MAX7349AEG-T Maxim Integrated, MAX7349AEG-T Datasheet - Page 4

• Manufacturer Part Number: MAX7349AEG-T
• Description: Peripheral Drivers & Components - PCIs Low-EMI Key Switch & Sounder Controller
• Manufacturer: Maxim Integrated

V
2-Wire Interfaced Low-EMI Key Switch
and Sounder Controllers
(V+ = 3.3V, T
SOUNDER
4
1V/div
300
250
200
150
100
50
90
85
80
75
70
65
60
55
50
45
40
3V
0V
_______________________________________________________________________________________
0
2.4
0
V+ = 2.4V
GPO OUTPUT LOW VOLTAGE
2.6
A
5
T
vs. SUPPLY VOLTAGE
A
= +25°C, unless otherwise noted. Supply range for V+ is 2.4V to 3.6V. Temperature range is -40°C to +125°C.)
= +125°C
vs. SINK CURRENT
SOUNDER OUTPUT
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
T
2.8
A
= +125°C
10
200μs/div
I
SINK
3.0
T
T
(mA)
A
A
= -40°C
= +25°C
15
T
3.2
A
= +25°C
T
A
20
MAX7347 toc07
= -40°C
3.4
3.6
25
300
250
200
150
100
50
30
29
28
27
26
25
24
65
64
63
62
61
60
0
2.4
2.4
0
COL0 = GND
V+ = 3V
KEY-SWITCH SOURCE CURRENT
T
A
= -40°C
GPO OUTPUT LOW VOLTAGE
2.6
OSCILLATOR FREQUENCY
5
2.7
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
vs. SINK CURRENT
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
T
2.8
A
= +125°C
10
I
SINK
T
T
3.0
3.0
T
A
A
A
(mA)
= +25°C
= +125°C
= +25°C
Typical Operating Characteristics
15
3.2
3.3
T
A
20
= -40°C
3.4
3.6
3.6
25
300
250
200
150
100
886
884
882
880
878
876
874
50
65
64
63
62
61
60
0
-40
2.4
0
SOUNDER FREQUENCY
CONFIGURED FOR 880Hz
V+ = 3.6V
GPO OUTPUT LOW VOLTAGE
OSCILLATOR FREQUENCY
5
SOUNDER FREQUENCY
vs. SUPPLY VOLTAGE
2.7
vs. TEMPERATURE
vs. SINK CURRENT
SUPPLY VOLTAGE (V)
10
TEMPERATURE (°C)
T
A
10
= +125°C
I
SINK
3.0
(mA)
T
A
T
15
T
= +25°C
A
T
60
A
A
= -40°C
= +125°C
= +25°C
3.3
T
A
20
= -40°C
110
3.6
25