LT1995 Datasheet, PDF (6/20 Pages) Linear Technology – 32MHz, 1000V/μs Gain Selectable Amplifier

LT1995
TYPICAL PERFOR A CE CHARACTERISTICS (Difference Amplifier Configuration)
V_OS Distribution
25
V_S = ±15V
V_CM = 0V
20
G=1
MS PACKAGE
15
10
5
Supply Current vs Supply Voltage
and Temperature
10
T_A = 125°C
8
T_A = 25°C
6
T_A = –55°C
4
2
Input Noise Spectral Density
1000
V_S = ±15V
T_A = 25°C
100
G=1 G=2
10
G=7
G=4
0
–3.5 –2.5 –1.5 –0.5 0.5 1.5 2.5 3.5
INPUT OFFSET VOLTAGE (mV)
1995 G01
0
0
5
10
15
20
SUPPLY VOLTAGE (±V)
1995 G02
Change in Gain Error
vs Resistive Load
0.05
0.04
0.03
G=7
0.02
G=4
0.01
V_S = ±15V
T_A = 25°C
V_OUT = ±12V
0
–0.01
G=2
–0.02
G=1
–0.03
–0.04
–0.05
0 1 2 3 4 5 6 7 8 9 10
RESISTIVE LOAD (kΩ)
1995 G04
Output Voltage Swing vs Supply
Voltage
V⁺
T_A = 25°C
–0.5
R_L = 1k
–1.0
R_L = 500Ω
–1.5
1.5
1.0
0.5
V^–
0
R_L = 500Ω
R_L = 1k
5
10
15
SUPPLY VOLTAGE (±V)
20
1995 G05
Warm-Up Drift vs Time
300
V_S = ±15V
T_A = 25°C
250 MS PACKAGE
Output Short-Circuit Current
vs Temperature
120
V_S = ±5V
100
200
80
G=1
SOURCE
150
60
SINK
G=7
100
40
50
20
0
0
1
2
3
4
5
TIME AFTER POWER ON (MINUTES)
1995 G07
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1995 G08
6
1
0.01
0.1
1
10
FREQUENCY (kHz)
100
1995 G03
Output Voltage Swing vs Load
Current
V⁺
V_S = ±5V
–0.5
3.0 85°C
2.5
25°C
25°C ^–1.0
–40°C
–1.5
–2.0
85°C
2.0
1.5
–40°C
1.0
0.5
V^–
–50
–25
0
25
50
OUTPUT CURRENT (mA)
1995 G06
Output Impedance vs Frequency
1000
V_S = ±15V
T_A = 25°C
100
G=7
10
G=1
1
0.1
10k
100k
1M
10M
FREQUENCY (Hz)
100M
1995 G09
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