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Спецификация NTE1633 изготовлена «NTE» и имеет функцию, называемую «Integrated Circuit TV Sound Channel w/DC Controls». |
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Детали детали
Номер произв | NTE1633 |
Описание | Integrated Circuit TV Sound Channel w/DC Controls |
Производители | NTE |
логотип |
4 Pages
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NTE1633
Integrated Circuit
TV Sound Channel w/DC Controls
Description:
The NTE1633 is a complete TV sound channel in a 20–Lead DIP type package with DC tone and vol-
ume controls plus separate VCR input and output connections. Supplied in a 20–pin DIP, the device
delivers an output power of 4W into 16Ω (d = 10%, VS = 24V) or 1.5W into 8Ω (d = 10%, VS = 12V).
Included in the NTE1633 are: IF amplifier limiter, active low–pass filter, AF preamplifier and power
amplifier, turnoff muting, mute circuit and thermal protection.
High output, high sensitivity, excellent AM rejection and low distortion make the device suitable for
use in TVs of almost any type. Further, no screening is necessary because the device is free of radi-
ation problems.
Features:
D Separate VCR Input and Output Pins
D 4W Output Power into 16Ω
D No Screening Required
D High Sensitivity
D Excellent AM Rejection
D Low Distortion
D DC Tone/Volume Controls
D Thermal Protection
Absolute Maximum Ratings:
Supply Voltage (Pin18), VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28V
Voltage at Pin1, Vi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±VS
Input Voltage (Pin2), Vi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Vpp
Output Peak Current, IO
Repetitive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A
Non–Repetitive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Current (Pin4), I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Power Dissipation (Tpins = +90°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3W
Power Dissipation (TA = +70°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0W
Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to 150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to 150°C
Maximum Thermal Resistance, Junction–to–Pins, RthJPins . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14°C/W
Maximum Thermal Resistance, Junction–to–Ambient (Note 1), RthJA . . . . . . . . . . . . . . . . . . 80°C/W
Note 1. Obtained with GND pins soldered to printed circuit with minimized copper area.
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Electrical Characteristics: VS = 24V, S1: ON, ∆f = ± 25kHz, Vi = 1mV, P1 = 12kΩ, fo = 4.5MHz,
fm = 400Hz, TA = +25°C unless otherwise indicated)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
DC Characteristics
Supply Voltage (Pin18)
Quiescent Output Voltage (Pin18)
DC Voltage (Pin1)
DC Voltage (Pin4)
Quiescent Drain Current (Pin4)
IF Amplifier & Detector
VS P2 = 12kΩ
VO
V1 P2 = 12kΩ, R1 = 270kΩ
V4 P2 = 12kΩ
Id
10.8 –
11 12
– 5.3
– 3.2
– 32
27 V
13 V
–V
–V
– mA
Input Limiting Voltage @ Pin2 (–3dB)
Recovered Audio Voltage (Pin9)
Amplitude Modulation Rejection
Input Resistance (Pin2)
Input Capacitance (Pin2)
De–Emphasis Resistance
DC Volume Control
Vi(threshold)
V9
AMR
Ri
Ci
R9
VO = 4Vrms
∆f = ± 7.5kHz, P2 = 12kΩ
m = 0.3, V1 = 1mV,
VO = 4Vrms, Note 2
∆f = 0, P2 = 12kΩ
C1 = 60 to 888nF
– 50 100 µV
140 200 280 mV
– 60 – dB
– 30 – kΩ
– 6 – pF
0.75 1.1 1.5 kΩ
Volume Attenuation
(Resistance Control)
Control Voltage
KV P2 = 0Ω
P2 = 4.3kΩ
P2 = 12kΩ
VC K = 0dB
K = 26dB
– 0 – dB
20 26 32 dB
– 88 – dB
– 0 –V
– 1.3 – V
K = 88dB
– 2.6 – V
Volume Attenuation Thermal Drift
(Resistance Control)
DC Tone Control
∆KV
∆Tpins
Tpins = +25° to +85°C,
P2 = 4.3kΩ
– –0.05 –
dB
°C
Tone Cut
Audio Frequency Amplifier
KT S1: OFF, V10 = 200mV,
P1 = 12kΩ to 100kΩ,
fAF = 10kHz
– 14 – dB
Output Power (d = 10%)
Frequency Response of Audio
Amplifier (–3dB)
Supply Voltage Rejection
PO
B
SVR
VS = 24V, RL = 16Ω
VS = 12V, RL = 8Ω
PO = 1W, RL = 16Ω,
S1: OFF, V10 = 200mV
VO = 4Vrms, @ 400Hz
P2 = 12kΩ, ∆ f =0,
fripple = 120Hz
3.5 4.1
– 1.5
15 50
–W
–
– kHz
– 26 – dB
Note 2. Test Bandwidth = 20kHz
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Electrical Characteristics (Cont’d): VS = 24V, S1: ON, ∆f = ± 25kHz, Vi = 1mV, P1 = 12kΩ,
fo = 4.5MHz, fm = 400Hz, TA = +25°C unless otherwise indicated)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
VCR
Total Harmonic Distortion of
Pin9 Output Signal
d ∆ f = ±7.5kHz, Vi = 1mV
– 0.5 – %
Supply Voltage Rejection at
Output Pin9
SVR ∆f = 0, fripple = 120Hz, P2 = 12kΩ
– 66 – dB
Signal–to–Noise Ratio at
Output Pin9
S + N ∆f = ±25kHz, VI ≥ 1mV
N
– 70 – dB
Input Voltage (Playback)
V10 Vo = 4Vrms, P2 = 0, S1: OFF
50 70 100 mV
Input Resistance (Playback) R10 S1: OFF
10 – – kΩ
Total Harmonic Distortion for
20dB Overload of V10
d S1: OFF, V10 = 1Vrms, VO = 4Vrms – 0.5 2.0 %
Overall Circuit
Signal–to–Noise Ratio
S + N Vi ≥ 1mV, VO = 4Vrms, ∆f = 0, Note 2 – 70 – dB
N
Distortion
d PO = 50mW, VS = 24V, RL = 16Ω – 0.5 – %
∆f = ±7.5Hz,
Note 2
VS = 12V, RL = 8Ω – 0.5 – %
Muting
Deviation Sensitivity
M VO = 4Vrms @ no V1; V1 = 0, Note 2 – 100 – dB
∆f P2 = 0 VO = 4Vrms
– 3 6 kHz
Note 2. Test Bandwidth = 20kHz
Pin Connection Diagram
Turn–Off Muting 1
Sound IF Input 2
IF Decoupling 3
IF Decoupling 4
GND 5
GND 6
Detector (FM) 7
Detector (FM) 8
De–Emphasis & VCR Output 9
VCR Input 10
20 AF PA Input
19 AF PA Feedback
18 VCC
17 AF PA Output
16 GND
15 GND
14 DV VC Output
13 Volume Control
12 Tone Control
11 Tone Control Capacitor
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