Datasheet

LTC4222
7
4222fb
TYPICAL PERFORMANCE CHARACTERISTICS
∆V
GATE
vs Temperature
∆V
GATE
vs I
GATE
I
GATE
vs Temperature
T
A
= 25°C. V
DDn
= 12V unless otherwise noted.
TEMPERATURE (°C)
–50
∆V
GATE
(V)
6.1
6.0
5.8
5.6
5.9
5.7
5.5
5.4
500
4222 G10
10025–25 75
V
DD2
= 2.9V
V
DD2
= 3.3V
V
DD2
= 5V
V
DD2
= 12V
I
GATE
(A)
0
∆V
GATE
(V)
6.5
6.0
4.5
5.5
5.0
4.0
104 6
4222 G11
1482 12
V
DD2
= 2.9V
V
DD2
= 3.3V
V
DD2
= 5V
V
DD2
= 12V
TEMPERATURE (°C)
–50
I
GATE
(µA)
12.0
11.9
11.7
11.8
11.6
11.5
500
4222 G12
10025–25 75
I
GPIO
(mA)
0
V
GPIO
(V)
62
4222 G13
104 8
0.6
0.4
0.2
0.5
0.3
0.1
0
V
DD2
= 2.9VV
DD2
= 12V
V
OL(GPIO)
vs I
GPIO
ADC Total Unadjusted Error vs
CODE (ADIN1)
CODE
0
ERROR (%)
0
0.9
0.7
0.6
0.8
1.0
0.4
0.2
0.1
0.3
0.5
512256
4222 G14
1024768
V
SENSE
(mV)
0
T
PHL
V
GATE
(µs)
100
10
1
0.1
4222 G18
40035030025020015010050
ADC INL vs CODE (ADIN1)
ADC DNL vs CODE (ADIN1)
ADC Full-Scale Error vs
Temperature
T
PHL
V
GATE
vs V
SENSE
Overdrive
TEMPERATURE (°C)
–50
FULL-SCALE ERROR (LSB)
4
3
2
0
–2
1
–1
–3
–4
500
4222 G17
10025–25 75
CODE
0
INL (LSB)
0.5
–0.4
0.4
0.2
0
–0.2
0.3
0.1
–0.1
–0.3
–0.5
512256
4222 G15
1024768
CODE
0
DNL (LSB)
0.5
–0.4
0.4
0.2
0
–0.2
0.3
0.1
–0.1
–0.3
–0.5
512256
4222 G16
1024768