MAX14579E Datasheet, PDF (3/11 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
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 2.5V to 5.5V, CDETIN < 100pF, TA = -40NC to +85NC, unless otherwise noted. Typical values are at VCC = 3.6V, TA = +25NC.)
(Note 2)
PARAMETER
LINEAR REGULATOR (CAP)
Minimum Bypass Capacitance
Output Current Limit
Output Voltage
LDO PSRR
SYMBOL
CONDITIONS
COUT
ICAP
VLDO
PSRRLDO
VCAP < VLDO
VCC = 2.8V
Noise from VCC to CAP, f = 217Hz,
VCC = 2.8V Q0.1V, ICAP = 300FA,
MODE = high
MIN TYP MAX UNITS
0.22
FF
4
mA
2.0
2.2 2.45
V
100
dB
LDO Noise
NLDO
VCC = 2.8V, IMIC = 300FA, f = 100Hz to
4000Hz
11
LDO Turn-Off Time
tOFF
VCC = 2.8V, RL = 2kI, VCAP from 90% to
10%
120
DIGITAL SIGNALS (MODE, SWD, DET)
Input-Voltage High
VIH
Input-Voltage Low
VIL
Input Leakage Current
IINLEAK
Output Logic-High Leakage
Current (Open Drain)
IOH_LKG
Output voltage = 5V
1.4
0.4
-1
+1
1
Output Logic-Low
DYNAMIC CHARACTERISTICS
MIC Low-Power Mode On-Time
MIC Low-Power Mode Period
DETIN Debounce Time
SEND/END Debounce Time
ESD PROTECTION
MIC, DETIN
All Other Pins
VOL
ISINK = 1mA
tMICLPO R_MIC = 5kI, MPLP
tMICLPP R_MIC = 5kI, MPLP
tDETINDEB Falling edge
tSEDEB
MAX14579E
MAX14579AE
Human Body Model
Human Body Model
0.4
120
8
300
1000
28
Q15
Q2
Note 2: All units are production tested at TA = +25NC. Specifications over temperature are guaranteed by design.
FVRMS
Fs
V
V
FA
FA
V
Fs
ms
ms
ms
kV
kV
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