Datasheet

LT6205/LT6206/LT6207
9
620567fc
TYPICAL PERFORMANCE CHARACTERISTICS
Gain Bandwidth and Phase
Margin vs Temperature Slew Rate vs Temperature Slew Rate vs Closed-Loop Gain
Closed-Loop Gain vs Frequency Output Impedance vs Frequency
Power Supply Rejection Ratio
vs Frequency
Common Mode Rejection Ratio
vs Frequency Channel Separation vs Frequency
Series Output Resistor
vs Capacitive Load
TEMPERATURE (°C)
–50 –25 0 25 50 75 125100
GAIN BANDWIDTH (MHz)
620567 G19
120
110
100
90
80
PHASE MARGIN (DEG)
55
50
45
40
35
GAIN BANDWIDTH
PHASE MARGIN
V
S
= p5V
V
S
= p5V
V
S
= 3V, 0V
V
S
= 3V, 0V
R
L
= 1k
C
L
= 5pF
TEMPERATURE (°C)
–50 –25 0 25 50 75 125100
SLEW RATE (V/μs)
620567 G20
750
650
600
700
550
500
450
400
350
RISING V
S
= p5V
A
V
= –1
R
G
= R
F
= 1k
R
L
= 1k
RISING V
S
= 5V, 0V
FALLING V
S
= 5V, 0V
FALLING V
S
= p5V
GAIN (A
V
)
2345
SLEW RATE (V/μs)
620567 G21
750
650
600
700
550
500
400
450
RISING
V
S
= p5V
V
O
= –4V to 4V
R
L
= 1k
T
A
= 25°C
FALLING
FREQUENCY (Hz)
GAIN (dB)
15
12
9
6
3
0
–3
–6
–9
–15
–12
100k 10M 100M 500M
620567 G22
1M
V
S
= p5V
V
CM
= 0V
V
S
= 3V
V
CM
= 1V
T
A
= 25°C
C
L
= 5pF
A
V
= +1
FREQUENCY (Hz)
100k
0.1
OUTPUT IMPEDANCE (Ω)
10
1000
10M 100M1M 500M
620567 G23
1
100
V
S
= 5V, 0V
T
A
= 25°C
A
V
= 10
A
V
= 2
A
V
= 1
FREQUENCY (Hz)
POWER SUPPLY REJECTION RATIO (dB)
90
80
70
60
50
40
30
20
10
0
10k 1M 10M 100M
620567 G24
100k
V
S
= 5V, 0V
T
A
= 25°C
–PSRR
+PSRR
FREQUENCY (Hz)
COMMON MODE REJECTION RATIO (dB)
10k 1M 10M 1G
620567 G25
100k
100
90
80
70
60
50
40
30
20
10
0
100M
V
S
= p5V
T
A
= 25°C
FREQUENCY (Hz)
1M
120
110
100
90
80
70
60
50
40
VOLTAGE GAIN (dB)
10M 100M
620567 G26
V
S
= p5V
LT6206 CH A-B
LT6207 CH A-D, CH B-C
T
A
= 25°C
CAPACITIVE LOAD (pF)
10
40
35
30
25
20
15
10
5
0
OVERSHOOT (%)
100 1000
620567 G27
V
S
= 5V, 0V
A
V
= 1
T
A
= 25°C
R
S
= 10Ω, R
L
= d
R
S
= 20Ω, R
L
= d
R
L
= R
S
= 50Ω