Datasheet

LTC6246/LTC6247/LTC6248
12
624678fa
Typical perForMance characTerisTics
Large Signal Response
Small Signal Response Output Overdriven Recovery
Settling Time vs Output Step
(Noninverting)
Settling Time vs Output Step
(Inverting) SHDN Pin Response Time
Distortion vs Frequency
A
V
= 2, 2.7V)
Maximum Undistorted Output
Signal vs Frequency
OUTPUT STEP (V)
–4
SETTLING TIME (ns)
200
180
160
140
40
60
80
100
120
20
0
–3 –1
624678 G42
4
1mV
1mV
10mV 10mV
0 1 32–2
V
S
= ±2.5V
A
V
= 1
T
A
= 25°C
1k
V
OUT
V
IN
+
–
OUTPUT STEP (V)
–4
SETTLING TIME (ns)
200
180
160
140
40
60
80
100
120
20
0
–3 –1
624678 G43
4
10mV
0 1 32–2
1k
1k
1k
V
OUT
V
IN
V
S
= ±2.5V
A
V
= –1
T
A
= 25°C
1mV
10mV
1mV
+
–
V
OUT
1.6V/DIV
A
V
= 1
V
S
= ±2.5V
R
L
= 1k
V
IN
= 1.6V
V
SHDN
2.5V/DIV
0V
0V
624678 G44
10µs/DIV
1V/DIV
0V
A
V
= 1
V
S
= ±2.5V
R
L
= 1k
624678 G45
200ns/DIV
25mV/DIV
0V
A
V
= 1
V
S
= ±2.5V
R
L
= 1k
624678 G46
50ns/DIV
V
OUT
2V/DIV
A
V
= ±2
V
S
= ±2.5V
R
L
= 1k
V
IN
= 3V
P-P
V
IN
1V/DIV
0V
0V
624678 G47
100ns/DIV
FREQUENCY (MHz)
0.01
DISTORTION (dBc)
–40
–50
–60
–70
–80
–90
–100
–110
–120
0.1 101
624678 G40
V
S
= ±1.35V
V
OUT
= 1V
P-P
A
V
= 2
R
L
= 100Ω, 2ND
R
L
= 1kΩ, 3RD
R
L
= 1kΩ, 2ND
R
L
= 100Ω, 3RD
FREQUENCY (MHz)
0.01
OUTPUT VOLTAGE SWING (V
P-P
)
5
4
3
2
1
0
0.1 101
624678 G41
V
S
= ±2.5V
T
A
= 25°C
R
L
= 1kΩ
HD2, HD3 < –40dBc
A
V
= 2
A
V
= –1