TCA6424A
SCPS193B –JULY 2010–REVISED SEPTEMBER 2010
www.ti.com
TYPICAL CHARACTERISTICS
TA = 25°C (unless otherwise noted)
SUPPLY CURRENT
vs
STANDBY SUPPLY CURRENT
SUPPLY CURRENT
vs
vs
TEMPERATURE
TEMPERATURE
SUPPLY VOLTAGE
100
90
80
70
60
50
40
30
20
10
0
100
9
fSCL = 400 kHz
SCL = VCC
fSCL = 400 kHz
All I/Os unloaded
90
8
All I/Os unloaded
All I/Os unloaded
80
VCC = 5 V
VCC = 3.3 V
VCC = 2.5 V
7
6
5
4
3
2
1
0
VCC = 5 V
70
60
50
40
30
20
10
0
VCC = 3.3 V
VCC = 2.5 V
VCC = 1.8 V
VCC = 1.8 V
60
1.65 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
-40
-15
10
35
60
85
–40 –15
10
35
85
Temperature,TA (°C)
Temperature,TA (°C)
Supply Voltage, VCC (V)
I/O SINK CURRENT
vs
I/O SINK CURRENT
vs
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
OUTPUT LOW VOLTAGE
OUTPUT LOW VOLTAGE
24
22
20
18
16
14
12
10
8
50
20
VCC = 2.5 V
VCC = 3.3 V
VCC = 1.8 V
18
16
45
40
35
30
25
20
15
10
5
TA = –40°C
TA = –40°C
TA = –40°C
14
12
TA = 25°C
TA = 25°C
TA = 25°C
10
8
6
4
TA = 85°C
TA = 85°C
6
4
TA = 85°C
2
0
2
0
0
0.6
0
0.1
0.2
0.3
0.4
0.5
0
0.1
0.2
0.3
0.4
0.5
0.6
0.5 0.6
0
0.1
0.2
0.3
0.4
Output Low Voltage, VOL (V)
Output Low Voltage, VOL (V)
Output Low Voltage, VOL (V)
I/O SINK CURRENT
vs
I/O LOW VOLTAGE
vs
I/O SOURCE CURRENT
vs
OUTPUT LOW VOLTAGE
TEMPERATURE
OUTPUT HIGH VOLTAGE
400
350
300
250
200
150
100
50
20
16
12
8
50
45
40
35
30
25
20
15
10
5
VCC = 5 V
VCC = 1.8 V
TA = –40°C
TA = –40°C
VCC = 5 V, ISINK = 10 mA
TA = 25°C
TA = 25°C
VCC = 1.8 V, ISINK = 10 mA
TA = 85°C
VCC = 5 V, ISINK = 1 mA
VCC = 1.8 V, ISINK = 1 mA
4
TA = 85°C
0
0
0
−40 −15
10
35
60
85
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
0
0.1
0.2
0.3
0.4
0.5
Output Low Voltage, VOL (V)
Temperature, TA (°C)
VCC – VOH (V)
18
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