NTE1689 Ver la hoja de datos (PDF) - NTE Electronics
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NTE1689 Datasheet PDF : 2 Pages
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NTE1689
Integrated Circuit
Head Amp Circuit for VCR
Features:
D The Function Consist of:
Video Signal Pre–Amplifier Circuit
Head Switchover Circuit
Drop–Out Compensation Circuit
RF AGC Circuit
D Low–Noise Head Amplifier
D Supply Voltage: 5V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Electrical Characteristics: (VCC = 5V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ
Circuit Current
Channel 1 Gain
I1
GV4–10
f = 1MHz
8
–
52.5 –
Channel 2 Gain
GV8–10 f = 1MHz
52.5 –
AGC Output Amplitude
AGC Control Sensitivity
Output Amplifier Gain
DOC Amplifier Gain
vo(AGC•12) f = 4MHz
∆vo(AGC•12) f = 4MHz
GV13–17 f = 4MHz
GV18–17 f = 4MHz
170 –
–
–
0.05 –
10.5 –
DOC Sensitivity ON
DOC Sensitivity OFF
PG Input Sensitivity
Noise Voltage Referred to Input
S13–1
S13–2
S2
Vni1
f = 4MHz
f = 4MHz
1MHz BPF
–
–
–10.8 –
–
–
–
–
Vni2
1MHz BPF
–
–
Max
20
62.5
62.5
330
2.5
2.7
14.0
–19
–
3
1
1
Unit
mA
dB
dB
mVP–P
dB
dB
dB
dB
dB
V
µVrms
µVrms
Note 1. Operating supply voltage range: VCCopr = 4.5V to 5.5V.
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