NTE1263
Integrated Circuit
Record/Playback Circuit for VCR
Features:
D Recording/Playback Circuit with Minor Modifications in Peripheral Circuitry
D Wide Application: Capable of Mic. Mixing and Variable Sound Monitoring
D Wide Suply Voltage Range: 3V to 14V
D Built−in AGC Circuit of Wide Control Range and Low Distortion
D High Density Integration, Low Noise
Absolute Maximum Ratings: (TA = +25°C, unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Circuit Voltage, V1−4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1V
Circuit Voltage, V6−4, V7−4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V
Circuit Voltage, V11−4, V12−4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Circuit Voltage, V13−4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V
Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38mA
Power Dissipation (TA ≤ 70°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550mW
Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C
Electrical Characteristics: (TA = +25°C, VCC = 12V, f = 1kHz unless otherwise specified)
Parameter
Output Voltage (Line Amp)
Output Voltage (Rec. Amp)
Total Harmonic Distortion
Closed Circuit Voltage Gain
Symbol
Test Conditions
Min Typ Max Unit
VO(L)
2.8 3.2
2.8 3.2
−
−
Vrms
Vrms
%
Vi = 2.5mVconst
THD = 3% Output
Vi = 2.5mVconst
VO(R)
THD(1)
GVC
−
0.1 0.3
62
47
66
53
70
dB
dB
V
Open Circuit Voltage Gain (EQ Amp) GVO(E)
−
VO(1)
VO(2)
THD(2)
Vno
Vi = 0.25mVconst
0.35 0.55 0.70
Output Voltage (AGC)
0.5 0.8
1
1
6
V
Vi = 25mVconst, AGC 40dB
Total Harmonic Distortion (AGC)
Output Noise Voltage
−
−
−
−
−
0.2
3
%
Rg = 2.2kΩ, f = 20Hz to 20kHz
mV
Total Circuit Current
Itot
AGC Circuit Off
21
30 mA
Input Impedance (EQ Amp)
Input Impedance (Tone Amp)
Zi(E)
100
100
−
−
kΩ
kΩ
Zi(T)