TCA9539_15 Datasheet, PDF (8/42 Pages) Texas Instruments – Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander

TCA9539
SCPS202B – OCTOBER 2009 – REVISED OCTOBER 2015
6.9 Typical Characteristics
T_A = 25°C (unless otherwise noted)
22
20
V_CC = 5.5 V
18
V_CC = 5 V
16
14
12
10
V_CC = 3.3 V
8
6
V_CC = 2.5 V
4
V_CC = 1.8 V
2
V_CC = 1.65 V
0
-40 -15 10 35 60 85
Temperature, T_A (°C)
Figure 1. Supply Current vs Temperature
22
20
18
16
14
12
10
8
6
4
2
0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply Voltage, V_CC (V)
Figure 3. Supply Current vs Supply Voltage
35
VCC = 1.8 V
30
TA = –40°C
25
20
TA = 25°C
15
10
TA = 85°C
5
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
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2000
1800
V_CC = 5.5 V
1600
1400
V_CC = 5 V
1200
1000
800
V_CC = 3.3 V
V_CC = 2.5 V
600
V_CC = 1.8 V
400
200
V_CC = 1.65 V
0
–40 –15 10
35
60 85
Temperature, T_A (°C)
Figure 2. Standby Supply Current vs Temperature
30
VCC = 1.65 V
25
TA = –40°C
20
TA = 25°C
15
10
TA = 85°C
5
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
50
VCC = 2.5 V
40
TA = –40°C
30
TA = 25°C
20
10
TA = 85°C
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
8
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