NTE NTE1263

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
Symbol
Min
Typ Max Unit
2.8
3.2
−
Vrms
2.8
3.2
−
Vrms
−
0.1
0.3
%
GVC
62
66
70
dB
GVO(E)
47
53
−
dB
Output Voltage (Line Amp)
VO(L)
Output Voltage (Rec. Amp)
VO(R)
Total Harmonic Distortion
Closed Circuit Voltage Gain
Open Circuit Voltage Gain (EQ Amp)
Output Voltage (AGC)
Total Harmonic Distortion (AGC)
THD(1)
Test Conditions
Vi = 2.5mVconst
THD = 3% Output
O t t
Vi = 2.5mVconst
VO(1)
Vi = 0.25mVconst
0.35 0.55 0.70
V
VO(2)
Vi = 25mVconst,, AGC 40dB
0.5
0.8
1
V
−
0.2
1
%
THD(2)
Output Noise Voltage
Vno
Rg = 2.2kΩ, f = 20Hz to 20kHz
−
3
6
mV
Total Circuit Current
Itot
AGC Circuit Off
−
21
30
mA
Input Impedance (EQ Amp)
Zi(E)
−
100
−
kΩ
Input Impedance (Tone Amp)
Zi(T)
−
100
−
kΩ
Pin Connection Diagram
Rec/PB Switch
1
16
Audio Input
Rec/PB Switch
2
15
Rec/PB Switch
Rec/PB Switch
3
14
Rec/PB Switch
Rec/PB Equalization
4
13 Decoupled VCC
Rec/PB Equalization
5
12
VCC
Rec/PB Equalization
6
11
VCC
Rec/PB Equalization
7
10
Audio Output
N.C.
8
9
Rec/PB Switch
16
9
1
8
.870 (22.0)
Max
.260
(6.6)
Max
.200 (5.08)
Max
.100 (2.54)
.700 (17.78)
.099 (2.5) Min