Datasheet

LTC6255/LTC6256/LTC6257
8
625567fb
typicAl perForMAnce chArActeristics
Supply Current vs Temperature
Output Saturation Voltage
vs Load Current (Output High)
Output Saturation Voltage
vs Load Current (Output Low)
Output Short-Circuit Current
vs Supply Voltage (Sourcing)
Output Short-Circuit Current
vs Supply Voltage (Sinking)
0.1Hz to 10Hz Output
Voltage Noise
Input Bias Current
vs Supply Voltage Input Bias Current vs Temperature
SUPPLY VOLTAGE (V)
1.8
625567 G10
2.8 3.8 4.8
V
CM
= 0.4V
INPUT BIAS CURRENT (nA)
25
–5
20
10
0
–15
15
5
–20
–10
–25
+IN
–IN
TEMPERATURE (°C)
–40
625567 G11
10 60 110
V
S
= ±2.5V
V
CM
= –2V
V
CM
= 2V
INPUT BIAS CURRENT (nA)
50
–10
40
20
0
–30
30
10
–40
–20
–50
TEMPERATURE (°C)
–40
SUPPLY CURRENT (µA)
100
40
20
80
60
0
625567 G13
–15 10 35 60 85 110
V
CM
= 0.4V
V
S
= 5V, 0V
V
S
= 1.8V, 0V
LOAD CURRENT (mA)
0
SATURATION VOLTAGE FROM TOP RAIL (V)
0
–0.15
–0.10
–0.05
–0.25
–0.20
–0.30
–0.35
3
625567 G14
5421
125°C, V
S
= 5V
85°C, V
S
= 5V
25°C, V
S
= 5V
–40°C, V
S
= 5V
125°C, V
S
= 1.8V
85°C, V
S
= 1.8V
25°C, V
S
= 1.8V
–40°C, V
S
= 1.8V
LOAD CURRENT (mA)
0
SATURATION VOLTAGE FROM BOTTOM RAIL (V)
0.5
0.4
0.2
0.3
0.1
0
3
625567 G15
5421
125°C, V
S
= 1.8V
125°C, V
S
= 5V
85°C, V
S
= 1.8V
85°C, V
S
= 5V
25°C, V
S
= 1.8V
25°C, V
S
= 5V
–40°C, V
S
= 1.8V
–40°C, V
S
= 5V
SUPPLY VOLTAGE (V)
1.8
MAXIMUM SOURCING CURRENT (mA)
100
40
20
80
60
0
50
30
90
70
10
625567 G16
2.3 2.8 3.3 3.8 4.3 4.8
V
CM
= 0.4V
25°C
–40°C
125°C
SUPPLY VOLTAGE (V)
1.8
MAXIMUM SINKING CURRENT (mA)
100
40
20
80
60
0
50
30
90
70
10
625567 G17
2.3 2.8 3.3 3.8 4.3 4.8
V
CM
= 0.4V
25°C
–40°C
125°C
TIME (s)
0
625567 G18
2 4 6 8 10
NOISE VOLTAGE (µV)
5
–1
4
2
0
–3
3
1
–4
–2
–5
V
S
= ±2.5V
V
CM
= 0V
A
V
= 1
Supply Current vs Supply Voltage
per Channel
SUPPLY VOLTAGE (V)
0
SUPPLY CURRENT (µA)
100
40
20
80
60
0
625567 G12
1 2 3 4 5
25°C
–40°C
125°C
V
CM
= 0.4V