LT1187_15 Datasheet, PDF (6/16 Pages) Linear Technology – Low Power Video Difference Amplifi er

LT1187
TYPICAL PERFORMANCE CHARACTERISTICS
Gain, Phase vs Frequency
100
80
PHASE
100
V_S = ±5V
T_A = 25°C
R_L = 1k 80
60
60
40
GAIN
40
20
20
0
0
–20
100k
1M
10M
FREQUENCY (Hz)
–20
100M
LT1187 • TPC11
Gain Bandwidth Product and
Unity Gain Phase Margin vs
Temperature
60
65
V_S = ±5V
R_L = 1k
50 ^{GAIN BANDWIDTH}
55
PRODUCT
40
UNITY GAIN
45
PHASE MARGIN
30
–50 –25
35
0 25 50 75 100 125
TEMPERATURE (°C)
LT1187 • TPC13
Power Supply Rejection Ratio vs
Frequency
80 _{VS = ± 5V}
T_A = 25°C
60 ^{VRIPPLE = ±300mV}
+PSRR
40
–PSRR
20
0
–20
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
LT1187 • TPC16
6
Open-Loop Voltage Gain vs
Load Resistance
16k
V_S = ±5V
V_O = ±3V
T_A = 25°C
12k
8k
4k
Gain Bandwidth Product vs
Supply Voltage
60
A_V = 20dB
T_A = – 55°C
T_A = 25°C
50
T_A = 125°C
40
0
100
1k
10k
LOAD RESISTANCE (Ω)
LT1187 • TPC10
30
0
2
4
6
8
10
±SUPPLY VOLTAGE (V)
LT1187 • TPC12
Output Impedance vs Frequency
100 _{VS = ±5V}
T_A = 25°C
10
Common Mode Rejection Ratio
vs Frequency
80
V_S = ±5V
T_A = 25°C
70
R_L = 1k
60
1.0 ^{AV = 10}
50
A_V = 2
40
0.1
1k
10k 100k 1M 10M 100M
FREQUENCY (Hz)
LT1187 • TPC14
30
100k
1M
10M
FREQUENCY (Hz)
100M
LT1187 • TPC15
Output Short-Circuit Current vs
Temperature
36
V_S = ± 5V
35
34
33
32
31
30
– 50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1187 • TPC17
V^{+ ±Output Swing vs Supply Voltage}
– 0.7
– 0.8
– 0.9
–1.0
–1.1 _{RL = 1k}
0.5 ^{±1.8V ≤ VS ≤ ±9V}
125°C
25°C
– 55°C
125°C
0.4
0.3
0.2
0.1
V^{– 0}
25°C
– 55°C
2
4
6
8
10
±SUPPLY VOLTAGE (V)
LT1187 • TPC18
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