TCA8418E_15 Datasheet, PDF (8/50 Pages) Texas Instruments – I2C Controlled Keypad Scan IC With Integrated ESD Protection

TCA8418E
SCPS222C – MAY 2010 – REVISED OCTOBER 2015
6.10 Typical Characteristics
T_A = 25°C (unless otherwise noted)
12
11
10 _{VCC = 3.6 V}
9
8 ^{VCC = 3.3 V}
7
6
V_CC = 2.5 V
5
4
V_CC = 1.8 V
3
2 ^{VCC = 1.65 V}
1
0
-40
-15
10
35
60
85
Tem perature, T_A (°C)
Figure 1. Supply Current vs Temperature
11
10
9
8
7
6
5
4
3
2
1
0
1.6
2.0
2.4
2.8
3.2
3.6
Supply Voltage, V_CC (V)
Figure 3. Supply Current vs Supply Voltage
70
V_CC = 1.8 V
60
T_A = -40°C
50
T_A = 25°C
T_A = 85°C
40
30
20
10
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
Output Low Voltage, V_OL (V)
Figure 5. I/O Sink Current vs Output Low Voltage
(V_CC = 1.8 V)
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1600
1400
1200
V_CC = 3.6 V
1000
800 ^VCC ^{= 3.3 V}
V_CC = 2.5 V
600
V_CC = 1.8 V
400
V_CC = 1.65 V
200
0
-40
-15
10
35
60
85
Tem perature, T_A (°C)
Figure 2. Standby Supply Current vs Temperature
60
V_CC = 1.65 V
50
T_A = -40°C
40
T_A = 25°C
T_A = 85°C
30
20
10
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
Output Low Voltage, V_OL (V)
Figure 4. I/O Sink Current vs Output Low Voltage
(V_CC = 1.65 V)
100
V_CC = 2.5 V
80
T_A = -40°C
T_A = 25°C
60
T_A = 85°C
40
20
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
Output Low Voltage, V_OL (V)
Figure 6. I/O Sink Current vs Output Low Voltage
(V_CC = 2.5 V)
8
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