NTE1268 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit DC Servo Circuit for VCR

NTE1268
Integrated Circuit
DC Servo Circuit for VCR
Description:
The NTE1268 is an integrated circuit in a 28–Lead DIP type package designed for DC Servo Control
Circuits in VCR’s.
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage (V_5–24), V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Power Dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 640mW
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Electrical Characteristics: (T_A = +25°C, V_CC = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Total Circuit Current
Trapezoidal Reference Voltage
Output Voltage
FF–II
Trapezoidal I
I_5–2
V_16–24
V_23–24
V_17–24
23 31 41 mA
0.77 1.0 1.2 V
10.0 10.9 –
V
2.4 3.0 3.6 V
Trapezoidal II
V_17–24
11.0 11.9 –
V
S & H–I
V_12–24
– 240 500 mV
S & H–II
V_12–24
8.0 8.8 –
V
Gate–II
V_10–24
9.0 10.0 –
V
Input Sensitivity
MM
Trapeziodal
V_22–24
V_15–24
3.5 –
4–
– V_O–P
– V_O–P
Gate
S&H
DET–I
V_7–24
V_is(14)
V_is(28)
f = 30Hz, PW = 100µs
400Hz, 1/2 Sampling Sine Wave, t_d = 1ms
3.5 –
1.5 –
50 –
– V_O–P
– V_O–P
– mV_O–P
DET–II
V_is(2)
50 –
– mV_O–P
FG
V_is(4) f = 400Hz
100 –
– mV_P–P
FF
V_is(25) f = 30Hz, Rectangular Wave
3
–
– V_O–P