TCA8418 Datasheet, PDF (24/37 Pages) Texas Instruments – I2C CONTROLLED KEYPAD SCAN IC WITH INTEGRATED ESD PROTECTION

TCA8418
SCPS215 – SEPTEMBER 2009 ......................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS
T_A = 25°C (unless otherwise noted)
SUPPLY CURRENT
vs
TEMPERATURE
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
Tem perature, T_A (°C)
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
11
10
9
8
7
6
5
4
3
2
1
0
1.6
2.0
2.4
2.8
3.2
Supply Voltage, V_CC (V)
1600
STANDBY SUPPLY CURRENT
vs
TEMPERATURE
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
85
-40
-15
10
35
60
85
Tem perature, T_A (°C)
I/O SINK CURRENT
vs
OUTPUT LOW VOLTAGE
60
V_CC = 1.65 V
50
T_A = -40°C
40
T_A = 25°C
T_A = 85°C
30
20
10
0
3.6
0.0
0.1
0.2
0.3
0.4
0.5
0.6
Output Low Voltage, V_OL (V)
24
Submit Documentation Feedback
Product Folder Link(s): TCA8418
Copyright © 2009, Texas Instruments Incorporated