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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 volume controls plus separate VCR input and output connections. Supplied in a 20-pin DIP, the device delivers an output power of 4W into 16 (d = 10%, VS = 24V) or 1.5W into 8 (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 radiation problems. Features: D Separate VCR Input and Output Pins D 4W Output Power into 16 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 = +90C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3W Power Dissipation (TA = +70C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0W Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to 150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to 150C Maximum Thermal Resistance, Junction-to-Pins, RthJPins . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14C/W Maximum Thermal Resistance, Junction-to-Ambient (Note 1), RthJA . . . . . . . . . . . . . . . . . . 80C/W Note 1. Obtained with GND pins soldered to printed circuit with minimized copper area.
Electrical Characteristics: VS = 24V, S1: ON, f = 25kHz, Vi = 1mV, P1 = 12k, fo = 4.5MHz, fm = 400Hz, TA = +25C unless otherwise indicated)
Parameter DC Characteristics Supply Voltage (Pin18) Quiescent Output Voltage (Pin18) DC Voltage (Pin1) DC Voltage (Pin4) Quiescent Drain Current (Pin4) IF Amplifier & Detector Input Limiting Voltage @ Pin2 (-3dB) Vi(threshold) VO = 4Vrms Recovered Audio Voltage (Pin9) Amplitude Modulation Rejection Input Resistance (Pin2) Input Capacitance (Pin2) De-Emphasis Resistance DC Volume Control Volume Attenuation (Resistance Control) KV P2 = 0 P2 = 4.3k P2 = 12k Control Voltage VC K = 0dB K = 26dB K = 88dB Volume Attenuation Thermal Drift (Resistance Control) DC Tone Control Tone Cut KT S1: OFF, V10 = 200mV, P1 = 12k to 100k, fAF = 10kHz VS = 24V, RL = 16 VS = 12V, RL = 8 Frequency Response of Audio Amplifier (-3dB) Supply Voltage Rejection B PO = 1W, RL = 16, S1: OFF, V10 = 200mV VO = 4Vrms, @ 400Hz P2 = 12k, f =0, fripple = 120Hz - 14 - dB KV Tpins Tpins = +25 to +85C, P2 = 4.3k - 20 - - - - - 0 26 88 0 1.3 2.6 -0.05 - 32 - - - - - dB dB dB V V V dB C V9 AMR Ri Ci R9 C1 = 60 to 888nF f = 7.5kHz, P2 = 12k m = 0.3, V1 = 1mV, VO = 4Vrms, Note 2 f = 0, P2 = 12k - 140 - - - 0.75 50 200 60 30 6 1.1 100 280 - - - 1.5 V mV dB k pF k VS VO V1 V4 Id P2 = 12k, R1 = 270k P2 = 12k P2 = 12k 10.8 11 - - - - 12 5.3 3.2 32 27 13 - - - V V V V mA Symbol Test Conditions Min Typ Max Unit
Audio Frequency Amplifier Output Power (d = 10%) PO 3.5 - 15 4.1 1.5 50 - - - kHz W
SVR
-
26
-
dB
Note 2. Test Bandwidth = 20kHz
Electrical Characteristics (Cont'd): VS = 24V, S1: ON, f = 25kHz, Vi = 1mV, P1 = 12k, fo = 4.5MHz, fm = 400Hz, TA = +25C unless otherwise indicated)
Parameter VCR Total Harmonic Distortion of Pin9 Output Signal Supply Voltage Rejection at Output Pin9 Signal-to-Noise Ratio at Output Pin9 Input Voltage (Playback) Input Resistance (Playback) Total Harmonic Distortion for 20dB Overload of V10 Overall Circuit Signal-to-Noise Ratio Distortion S+N N d Vi 1mV, VO = 4Vrms, f = 0, Note 2 PO = 50mW, f 7.5Hz, = Note 2 P2 = 0 VS = 24V, RL = 16 VS = 12V, RL = 8 - - - - - 70 0.5 0.5 100 3 - - - - 6 dB % % dB kHz d SVR S+N N V10 R10 d f = 7.5kHz, Vi = 1mV f = 0, fripple = 120Hz, P2 = 12k f = 25kHz, VI 1mV Vo = 4Vrms, P2 = 0, S1: OFF S1: OFF S1: OFF, V10 = 1Vrms, VO = 4Vrms - - - 50 10 - 0.5 66 70 70 - 0.5 - - - 100 - 2.0 % dB dB mV k % Symbol Test Conditions Min Typ Max Unit
Muting Deviation Sensitivity
M f
VO = 4Vrms @ no V1; V1 = 0, Note 2 VO = 4Vrms
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
20 1
11 .280 (7.12) Max 10
.995 (25.3) Max
.300 (7.62)
.280 (7.1)
.100 (2.54)
.125 (3.17) Min
.385 (9.8)

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