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LM1818 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM1818
Description  Electronically Switched Audio Tape System
PDF  14 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM1818 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
18V
Package Dissipation (Note 1)
1560 mW
Storage Temperature
b
65 Cto a150 C
Operating Temperature
0 Cto a70 C
Junction Temperature
150 C
Minimum Voltage on Any Pin
b
01 VDC
Maximum Voltage on Pins 2 and 5
01 VDC
Maximum Current Out of Pin 14
5 mADC
Lead Temperature (Soldering 10 sec)
260 C
Electrical Characteristics VCC e 6V TA e 25 C See Test Circuits(Figures 2 and3)
Parameter
Conditions
Min
Typ
Max
Units
Operating Supply Voltage Range
35
18
VDC
Supply Current
Test Circuit
(Figure 2)
512
mA
Turn-ON Time
Externally Programmable
50
400
ms
Playback Signal to Noise
DIN Eq (3180 and 120 ms) 20 – 20 kHz
RS e 0 Unweighted VREF e 1mV
74
dB
at 400 Hz
Record Signal to Noise
Flat Gain 20 – 20 kHz RS e0
ALC OFF VREF e 1mV
69
dB
at 1 kHz Unweighted
Fast Turn-ON Charging Current
Pins 16 and 17
200
m
A
Record and Playback Preamplifier
f e 100 Hz
100
dB
Open Loop Voltage Gain
Preamplifier Input Impedance
Pin 16 or Pin 17
50
kX
Preamplifier Input Referred PSRR
1 kHz
Flat Gain
85
dB
Bias Voltage on Pin 18 in Play Mode
05
V
or Pin 15 in Record Mode
Monitor Amplifier Input
Pins 11 and 12
05
m
A
Bias Current
Monitor Amplifier Open
Record or Playback f e 100 Hz
80
dB
Loop Voltage Gain
Monitor Output Current Capability
Pins 9 and 10 Source Current Available
400
750
m
A
Monitor Amplifier Output Swing
RL e 10k AC Load
12
165
Vrms
THD All Amplifiers
At 1 kHz 40 dB Closed Loop Gain
005
%
Record-Playback Switching Time
As in Test Circuit
50
ms
Input ALC Range
D
VIN for DVOUT e 8dB
40
dB
Input Voltage on ALC Pin for
25
mVrms
Start of ALC Action
ALC Input Impedance
2kX
ALC Attack Time
C13 e 10 mF7
ms
ALC Decay Time
R17 e % C13 e 10 mF
30
sec
Meter Output Gain
100 mVrms at 1 kHz into Pin 4
800
mVDC
Meter Output Current Capability
2
mADC
Note 1
For operation in ambient temperatures above 25 C the device must be derated based on a 150 C maximum junction temperature and a thermal resistance
of 80 CW junction to ambient
2



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