...nd PC BEEP Inputs 2 Independent mic Inputs * Variable Sampling Rate Support 48k, 44.1k, 32k, 22.05k, 16k, 11.025k, 8k * Analog Output: Stere...agnd(AVss1, AVss2) and DGND(DVss1, DVss2) should be same voltage. Note 2: Supplying Digital Power, A...
Description
AC97 Codec Rev2.1 SRC AC97 MULTIMEDIA AUDIO CODEC WITH SRC
...ins) (Note 7) Input Resistance: mic (INTL1-0, INTR1-0, EXTL and EXTR pins) 6.5 10 14.5 k LINE (LIN, RIN pins) 80 125 176 Step Size mic LINE ...agnd
10
Figure 18. System Connection Diagram Note: - agnd and DGND of AK4565 should be distrib...
... J2 2 1 .22 Electret micROPHONE mic C8 R15 10K 13
+ -
+ 11 R20 120K
R21
220K
Input Preamp
C10 .001uF 5%
VDD
TP-1
C1...agnd
DGND
RSC-164 INSTRUCTION SET
The instruction set for the RSC-164 has 52 instructions com...
Description
GENERAL PURPOSE micROCONTROLLER FEATURING SPEECH RECOGNITION, SPEECH & MUSIC SYNTHESIS, SPEAKER VERIFICATION AND AUDIO RECORD/PLAYBACK Speech REcognition Synthesis Control
... GAIN CONTROL LOWPASS FILTER
mic
GAIN CONTROL LOWPASS FILTER AMPLIFIER
TX
DTMF Genera tor SCL STB SRxD STxD Serial Interface
TX...agnd TX TAUDOUT TAUDIN LPFIN VSAT VDAT TXACCIN
1 2 3 4 5 6 7
48 VREF 47 DEOUT 46 RBPFIN 45 RBP...
...AK4631VN, 16bit mono CODEC with mic/SPK amplifier. The AKD4631-VN can evaluate A/D converter and D/A converter separately in addition to loo...agnd] [DGND] (red ) (orange) (orange) (blue) (orenge) (black) (black) (black) = 5V = open = open = o...
................................12 mic - microphone Preamplifier Enable ...............................................12 TSD - Transmit Suppre...agnd MB 12.1 k Telephone Line Out 3300 pF
0.47 F Telephone Line In
1 0.1 F + 2
19
1 F
+
...
Description
From old datasheet system FULL DUPLEX SPEAKERPHONE CHIP
...lected AOUT = 1/2VDD (Excluding mic amplifier) mic amplifier -- -- -- VDD = 3.0 V SPIN SPOUT- (Loop resistor is not connected) fIN = 10 kHz...agnd
Figure 7.1 Avoid following power supply connections.
Power supply for the analog circuit ...
Description
Recording and Playback LSI with Built-in 2-Bit ADPCM2 Supported FIFO