Datasheet

LTC6246/LTC6247/LTC6248
10
624678fa
Typical perForMance characTerisTics
Open Loop Gain and Phase
vs Frequency
Gain vs Frequency (A
V
= 1)
Gain vs Frequency (A
V
= 2)
Gain Bandwidth and Phase
Margin vs Supply Voltage
Gain Bandwidth and Phase
Margin vs Temperature
Open Loop Gain
Output Short-Circuit Current
vs Power Supply Voltage Open Loop Gain
Output Saturation Voltage
vs Load Current (Output Low)
LOAD CURRENT (mA)
OUTPUT LOW SATURATION VOLTAGE (V)
624678 G22
10
1
0.1
0.01
0.01 10 10010.1
V
S
= ±2.5V
T
A
= –55°C
T
A
= 125°C
T
A
= 25°C
OUTPUT VOLTAGE (V)
0
INPUT VOLTAGE (µV)
500
400
300
200
100
0
–100
–200
–300
–400
–500
2.5 3.5
624678 G24
5
R
L
= 1k TO MID SUPPLY
R
L
= 1k TO GROUND
R
L
= 100 TO MID SUPPLY
R
L
= 100 TO GROUND
T
A
= 25°C
V
S
= 5V, 0V
4 4.521.510.5 3
OUTPUT VOLTAGE (V)
0
INPUT VOLTAGE (µV)
1000
900
500
600
700
800
400
300
200
100
0
–100
–200
–300
2.5
624678 G25
2.7
R
L
= 1k TO MID SUPPLY
R
L
= 1k TO GROUND
R
L
= 100 TO MID SUPPLY
R
L
= 100 TO GROUND
T
A
= 25°C
V
S
= 2.7V, 0V
21.510.5
POWER SUPPLY VOLTAGE (±V)
1.25
OUTPUT SHORT-CIRCUIT CURRENT (mA)
120
100
80
60
40
20
0
–20
–40
–60
–80
–100
1.651.45 2.05
624678 G23
2.65
T
A
= 125°C
T
A
= 125°C
SINK
SOURCE
T
A
= 25°C
T
A
= 25°C
T
A
= –55°C
T
A
= –55°C
2.25 2.451.85
FREQUENCY (MHz)
GAIN (dB)
624678 G26
6
0
–18
–12
–6
–24
0.01 10 10010.1
V
S
= ±2.5V
T
A
= 25°C
R
L
= 1k
FREQUENCY (MHz)
GAIN (dB)
624678 G27
12
0
6
–12
–6
–18
0.01 10 10010.1
V
S
= ±2.5V
T
A
= 25°C
R
F
= R
G
= 1k
R
L
= 1k
FREQUENCY (Hz)
GAIN (dB)
PHASE (DEG)
624678 G28
80
10
20
30
40
50
60
70
–10
0
–20
150
0
50
100
–50
–100
100k 100M 300M10M1M
T
A
= 25°C
R
L
= 1k
V
S
= ±2.5V
PHASE
GAIN
V
S
= ±1.35V
V
S
= ±2.5V
V
S
= ±1.35V
TOTAL SUPPLY VOLTAGE (V)
2.5
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
200
180
160
140
120
100
70
60
50
3 3.5 4.5
PHASE MARGIN
GAIN BANDWIDTH PRODUCT
624678 G29
T
A
= 25°C
R
L
= 1k
54
TEMPERATURE (°C)
–55
GAIN BANDWIDTH (MHz)
PHASE MARGIN (DEG)
300
250
200
150
100
60
70
50
40
–35 –15 4525
PHASE MARGIN
GAIN BANDWIDTH PRODUCT
624678 G30
125
T
A
= 25°C
R
L
= 1k
65 85 1055
V
S
= ±2.5V
V
S
= ±1.35V
V
S
= ±2.5V
V
S
= ±1.35V