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NTE1651 Datasheet Preview

NTE1651 Datasheet

Integrated Circuit Dual Preamp for Tape Recorder

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NTE1651 pdf
NTE1651
Integrated Circuit
Dual Preamp for Tape Recorder
Description:
The NTE1651 is a dual preamplifier with ALC and muting in a 16–Lead DIP type package designed
for use in the record/playback amplifier of a tape recorder. This device is suitable for stereo set and
radio–cassette recorder applications.
Features:
D Built–In ALC Detector Circuit
D Built–In Muting Circuit
D Operating Supply Voltage Range: VCC = 6V to 15V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6mW/°C
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Typical DC Voltage (Each Terminal): (TA = +25°C, VCC = 9V, Note 1 unless otherwise specified)
Pin1 (Rec. GND), V1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
Pin2 (VS), V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.2V
Pin3 (Mute Out), V3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
Pin4 (Rec. Out Ch1), V4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3V
Pin5 (Pre. Out & Rec In), V5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3V
Pin6 (Pre. In NF), V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3V
Pin7 (Pre. In), V7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
Pin8 (ALC), V8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.9V
Pin9 (Pre. GND), V9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
Pin10 (Pre. In), V10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
Pin11 (Pre. In NF), V11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3V
Pin12 (Pre. Out & Rec. In), V12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3V
Pin13 (Rec. Out), V13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3V
Pin14 (Mute Out), V14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
Pin15 (Mute In), V15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4V
Pin16 (VCC), V16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.0V
Note 1. Terminal voltage at no signal.



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NTE1651 Datasheet Preview

NTE1651 Datasheet

Integrated Circuit Dual Preamp for Tape Recorder

No Preview Available !

NTE1651 pdf
Electrical Characteristics: (TA = +25°C, VCC = 9V, f = 1kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Preamplifier
ICCQ
VIN = 0
7 9 mA
Open Loop Voltage Gain
Max. Output Voltage
GVO
VOM
VIN = 80dBm
THD = 1%
65 78 dB
0.5 0.8 Vrms
Total Harmonic Distortion
Output Noise Voltage
Crosstalk
Rec. Amplifier
THD
VNO
CT
VO = 0.2Vrms
Rg = 2.2k, 30Hz to 20kHz
Rg = 2.2k
0.15 0.5 %
0.26 0.6 mVrms
47 60 dB
Closed Loop Voltage Gain
GV RL = 10k
12.7 14.7 16.7 dB
Max. Output Voltage
Total Harmonic Distortion
ALC Range
Total Harmonic Distortion (ALC)
ALC Voltage
Muting Attenuation
VOM THD = 1%
THD VO = 1.5Vrms
RALC VIN = 60dB, RIN = 2.2k, Note 2
THD (ALC) VIN = 20dBm, RIN = 2.2h,
VO(ALC) RL = 10k
ATT
2.0 2.5 Vrms
0.2
%
45 dB
0.3 1.0 %
0.9 1.1 1.42 Vrms
45 55 dB
ALC balance
BALC VIN = 20dBm
0 2 dB
Note 2. Input voltage range from VIN = 60dB to output voltage VOUT 3dB up.
Pin Connection Diagram
GND 1
VVS 2
Ch 1 Mute Output 3
Ch 1 Record Output
Ch 1 Preamp Output
& Record Input
Ch 1 Preamp
Input NFB
Ch 1 Preamp Input
4
5
6
7
ALC 8
16 VCC
15 Mute Input
14 Ch 2 Mute Output
13 Ch 2 Record Output
12
Ch 2 Preamp Output
& Record Input
11
Ch 2 Preamp
Input NFB
10 Ch 2 Preamp Input
9 Preamp GND


Part Number NTE1651
Description Integrated Circuit Dual Preamp for Tape Recorder
Maker NTE
Total Page 3 Pages
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