NTE NTE1701

NTE1701
Integrated Circuit
VCR Cylinder Servo Control Circuit
Features:
D Phase Control Circuit
D Speed Control Circuit
D CTL Amplifier
D Capstan PG Amplifier
D Sample Hold Type Speed Control
D Supply Voltage Either 9V or 12V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, V1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Power Dissipation (TA = +70°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 880mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Electrical Characteristics: (TA = +25°C ±2°C, VCC = 12V unless otherwise specified)
Parameter
Circuit Current
Symbol
I1
Test Conditions
Min
Typ
Max
Unit
V1–7 = 12V
33
–
65
mA
Vi Pin23 1VO–P, Vi Pin24 30Hz, Duty 4%
1
–
–
VO–P
PG (–) Amp Input Sensitivity
S24
PG (+) Amp Input Sensitivity
S23
1
–
–
VO–P
Cap PG Amp Input Sensitivity
S3
50
–
–
mVO–P
VSS Amp Input Sensitivity
S25
2
–
–
VO–P
REC/PB Select Sensitivity
V28
5
–
–
V
Phase System Trapezoidal Wave
Reference Voltage
V17
2.7
–
3.7
V
9
–
–
V
–
–
600
mV
Head SW Output Voltage, High
V20–H
Head SW Output Voltage, Low
V20–L
REC CTL Amp Output Voltage, High
V6–H
8
–
–
V
REC CTL Amp Output Voltage, Low
V6–L
–
–
1
V
S/H 1 Output Voltage, High
V15–H
9
–
–
V
S/H 1 Output Voltage, Low
V15–L
–
–
600
mV
Pin24 2VP–P 30Hz, Duty 96%,
Pin23 2VP–P 30Hz, Duty 4%
Note 1. Operating supply voltage range, VCC(opr) = 8.8V to 13V.
Electrical Characteristics (Cont’d): (TA = +25°C ±2°C, VCC = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
CTL Amp Gain
B2
62
–
70
dB
FG Amp Input Sensitivity
S14
100
–
–
mVP–P
Speed System Trapezoidal
Reference Voltage
V10
2.7
–
3.7
V
S/H 2 Output Voltage, High
V8–H
10
–
–
V
S/H 2 Output Voltage, Low
V8–L
–
–
1.8
V
Cap PG Output Voltage, High
V2–H
44
–
6.6
V
Cap PG Output Voltage, Low
V2–L
–
–
600
mV
Note 1. Operating supply voltage range, VCC(opr) = 8.8V to 13V.
Pin Connection Diagram
VCC
1
28 REC/PB Select
Cap PG Output
2
27 1/2 VSS Mono Multi
Cap PG Input 3
Control Amp 4
Feedback
GND 5
Control Output 6
& Input
GND 7
Sample & Hold
Output 8
Sample & Hold 9
Capacitance
Trapezoid Reference 10
Trapezoid Cap 11
GND 12
Speed Mono Multi 13
Cylinder FG Input 14
26 N.C.
25 VSS Input
24 PG Input (–)
23 PG Input (+)
22 PG Mono Multi
21 PG Mono Multi
20 Head Switch Output
19 REC Shifter Mono Multi
18 Trapezoid Output
17 Trapezoid Reference
16 Sample & Hold
Capacitance
15 Sample & Hold Output
14
1
15
28
1.469 (37.32) Max
.540
(13.7)
.250
(6.35)
.100 (2.54)
1.300 (33.02)
.122
(3.1)
Min
.600
(15.24)