LT1115_15 Datasheet, PDF (5/16 Pages) Linear Technology – Ultralow Noise, Low Distortion, Audio Op Amp

TYPICAL PERFOR A CE CHARACTERISTICS
LT1115
CCIF IMD Test (Twin Equal
Amplitude Tones at 13 and 14kHz)*
0.1
A_V = 10
R_L = 600
T_A = 25°C
V_S = ±18V
0.010
CCIF IMD Test (Twin Equal
Amplitude Tones at 13 and 14kHz)*
0.1
A_V = 10
R_L = 10k
T_A = 25°C
V_S = ±18V
0.010
Slew Rate, Gain-Bandwidth-Product
vs Overcompensation Capacitor
100
10000
10
1000
GWB
0.001
0.001
0.0001
10m
0.1
1
10
OUTPUT AMPLITUDE (V_RMS)
LT1115 • TPC10
Total Noise vs Unmatched Source
Resistance
100
R_S
0.0001
10m
0.1
1
10
OUTPUT AMPLITUDE (V_RMS)
LT1115 • TPC11
Current Noise Spectrum
100
10
AT 10Hz
AT 1kHz
1.0
R_S NOISE ONLY
V_S = ± 18V
T_A = 25°C
0.1
1 _{3 10 30 100 300 1k 3k 10k}
UNMATCHED SOURCE RESISTANCE, R_S (Ω)
LT1115 • TPC13
10
TYPICAL
1
1/f CORNER = 250Hz
0.1
10
100
1k
FREQUENCY (Hz)
10k
LT1115 • TPC14
Voltage Noise vs Supply Voltage
1.5
T_A = 25°C
1.25
1.0
AT 1kHz
0.75
0.5
0
±5
± 10
± 15
±20
SUPPLY VOLTAGE (V)
LT1115 • TPC16
Supply Current vs Temperature
10
9
V_S = ±18V
8
V_S = ±15V
7
6
V_S = ± 5V
5
4
3
2
1
0
0
15
30
45
60
75
TEMPERATURE (°C)
LT1115 • TPC17
*See CCIF Test Note at end of “Typical Performance Characteristics”.
SLEW
1
100
C_OC FROM PIN 5 TO PIN 6
V_S = ±18V
T_A = 25°C
0.1
1
10
100
1000
10
10000
OVERCOMPENSATION CAPACITOR (pF)
LT1115 • TPC12
Voltage Noise vs Temperature
2.0
V_S = ±18V
1.6
1.2
AT 10Hz
0.8
AT 1kHz
0.4
0
0
15
30
45
60
75
TEMPERATURE (°C)
LT1115 • TPC15
Output Short-Circuit Current
vs Time
50
V_S = ± 18V
40
25°C
30
20
10
0
– 10
– 20
– 30
25°C
– 40
– 50
0
1
2
3
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
LT1115 • TPC18
1115fa
5