st5092 STMicroelectronics, st5092 Datasheet - Page 2

• Manufacturer Part Number: st5092
• Description: 2.7v Supply 14-bit Linear Codec With High-performance Audio Front-end
• Manufacturer: STMicroelectronics

ST5092
PIN CONNECTIONS (Top view)
BLOCK DIAGRAM
2/29
MIC2+
MIC1+
MIC3+
MIC3-
MIC2-
MIC1-
GNDP
VFr+
VLr+
CCLK
VFr-
VLr-
V
V
N.C.
N.C.
V
V
CS-
CCA
CCP
V
V
D
BZ
Fr+
Lr+
CI
Fr-
Lr-
R
12dB
12dB
-1
-1
1
1
OE
EARA OUTPUT
EXTA OUTPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D94TL094
SO28
VS & TE
MIC PREAMP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+ MUTE
0 -> -30dB,
2dB STEP
20dB
D93 TL074
MIC3+
MIC3-
GNDA
MIC1+
MIC1-
MIC2+
MIC2-
LO
MCLK
FS
GND
D
CO
V
x
CC
RTE
SE
SI
1.5dB STEP
MIC AMP
0 -> 22.5
SIDETONE AMP
-12.5 -> -27.5dB
TONE AMP
0 -> -27dB
3dB STEP
1dB STEP
GNDP
VFr+
VLr+
N.C.
N.C.
N.C.
N.C.
N.C.
VFr-
VLr-
DR
(A)
(B)
DE
1
2
3
4
5
6
7
8
9
10
11
GNDP
44
12
PREFILTER &
TONE, RING
BANDPASS
BANDPASS
& FILTER
GENER.
& DTMF
FILTER
FILTER
43
13
GNDA
42
14
41
15
GND
40
16
TQFP44
VCCA
PCM ADC
PCM DAC
39
17
BE
38
18
VCC
CONTROL INTERFACE
37
19
CLOCK GENERATOR
INTERFACE LATCH
& SYNCHRONIZER
BUZZER
DRIVER
VCCP
36
20
-WIRE
TRANSMIT
REGISTER
REGISTER
35
21
RECEIVE
LEVEL ADJUST
EN
EN
34
22
(PWM)
33
32
31
30
29
28
27
26
25
24
23
D94TL095
MIC1-
N.C.
MIC2+
MIC2-
N.C.
N.C.
N.C.
LO
MCLK
FS
N.C.
MCLK
CCLK
CS-
DR
CO
DX
FS
LO
BZ
CI