NTE NTE1689 Datasheet

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

NTE1689

Integrated Circuit

Head Amp Circuit for VCR

Absolute Maximum Ratings:

Supply Voltage, V
Power Dissipation, P

CC

D

(TA = +25°C unless otherwise specified)

Operating Ambient Temperature Range, T
Storage Temperature Range, T

Electrical Characteristics:

Parameter Symbol Test Conditions Min Typ Max Unit

Circuit Current I
Channel 1 Gain G
Channel 2 Gain G
AGC Output Amplitude v
AGC Control Sensitivity ∆v
Output Amplifier Gain G
DOC Amplifier Gain G
DOC Sensitivity ON S
DOC Sensitivity OFF S
PG Input Sensitivity S
Noise Voltage Referred to Input V

stg

(VCC = 5V, TA = +25°C unless otherwise specified)

1
V4–10
V8–10

o(AGC•12)

o(AGC•12)

V13–17
V18–17

13–1
13–2

2

ni1

V

ni2

opr

–20° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8 – 20 mA
f = 1MHz 52.5 – 62.5 dB
f = 1MHz 52.5 – 62.5 dB
f = 4MHz 170 – 330 mV
f = 4MHz – – 2.5 dB
f = 4MHz 0.05 – 2.7 dB
f = 4MHz 10.5 – 14.0 dB
f = 4MHz – – –19 dB
f = 4MHz –10.8 – – dB

– – 3 V
1MHz BPF – – 1 µV
1MHz BPF – – 1 µV

6V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

160mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

P–P

rms
rms

Note 1. Operating supply voltage range: VCCopr = 4.5V to 5.5V.

Pin Connection Diagram

V

PG Input

Damping (1)
FM Input (1)

CC

1
2

3
4
5GND
6FM Input (2)
7Damping (2)
8Reference Voltage
9AGC Detect 10

18 10

18

DOC Amp Input
FM Output

17
16

DOC Detect

15

DOC Pulse

14

GND
DOC Input

13

FM Equalizer

12

FM Output

11

Chroma Output

19

.870 (22.1) Max

.250

(6.35)

.150

(3.8)

.100 (2.54) .125 (3.17) Min

.800 (20.3)