Rainbow Electronics ISD5100 - Manual (Page 4)

ISD5100 – SERIES
- 4 -
3. BLOCK DIAGRAM
ISD5100-Series Block Diagram
AUX IN
AMP
1.
0 /
1.
4 /
2.
0 /
2.
8
AGC
SU
M1
MU
X
Vo
l MU
X
Filt
er MU
X
Low Pass
Filter
SUM1
FTHRU
INP
ANA O
U
T
M
U
X
VOL
SUM2
ANA IN
VOL
SP+
SP-
SPEAKER
AUX OUT
ANA OUT-
ANA OUT+
MIC+
MIC -
AGCCAP
MICROPHONE
AUX IN
XCLK
ANA IN
V
SSA
V
CCA
V
SSA
V
SSD
V
SSD
V
CCD
V
CCD
64-bit/samp.
ARRAY OUTPUT MUX
ARRAY IN
P
U
T
MU
X
Input
S
our
ce
M
U
X
Array I/O Mux
FILTO
SUM1
INP
ANA IN
SUM2
FILTO
SUM2
SUM1
Summing
AMP
ANA IN
AMP
0.
625/
0.
883/
1.
25/
1.
76
6dB
SUM2
Summing
AMP
Out
put
M
U
X
Volume
Control
MIC IN
AUX IN FILTO
ANA IN
SUM1
ANA IN
FILTO
SUM2
(ANALOG)
ARRAY
INP
SUM1 MUX
CTRL
(DIGITAL)
64-bit/samp.
ARRAY OUT
(ANALOG)
ARRAY OUT
(DIGITAL)
ARRAY
Spkr .
AMP
AUX
OUT
AMP
Power Conditioning
RAC INT SDA SCL A1 A0
Device Control
Internal
Clock
Multilevel/Digital
Storage Array
ANA
OUT
AMP
Σ
Σ
2
( ) VLS0
VLS1
2
( ) AIG0
AIG1
2
( ) AXG0
AXG1
2
( ) S1S0
S1S1
2 ( ) S1M0
S1M1
2
( ) S2M0
S2M1
( ) OPA0
OPA1
2 ( ) OPS0
OPS1
2
( ) FLD0
FLD1
2
(INS0) 1
1
(AXPD)
1
(AGPD)
1 (FLPD)
1 (FLS0)
1
(AIPD)
1
(AOPD)
( ) 3
AOS0
AOS1
AOS2
3
( )
VOL0
VOL1
VOL2
1 (V
LPD
)