Datasheet

LT1970
5
1970fe
For more information www.linear.com/LT1970
Typical perForMance characTerisTics
Gain Bandwidth vs Supply Voltage Gain vs Frequency Gain vs Frequency with C
LOAD
Output Impedance Disabled Output Impedance Slew Rate vs Supply Voltage
Supply Current vs Supply Voltage
Open-Loop Gain and Phase
vs Frequency Phase Margin vs Supply Voltage
SUPPLY VOLTAGE (±V)
2 4 6
0
SUPPLY CURRENT (mA)
0.5
1.5
2.0
2.5
14 16 18
4.5
I
V
+
I
V
–
1870 G04
1.0
8 10 12 20
3.0
3.5
4.0
T
A
= 25°C
V
CC
= V
+
= –V
EE
= –V
–
I
VCC
I
VEE
FREQUENCY (Hz)
100 1k
10
OPEN-LOOP GAIN (dB)
PHASE MARGIN (DEG)
20
30
40
50
10k 100k 1M 10M 100M
1970 G05
0
–10
–20
–30
60
70
40
50
60
70
80
30
20
10
0
90
100
PHASEGAIN
TOTAL SUPPLY VOLTAGE (V)
0
40
PHASE MARGIN (DEG)
42
46
48
50
60
54
8
16
20 36
1970 G06
44
56
58
52
4 12
24
28
32
A
V
= –1
R
F
= R
G
= 1k
T
A
= 25°C
V
OUT
= V
S
/2
TOTAL SUPPLY VOLTAGE (V)
0
0
GAIN BANDWIDTH (MHz)
1
3
4
5
8
16
20 36
1970 G07
2
4 12
24
28
32
A
V
= 100
FREQUENCY (Hz)
VOLTAGE GAIN (dB)
10
–30
0
–10
–20
10k 1M 10M
1970 G08
–40
100k
V
S
= ±15V
V
S
= ±5V
A
V
= 1
FREQUENCY (Hz)
VOLTAGE GAIN (dB)
10
–30
0
–10
–20
10k 1M 10M
1970 G09
–40
100k
30nF
10nF
1nF
0nF
V
S
= ±15V
A
V
= 1
FREQUENCY (Hz)
1k 10k
0.001
OUTPUT IMPEDANCE (Ω)
0.1
100
100k 1M 10M 100M
1970 G10
0.01
1
10
V
S
= ±15V
A
V
= 100
A
V
= 1
A
V
= 10
FREQUENCY (Hz)
1k
1
OUTPUT IMPEDANCE (Ω)
100
100k
600k
10k 100k 1M 10M 100M
1970 G11
10
1k
10k
V
S
= ±15V
V
ENABLE
= 0.8V
SUPPLY VOLTAGE (±V)
4
SLEW RATE (V/µs)
1.7
10
1970 G12
1.4
1.2
6 8 12
1.1
1.0
1.8
1.6
1.5
1.3
14 16 18
FALLING
RISING
A
V
= –1
R
F
= R
G
= 1k
T
A
= 25°C
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