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Motorola Electronic Components Datasheet

MC3340 Datasheet

ELECTRONIC ATTENUATOR

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Electronic Attenuator
The MC3340 is a simple but very effective electronic attenuator. This
device offers up to 80 dB of attenuation control for frequencies to 1.0 MHz.
THD (distortion) is less than 1% – up to 15 dB attenuation and less than 3% –
up to 40 dB.
Typical uses include instrumentation control, remote control audio
amplifiers, electronic games, and CATV (cable TV) set–top converter audio
control.
Designed for use in:
DC Operated Volume Control
Compression and Expansion Amplifier Applications
Controlled by DC Voltage or External Variable Resistor
Economical 8–Pin Dual–In–Line Package
MC3340
ELECTRONIC ATTENUATOR
SEMICONDUCTOR
TECHNICAL DATA
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)
Rating
Symbol
Value
Power Supply Voltage
Power Dissipation @ TA = 25°C
Derate above TA = 25°C
VCC
PD
20
1.2
10
Operating Ambient Temperature Range
TA 0 to 75
NOTE: ESD data available upon request.
Unit
Vdc
W
mW/°C
°C
8
1
P SUFFIX
PLASTIC PACKAGE
CASE 626
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC3340P
TA = 0 to 75°C
Plastic DIP
Figure 1. Typical DC Remote Volume Control
1.0 µF 1
VCC
8
MC3340
7
2
+
50 µF
36
620 pF
eo
Remotely
Located
Potentiometer
50k
RC
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1998
Rev 6
1


Motorola Electronic Components Datasheet

MC3340 Datasheet

ELECTRONIC ATTENUATOR

No Preview Available !

MC3340
ELECTRICAL CHARACTERISTICS (ein = 100 mVrms, f = 1.0 kHz, VCC = 16 Vdc, TA = +25°C, unless otherwise noted.)
Circuit
Characteristics
Min Typ Max
ein 1
1.0 µF
2
+
50 µF
+
V2 3
VCC
8
7
eo
6
620 pF
Operating Power Supply Voltage
9.0 – 18
Control Terminal Sink Current, Pin 2
(ein = 0)
Maximum Input Voltage
– – 2.0
– – 0.5
Voltage Gain
11 13
Attenuation Range from Maximum Gain 70 80
(V2 = 6.5 Vdc)
Total Harmonic Distortion (Pin 2 Gnd)
(ein = 100 mVrms, eo = Av ein)
– 0.6 1.0
Unit
Vdc
mAdc
Vrms
dB
dB
%
Figure 2. Representative Schematic Diagram
5.1 k 5.1 k
4.7 k 750
750
8
VCC
6.2 k 5.1k
6
Roll–off
200
5.1 k
7
Output
2
Control
10k 3.9 k
5.1 k
5.1 k
3
1
Input
20 k
510 1.3 k 1.5 k 510
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number MC3340
Description ELECTRONIC ATTENUATOR
Maker Motorola
PDF Download

MC3340 Datasheet PDF






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