MX93002 Просмотр технического описания (PDF) - Macronix International
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MX93002 Datasheet PDF : 35 Pages
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MX93002
PIN DESCRIPTION
SYMBOL PIN PIN NBR.
DESCRIPTION
TYPE PQFP
(PLCC)
CP I (D) 1 (18) the output of internal PLL charge pump circuits; see the end of page 21 about lock-
in
time spec.
PVDD P (D) 2 (19) digital power supply; 5V power supply for internal PLL charge pump circuits
VCOMP I (A) 3 (20) the reference voltage for POW and BAT comparators use
POWB O (A) 4 (21) the output of POW comparator; active low
VPOW I (A) 5 (22) the Non-inverting input of POW comparator; the voltage is divided from system DC
power for comparison with VCOMP; with 7V Surge Protect
BATB O (A) 6 (23) the output of BAT comparator; active low
VBAT I (A) 7 (24) the Non-inverting input of BAT comparator; the voltage is divided from battery
power for compare with VCOMP; with 7V surge protect
LOUTP O (A) 8 (25) the Non-inverting output of LIN-DRV with PGA; PGA from 0 to 22.5dB; 1.5dB/step
LOUTN O (A) 9 (26) the Inverting output of LIN-DRV with PGA; PGA from 0 to 22.5dB; 1.5dB/step
AVDD P (A) 10 (27) analog power supply; 5V power supply for all internal analog circuits
AGND P (A) 11 (28) analog power ground
VBG O (A) 12 (29) band-gap reference; nominal 1.25VW and should not be used to sink or source
current
AG O (A) 13 (30) internal analog signal ground; nominal 2.25VW and should not be used to sink or
source current
VREF O (A) 14 (31) voltage reference; nominal 2.25VW and can sink 450uA
MIC I (A) 15 (32) microphone input with PRE-PGA; PGA from -15 to 21dB;see NOTE 1
LIN I (A) 16 (33) telephone line signal input with PRE-PGA; PGA from -15 to 21dB; see NOTE 1
AUX1 I/O (A) 17 (34) auxiliary signal input with PRE-PGA; PGA from -15 to 21dB; see NOTE 1
PGAC1 O (A) 18 (35) programmable gain amplifier (PRE-PGA) compensative capacitor
ALCRC O (A) 19 (36) automatic level control (ALC) time constant; see FIG. 5
ALCC1 O (A) 20 (37) automatic level control (ALC) DC blocking capacitor output
ALCC2 O (A) 21 (38) automatic level control (ALC) DC blocking capacitor input
FILT I/O (A) 22 (39) 1. anti-aliasing filter; 2. as an I/O port for AIN (A/D input)
PGAC2 O ( A ) 23 (40) Programmable Gain Amplifier Offset Capacitor
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