GM3036(2000) 查看數據表（PDF） - Gennum -> Semtech
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GM3036 Datasheet PDF : 8 Pages
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VB
7
C3
C4
0µ1
10n
GM3036
1
Any
Knowles or
Microtronic
microphone
3
2
C2
0µ1
R2
49k5
C1
0µ2
VBAT
CSAD
CFAD
200k
R3
200k
R6
1:1
4:1
RHI
RLO
2M
1M
REGULATOR
VREG
SLOW
AVERAGE
DETECTOR
FAST
AVERAGE
DETECTOR
RTH
CONTROL
3k3
R
AGC_IN
IN
10k
GND
-A
AOUT
1
RECTIFIER
X
VB
12k
REC
24 dB / Oct
BAND SPLIT
FILTER
13k1
RFC
RH
High Frequency
Expander / Compressor
RL
Low Frequency
Expander / Compressor
FOUT
48k
OUT
-B
-C
11k 48k
BIN
BOUT
MPO
VB
C5
6
0µ1
OUT
2µ2
Any
Knowles
class D
integrated
receiver
8
PGI
All resistors in ohms,
all capacitors in microfarads,
unless otherwise stated.
VB = 1.3V
R1
69k5
C7
0µ1
Fig. 2 Typical Application Circuit
R4
200k
C6
0µ2
R7
500k
4
5
RVC
100k LOG
R5
100k
7
C3
C4
0µ1
10n
GM3036
1
2µ2
VIN =
-80dBV
3
Pink
Noise
Generator
2
to
programmer 8
C2
0µ1
R2
49k5
C1
0µ2
PGI
VBAT
CSAD
CFAD
200k
R3
200k
R6
1:1
4:1
RHI
RLO
2M
1M
REGULATOR
VREG
SLOW
AVERAGE
DETECTOR
FAST
AVERAGE
DETECTOR
RTH
CONTROL
3k3
R
AGC_IN
IN 10k
GND
-A
AOUT
1
RECTIFIER
X
VB
12k
REC
24 dB / Oct
BAND SPLIT
FILTER
13k1
RFC
RH
High Frequency
Expander / Compressor
48k
OUT
-B
-C
RL
Low Frequency
Expander / Compressor
FOUT BIN
11k 48k
BOUT
MPO
R1
69k5
R4
200k
R7
500k
R5
100k
C7
All resistors in ohms,
all capacitors in microfarads,
0µ1
unless otherwise stated.
C6
0µ2
4
5
TABLE OF DEFAULTS
Fig. 3 Characterization Circuit (Used to generate typical curves)
C5
6
0µ1
50k
R1 - Tap 8
R2 - Tap 0
R3 - Tap 0
R4 - Tap 2
R5 - Tap 15
R6 - Tap 0
R7 - Tap 23
521 - 74 - 05
4
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