Datasheet

LT1809/LT1810
13
180910fa
TYPICAL PERFORMANCE CHARACTERISTICS
Gain Bandwidth and Phase
Margin vs Supply Voltage
Gain Bandwidth and Phase
Margin vs Temperature Slew Rate vs Temperature
Gain and Phase vs Frequency Closed-Loop Gain vs Frequency Closed-Loop Gain vs Frequency
Input Noise Voltage vs Frequency Input Noise Current vs Frequency
0.1Hz to 10Hz
Output Voltage Noise
FREQUENCY (kHz)
0.1
40
NOISE VOLTAGE (nV/√Hz)
50
60
70
80
1 10 100
1809 G19
30
20
10
0
90
100
V
S
= 5V, 0V
NPN ACTIVE
V
CM
= 4.5V
PNP ACTIVE
V
CM
= 2.5V
FREQUENCY (kHz)
0.1
0
CURRENT NOISE (pA/√Hz)
12
16
20
1 10 100
1809 G20
8
4
V
S
= 5V, 0V
PNP ACTIVE
V
CM
= 2.5V
NPN ACTIVE
V
CM
= 4.5V
TIME (2s/DIV)
OUTPUT VOLTAGE (µV/DIV)
2
6
10
1809 G21
–2
–6
0
4
8
–4
–8
–10
TOTAL SUPPLY VOLTAGE (V)
0
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
190
8
1809 G22
180
170
185
175
165
160
35
45
55
40
50
2
4
6
10
T
A
= 25°C
R
L
= 1k
PHASE MARGIN
GAIN BANDWIDTH
TEMPERATURE (°C)
–55
150
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
160
180
190
200
0
50
75
1809 G23
170
30
55
40
45
50
35
–25
25
100
125
V
S
= ±5V
V
S
= ±5V
V
S
= 3V, 0V
V
S
= 3V, 0V
GAIN BANDWIDTH
PHASE MARGIN
TEMPERATURE (°C)
–55
SLEW RATE (V/µs)
400
25
1809 G24
250
150
–25 0 50
100
50
450
350
300
200
75 100 125
A
V
= 1
R
F
= R
G
= 1k
R
L
= 1k
RISING AND FALLING
SLEW RATE
V
S
= ±5V
V
S
= 5V, 0V
FREQUENCY (Hz)
0
GAIN (dB)
PHASE (DEG)
20
30
50
60
100k 10M 100M 1G
1809 G25
–20
1M
40
10
–10
–20
20
40
80
100
–60
60
0
–40
V
S
= ±5V
V
S
= ±5V
V
S
= 3V, 0V
PHASE
GAIN
V
S
= 3V, 0V
C
L
= 5pF
R
L
= 1k
FREQUENCY (Hz)
–6
GAIN (dB)
12
15
–9
–12
9
0
6
3
–3
100k 10M 100M 500M
1809 G26
–15
1M
V
S
= 3V
A
V
= +1
V
S
= ±5V
FREQUENCY (Hz)
–6
GAIN (dB)
12
15
–9
–12
9
0
6
3
–3
100k 10M 100M 500M
1809 G27
–15
1M
V
S
= 3V
A
V
= +2
V
S
= ±5V