MAX14579E Datasheet, PDF (4/11 Pages) Maxim Integrated Products – Low-Power Headset Detectors with SEND/END Button Support Low-Power Microphone Mode

Low-Power Headset Detectors
with SEND/END Button Support
Typical Operating Characteristics
(MAX14579E, VCC = 3.3V, TA = +25NC, CDETIN < 100pF, unless otherwise noted.)
VCC SUPPLY CURRENT vs. VOLTAGE
4.5
SHUTDOWN MODE
4.0
3.5
3.0
2.5
TA = -40°C
2.0
1.5
TA = +25°C
1.0
0.5
TA = +85°C
0
2.5
3.5
4.5
5.5
VCC (V)
VCC SUPPLY CURRENT vs. VOLTAGE
200
CALL MODE
180 ^{IMIC = 0µA}
TA = +85°C
160
140
120
TA = -40°C
100
TA = +25°C
80
60
2.5
3.5
4.5
5.5
VCC (V)
CAP VOLTAGE vs. CURRENT
3.0
VCC = 3.3V
2.5
2.0
1.5
1.0
0.5
0
01234567
ICAP (mA)
VCC SUPPLY CURRENT vs. VOLTAGE
12
MPLP MODE
IMIC = 0µA
10
TA = +85°C
8
TA = +25°C
6
4
TA = -40°C
2
0
2.5
3.5
4.5
5.5
VCC (V)
CAP VOLTAGE vs. VCC
3.0
ICAP = 0mA
2.5
2.0
1.5
1.0
0.5
0
2.5
3.5
4.5
5.5
VCC (V)
CAP VOLTAGE vs. TEMPERATURE
3.0
VCC = 2.8V
ICAP = 0mA
2.5
2.0
1.5
1.0
0.5
0
-40 -15
10
35
60
85
TA (°C)
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