GM3038 Ver la hoja de datos (PDF) - Gennum -> Semtech
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GM3038 Datasheet PDF : 8 Pages
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ELECTRICAL CHARACTERISTICS continued
Refer to ER102 Data Sheet for GM3038 communication and SDA pin Electrical Characteristics
Conditions: Supply Voltage VB = 1.3 V, Frequency = 1 kHz, Temperature = 25°C
The programmable parameters are adjusted to the following set values unless otherwise specified. (MPO) R2 - set 0; (TH) R3 - set 15;
(FC) R4 - set 7; (HP) R5 - set 0; (LP) R6 - set 0
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
STAGE A and B
-
-
Open Loop Gain (B)
Input Impedance (A)
OUTPUT STAGE
AOL_B
RIN
-
52
9
11
Stage Gain
Max Output Level
MPO Range
Output Resistance
AC
MPO
∆MPO
ROUT
VIN=-30dBV
RVC=220kΩ,VIN=-25dBV
R2 - set 0 to set 11
7
-14.5
13
-
9
-12.5
15
24
All conditions and parameters remain as shown in the Test Circuit unless otherwise specified in the CONDITIONS column.
MAX
-
-
13
UNITS
dB
kΩ
11
dB
-10.5
dBV
17
dB
-
kΩ
VB
7
C1
2µ2
0µ1
VB
1
C6 C5
VDD
0µ22 10n
R5S R5R
R5
VB
CSAD
CFAD
1:1A 1:1B 1MΩ 4:1
18
7 1M
2 1M
16
5
VREG 8 REGULATOR
SLOW
AVERAGE
DETECTOR
53.5kΩ
FAST
AVERAGE
DETECTOR
85.6kΩ
R6R
R6S
R6
RHI RLO
4
3
600kΩ
GM3038
ER102
3.9k
6
RTH 19
R3R
50k
R3
C2
150kΩ
11
10k
0µ2
IN
8
VSS
9
GND
SDA
5
SDA
CONTROL
R
AGC_IN
-A
10
AOUT
1
RECTIFIER
X
24 dB / Oct
BAND SPLIT
FILTER
12k
12
REC
14k
13
RFC
VB
RH
High Frequency
Expander / Compressor
RL
Low Frequency
Expander / Compressor
R4
300kΩ
14
FOUT
48k
OUT C4
-B
-C
20
2
0µ1
48k
50k
8k4
16
17
BIN
BOUT
15 MPO
R2
R2R
150kΩ
C3
R4R
C7
Table of Defaults
R2 - set 0
R3 - set 15
R4 - set 7
R5 - set 0
R6 - set 0
0µ1
All resistors in ohms, all capacitors in farads unless otherwise stated
Fig. 1 Production Test Circuit
0µ22
4
BIN
RVC
3
BOUT
100kΩ
3
521 - 62 - 04
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