Datasheet
LTC6252/LTC6253/LTC6254
11
625234fc
TYPICAL PERFORMANCE CHARACTERISTICS
Power Supply Rejection Ratio
vs Frequency
Series Output Resistor
vs Capacitive Load (A
V
= 1)
Series Output Resistor
vs Capacitive Load (A
V
= 2)
Output Impedance vs Frequency
Common Mode Rejection Ratio
vs Frequency
Gain Bandwidth and Phase
Margin vs Temperature
Slew Rate vs Temperature
Distortion vs Frequency
(A
V
= 1, 5V)
Distortion vs Frequency
(A
V
= 1, 2.7V)
TEMPERATURE (°C)
–55
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
900
1000
1100
1200
800
700
600
500
60
80
70
50
40
30
20
10
–35 –15 4525
625234 G31
12565 85 1055
V
S
= ±2.5V
V
S
= ±1.35V
V
S
= ±2.5V
V
S
= ±1.35V
PHASE MARGIN
GAIN BANDWIDTH PRODUCT
T
A
= 25°C
R
L
= 1k
FREQUENCY (MHz)
OUTPUT IMPEDANCE (Ω)
625234 G32
1000
10
100
1
0.1
0.01
0.001
0.1 100 1000101
V
S
= ±2.5V
A
V
= 1
A
V
= 2
A
V
= 10
FREQUENCY (Hz)
COMMON MODE REJECTION RATIO (dB)
625234 G33
110
90
70
50
30
10
–10
10k 100k 1M 100M 1G10M
V
S
= ±2.5V
FREQUENCY (Hz)
10
POWER SUPPLY REJECTION RATIO (dB)
50
40
30
20
10
70
80
60
0
–10
100 1k 100k
625234 G34
1G100M10M1M10k
+PSRR
–PSRR
V
S
= ±2.5V
TEMPERATURE (°C)
–55
SLEW RATE (V/µs)
360
320
340
300
280
240
260
220
200
140
120
160
180
100
–30 45205 70
625234 G35
12095
A
V
= –1, R
L
= 1k,
V
OUT
= 4V
P-P
(±2.5V), 2V
P-P
(±1.35V)
SLEW RATE MEASURED AT
MIDDLE 2/3 OF OUTPUT
FALLING, V
S
= ±2.5V
RISING, V
S
= ±1.35V
FALLING, V
S
= ±1.35V
RISING, V
S
= ±2.5V
V
S
= ±2.5V
CAPACITIVE LOAD (pF)
10
OVERSHOOT (%)
80
70
60
50
40
30
20
10
0
100 100001000
625234 G36
R
S
= 10Ω
R
S
= 20Ω
R
S
= 50Ω
+
–
V
IN
R
S
V
OUT
C
L
V
S
= ±2.5V
CAPACITIVE LOAD (pF)
10
OVERSHOOT (%)
100
70
80
90
60
50
40
30
20
10
0
100 100001000
625234 G37
+
–
V
IN
R
S
500Ω
500Ω
V
OUT
C
L
R
S
= 10Ω
R
S
= 20Ω
R
S
= 50Ω
V
S
= ±2.5V
FREQUENCY (MHz)
0.01
DISTORTION (dBc)
–20
–50
–60
–30
–40
–70
–80
–90
–100
–110
–120
–130
0.1 100101
625234 G38
R
L
= 100Ω, 2ND
R
L
= 100Ω, 3RD
R
L
= 1k, 2ND
R
L
= 1k, 3RD
V
S
= ±2.5V
V
OUT
= 2V
P-P
A
V
= 1
FREQUENCY (MHz)
0.01
DISTORTION (dBc)
–20
–50
–60
–30
–40
–70
–80
–90
–100
–110
–120
–130
0.1 100101
625234 G39
R
L
= 100Ω, 2ND
R
L
= 100Ω, 3RD
R
L
= 1k, 2ND
R
L
= 1k, 3RD
V
S
= ±1.35V
V
OUT
= 1V
P-P
A
V
= 1