LTC6268/LTC6269
8
62689f
For more information www.linear.com/LTC6268
TYPICAL PERFORMANCE CHARACTERISTICS
Output Saturation Voltage
vs Load Current (Output Low)
Output Saturation Voltage
vs Load Current (Output High)
Output Short Circuit Current
vs Supply Voltage
Input Referred Voltage Noise
Wide Band Input Referred
Voltage Noise
Input Bias Current vs Common
Mode Voltage
Input Bias Current vs Supply
Voltage Input Bias Current vs Temperature
T
A
= 25°C, unless otherwise noted.
0.1Hz to 10Hz
Output Voltage Noise
–IN
+IN
COMMON MODE VOLTAGE (V)
0.0
–300
INPUT BIAS CURRENT (fA)
INPUT BIAS CURRENT (fA)
300
200
V
S
= 5V
100
0
–100
–200
–10.0
10.0
8.0
6.0
4.0
2.0
0.0
–2.0
–4.0
–6.0
–8.0
1.0 4.0 5.02.0 3.0
6268 G10
SUPPLY VOLTAGE (V)
3.0
–10
INPUT BIAS CURRENT (fA)
–2
–1
–4
–3
–5
–7
–6
–9
–8
0
3.5 5.0 5.54.0 4.5
6268 G11
V
S
= 3.1V TO 5.25V
V
CM
= 1.0V
+IN
–IN
TEMPERATURE (°C)
25
–200
CURRENT (fA)
1400
1000
1200
800
400
600
0
200
1600
45 105 12565 85
6268 G12
–IN
+IN
V
S
= ±2.5V
V
CM
= 0.25V
LOAD CURRENT (mA)
0.0
0
OUTPUT SATURATION VOLTAGE (mV)
160
120
40
80
200
10.05.0 20.0 25.015.0
6268 G13
V
S
= ±2.5V
V
CM
= 0.25V
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C
LOAD CURRENT (mA)
0.0
–280
OUTPUT SATURATION VOLTAGE (mV)
–40
–120
–200
–240
–80
–160
0
5.0 20.0 25.010.0 15.0
6268 G14
V
S
= ±2.5V
V
CM
= 0.25V
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C
V
S
= ±2.5V
V
CM
= 0.25V
V
S
(V)
3.0
–200
I
SC
(mA)
150
0
–100
–150
50
100
–50
200
3.5 5.0 5.54.0 4.5
6268 G15
SINKING
SOURCING
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C
FREQUENCY (Hz)
10k
0
VOLTAGE NOISE (nV/√Hz)
9
8
7
6
5
4
3
2
1
10
1M100k
6268 G16
V
S
= ±2.5V
V
CM
= 0.25V
FREQUENCY (MHz)
0 20 40 60 80
0
VOLTAGE NOISE (nV/√Hz)
5
4
3
2
1
6
100
6268 G17
V
S
= ±2.5V
V
CM
= 0.25V
TIME (s)
0 1 2 3 4 5 6 7 8 9
–20
VOLTAGE NOISE (µV)
16
12
8
4
–16
–12
–8
–4
0
20
10
6268 G18
V
S
= ±2.5V
V
CM
= 0.25V
