Datasheet

LT6550/LT6551
7
65501fa
Frequency Response with
Capacitive Loads
Capacitive Load Handling,
Overshoot vs Capacitive Load
Slew Rate vs Temperature
Power Supply Rejection Ratio vs
Frequency
Output Impedance vs Frequency
Channel Separation vs Frequency
Gain Matching vs Frequency
2nd and 3rd Harmonic Distortion
vs Frequency
Small Signal Response
FREQUENCY (Hz)
GAIN (dB)
12
11
10
9
8
7
6
5
4
3
2
10k 100k
6550/51 G13
1M 100M 500M10M
V
S
= 5V, 0V
V
OUT
= 2.5V DC
R
L
= 150Ω
C
L
= 150pF
C
L
= 10pF
CAPACITIVE LOAD (pF)
10
OVERSHOOT (%)
45
40
35
30
25
20
15
10
5
0
100 1000
6550/51 G14
TEMPERATURE (°C)
–50
500
450
400
350
300
250
200
150
25 75
6550/51 G15
–25 0
50 100 125
SLEW RATE (V/µs)
FREQUENCY (Hz)
POWER SUPPLY REJECTION RATIO (dB)
60
50
40
30
20
10
0
10k 1M 10M 1000M
6550/51 G16
100k 100M
FREQUENCY (Hz)
GAIN MATCHING(dB)
0
–0.2
–0.4
–0.6
–0.8
–1.0
10k 1M 10M 1000M
6550/51 G19
100k 100M
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
10k 1M 10M 100M
6550/51 G17
100k
100
10
1
0.1
FREQUENCY (Hz)
GAIN(dB)
100
90
80
70
60
50
40
30
20
10
0
10k 1M 10M 1000M
6550/51 G18
100k 100M
FREQUENCY (Hz)
100k
DISTORTION (dBc)
–30
–40
–50
–60
–70
–80
–90
1M 10M
6550/51 G20

6550/51 G21
V
S
= 5V, 0V
R
L
= OPEN
R
L
= 150Ω
R
L
= 150Ω
5V, 0V, RISING
5V, 0V, FALLING
3.3V, 0V, RISING
3.3V, 0V, FALLING
+PSSR
V
S
= 5V, 0V
V
OUT
= 2.5V DC
R
L
= 150Ω
C
L
= 20pF
V
S
= 5V, 0V
V
OUT
= 2.5V DC
R
L
= 150Ω
V
S
= 5V, 0V
R
L
= 150Ω
ANY CHANNEL PAIR
V
S
= 5V, 0V
V
OUT
= 2.5V DC
V
S
= 3.3V, 0V
V
OUT
= 1.5V DC, ANY CHANNEL PAIR
V
S
= 3.3V, 0V
V
O
= 2V
P-P
(0.5V TO 2.5V)
R
L
= 150Ω
3RD
2ND
C
L
= 50pF
C
L
= 100pF
5V/3.3V TYPICAL PERFOR A CE CHARACTERISTICS
UW
V
EE
(Pin 5) = 0V (LT6550), GND (Pin 5) = 0V (LT6551)