Datasheet

LT6236/LT6237/LT6238
14
623637fa
For more information www.linear.com/LT6236
TYPICAL PERFORMANCE CHARACTERISTICS
Open-Loop Gain vs Frequency
Gain Bandwidth and Phase
Margin vs Supply Voltage
Slew Rate vs Temperature
Output Impedance vs Frequency
Common Mode Rejection Ratio
vs Frequency Channel Separation vs Frequency
Power Supply Rejection Ratio
vs Frequency
FREQUENCY (Hz)
GAIN (dB)
80
70
50
30
0
–10
60
40
10
20
–20
PHASE (dB)
120
100
60
20
–60
80
40
–20
–40
0
–80
100k 10M 100M 1G
62367 G19
1M
C
L
= 5pF
R
L
= 1k
V
CM
= V
S
/2
PHASE
GAIN
V
S
= ±5V
V
S
= 3V, 0V
V
S
= ±5V
V
S
= 3V, 0V
TOTAL SUPPLY VOLTAGE (V)
0
GAIN BANDWIDTH (MHz)
6
62367 G20
2 4 8
220
240
200
180
140
160
PHASE MARGIN (DEG)
70
60
50
40
10 12 14
PHASE MARGIN
GAIN BANDWIDTH
T
A
= 25°C
C
L
= 5pF
R
L
= 1k
TEMPERATURE (°C)
–55
SLEW RATE (V/µs)
5
62367 G21
–35 –15 45
90
100
110
120
80
70
50
20
30
60
40
8525 65 105 125
V
S
= ±5V FALLING
V
S
= ±2.5V RISING
A
V
= –1
R
F
= R
G
= 1k
V
S
= ±5V RISING
V
S
= ±2.5V FALLING
FREQUENCY (Hz)
1
OUTPUT IMPEDANCE (Ω)
10
100k 10M 100M
62367 G22
0.01
0.1
1M
1k
100
V
S
= 5V, 0V
A
V
= 10
A
V
= 1
A
V
= 2
FREQUENCY (Hz)
20
COMMON MODE REJECTION RATIO (dB)
40
60
80
120
100
10k 100M100k 1G10M
62367 G23
0
1M
V
S
= 5V, 0V
V
CM
= V
S
/2
FREQUENCY (Hz)
20
POWER SUPPLY REJECTION RATIO (dB)
40
60
80
120
100
1k 10k 100M100k 10M
62367 G25
0
1M
V
S
= 5V, 0V
T
A
= 25°C
V
CM
= V
S
/2
NEGATIVE SUPPLY
POSITIVE SUPPLY
Gain Bandwidth and Phase
Margin vs Temperature
TEMPERATURE (°C)
–55
GAIN BANDWIDTH (MHz)
5
62367 G18
–25 35
240
220
200
180
140
160
PHASE MARGIN (DEG)
70
60
50
40
65 95 125
V
S
= ±5V
V
S
= 3V, 0V
V
S
= ±5V
V
S
= 3V, 0V
PHASE MARGIN
GAIN BANDWIDTH
C
L
= 5pF
R
L
= 1k
V
CM
= V
S
/2
0.1Hz to 10Hz Input Voltage
Noise
5s/DIV
62367 G17
100nV
100nV/DIV
–100nV
V
S
= ±2.5V
FREQUENCY (Hz)
100k
–100
CHANNEL SEPARATION (dB)
–90
–80
–70
–60
1M 10M 100M
62367 G24
–110
–120
–130
–140
–50
–40
V
S
= ±2.5V
A
V
= 1
125°C
85°C
25°C
–40°C