000
FREQUENCY (kHz)
1
1
VOLTAGE NOISE DENSITY (nV/Hz)
10
100
10 100
6912 G19
FREQUENCY (kHz)
0
THD (AMPLITUDE BELOW FUNDAMENTAL) (dB)
150
6912 G20
50 100 200
–50
–55
–60
–65
–70
–75
–80
–85
–90
FREQUENCY (kHz)
0
THD (AMPLITUDE BELOW FUNDAMENTAL) (dB)
–30
–40
–50
–60
–70
–80
–90
–30
–40
–50
–60
–70
–80
–90
–100
50 100 150 200
6912 G21
INPUT VOLTAGE (V
P-P
)
THD + NOISE (dB)
0.001 0.1 1 10
6912 G22
0.01
TEMPERATURE (°C)
–50
800
700
600
500
400
300
200
100
25 75
6912 G23
–25 0
50 100 125
TEMPERATURE (°C)
–50 25 75
–25 0
50 100 125
TOTAL SUPPLY CURRENT (A)
TEMPERATURE (°C)
–50
TOTAL SUPPLY CURRENT (mA)
6.0
5.5
5.0
4.5
4.0
3.5
3.0
25 75
6912 G24
–25 0
50 100 125
GAIN CHANGE (dB)
TOTAL SUPPLY CURRENT (µA)
6912 G25
TEMPERATURE (°C)
–50 25 75
–25 0
50 100 125
6912 G22A
0.100
0.075
0.050
0.025
0
–0.025
–0.050
–0.075
–0.100
–0.125
–0.150
–0.175
–0.200
+SUPPLY
–SUPPLY
V
S
= 5V
GAIN = 1
V
S
= 5V
R
L
= 10k
GAIN = 1
GAIN = 8
GAIN = 64
GAIN = 1
GAIN = 8
GAIN = 64
GAIN = 1
GAIN = 8
GAIN = 64
GAIN = 1
GAIN = 8
GAIN = 64
GAIN = 1
GAIN = 8
GAIN = 64
V
S
= ±2.5V
T
A
= 25°C
INPUT REFERRED
V
S
= 5V
R
L
= 10k
f
IN
= 1kHz
V
S
= ±2.5V
V
OUT
= 1V
RMS
(2.83V
P-P
)
V
S
= ±2.5V
V
OUT
= 1V
RMS
(2.83V
P-P
)
V
S
= 5V
V
S
= 5V
V
S
= 2.7V
BOTH AMPLIFIERS
PROGRAMMED TO STATE = 8
R
L
= 10k
V
S
= ±5V
V
S
= 5V
V
S
= 2.7V
BOTH AMPLIFIERS
ACTIVE : GAIN = 1
R
L
= 10k
10
1
0.1
HARDWARE SHUTDOWN (GN-16 ONLY)
V
S
= ±5V
V
S
= 5V
V
S
= 3V
V
S
= 2.7V
LTC6912-2 Power Supply
Rejection vs Frequency
LTC6912-2 Noise Density vs
Frequency
LTC6912-2 Distortion vs
Frequency with Light Loading
(R
L
= 10k)
LTC6912-2 Distortion vs
Frequency with Heavy Loading
(R
L
= 500Ω)
LTC6912-2 THD + Noise vs
Input Voltage
LTC6912-2 Software Shutdown
Total Supply Current vs
Temperature
LTC6912-2 Total Supply Current
vs Temperature (Both Amplifiers
Active)
LTC6912-2 Gain Shift vs
Temperature (Light Load)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LTC6912-2 Hardware Shutdown
Total Supply Current vs
Temperature