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| NTE7116 Integrated Circuit Phase Lock Loop (PLL) Stereo Decoder (BTSC System) Description: The NTE7116 is a phase lock loop (PLL) stereo decoder in a 20-Lead DIP type package designed primarily for low cost stereo decoding in a low-to-medium-line TV. The MUX input (Pin1) is a low impedance current input, the gain of the input amplifier is therefore determined by the external resistor R1. All characteristics are measured with R1 = 47k. The de-emphasis of (L, R) and (L - R) can be chosen by means of external capacitors and resistors. The supply voltage range of the device is from 7V to 16V. Features: D Wide Supply Voltage Range D Automatic Mono/Stereo Switching (Pilot Presence Detector) D LED Driver for Stereo Indicator D Smooth Mono/Stereo Control D Matrix and Two Amplifiers for Left and Right Output Signals D A Source Selector to Switch between the MUX Signal and an External Signal D Mute Circuit for 60dB Muting of the Output Level D External De-Emphasis Control of (L, R) and (L - R) D 6dB Fixed Attenuation of (L - R) with respect to (L + R) Prior to Matrix D All Pins are Protected Against Electrostatic Discharge (ESD) Absolute Maximum Ratings: Supply Voltage Range (Pin5), VP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V LED Driver Current (Peak Value), I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75mA Total Power Dissipation (TA = +25C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.9W Electrostatic Handling, Ves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2 to +2kV Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C DC Characteristics: Parameter Supply Voltage (VS = 8.5V, TA = +25C, all voltages are with respect to GND (Pin20), all currents are positive into the device unless otherwise specified) Symbol VS Itot Ptot V1 V8-13 -I14, I15 I3 V19 I19 I19 = 50A Without LED Driver Test Conditions Min 7.0 - - - - 1.1 - - 50 Typ 8.5 19 160 2.1 4.2 1.4 - 2 - Max 16.0 25 - - - 1.8 20 - - Unit V mA mW V V mA mA V A Total Current Consumption Power Dissipation Voltage Pin1 Pins 8, 9, 10, 11, 12, & 13 DC Output Current (Pin14 & Pin15) LED Driver Current (Pin3) Switch "VCO-OFF" Voltage Switch "VCO-OFF" Current AC Characteristics: (VS = 8.5V, TA = +25C, AC Conditions: (1) Input signal (Vi) of 815mVP-P for L = 1, R = 1 (mono), fm = 1kHz (80% modulation); (2) MUX input signal (Vi) of 1.2VP-P for L = 1, R = 0 and no dbx, fm = 1kHz (stereo) and Vpilot = 200VP-P; (3) S1 open, unless specified (without L - R filter), VCO measured with an external IF roll-off network (-2dB at 31.5kHz = 2fH) at the input. All the above conditions apply unless otherwise specified) Symbol I(rms) GO V11 = V10 V15 = V14 THD V11/V10 S/N L = 1, R = 0 Bandwidth 20Hz to 16kHz Note 1 Mono; R1 = 47k Test Conditions Min - 4.0 460 - - - - 24 - Typ - 5.8 560 245 0.3 800 0.1 28 76 Max 12 7.0 640 - 0.5 - 1.0 - - Unit A dB mV mV % mV dB dB dB Parameter Overall Performance Vi to Vo Input Current (rms) Overall gain AF Output Voltage (rms) Total Harmonic Distortion Output Voltage Output Channel Unbalance Channel Separation Signal to Noise Ratio Pilot Presence Detector (Note 2) Switching to Stereo Mono Hysteresis Channel Separation Full Stereo Smooth Operation Attenuation (L - R) V11 = V10 THD = 1% Vpilot Vpilot V16 1.25V V16 = 1V Typ - 15 - 24 - - 40 30 2.5 28 10 6 60 - - - - - mV mV dB dB dB dB Note 1. Guaranteed for mono, mono + pilot and stereo. Note 2. Adjustable. AC Characteristics (Cont'd): (VS = 8.5V, TA = +25C, AC Conditions: (1) Input signal (Vi) of 815mVP-P for L = 1, R = 1 (mono), fm = 1kHz (80% modulation); (2) MUX input signal (Vi) of 1.2VP-P for L = 1, R = 0 and no dbx, fm = 1kHz (stereo) and Vpilot = 200VP-P; (3) S1 open, unless specified (without L - R filter), VCO measured with an external IF roll-off network (-2dB at 31.5kHz = 2fH) at the input. All the above conditions apply unless otherwise specified) Parameter Pilot Signal Suppression Subcarrier Suppression VCO Suppression SAP Signal Suppression (Second Audio Program) Intermodulation Suppression fm = 8.367kHz fm = 10.832kHz Ripple Rejection R Adjust (R5) Capture Range Temperature Coefficient Output Amplifiers Gain MUX External Signal Input Impedance Output Impedance External Load Impedance External Load Capacitance Mute Suppression MUX Signal External Signal DC Offset Voltage at Outputs Source Selector (Pin6) Suppression of MUX Signal Suppression of External Signal Switching Level (MUX Selected) Voltage Current VIL IIL Vi = 0.8V V6 2V V6 0.8V 80 56 - - 90 60 - 10 - - 0.8 25 dB dB V A V Mute OFF-to-ON Mute ON-to-OFF Zi Zo Z1 Z1 56 56 - - 60 60 10 10 - - 50 50 dB dB mV mV GV 6.7 -0.5 - - 10 - 7.2 0 50 10 - - 7.7 +0.5 - - - 1.5 dB dB k k nF Symbol fH 2fH 12fH 5fH 2 3 RR120 Radj f/f TC Test Conditions fpilot = 15.734kHz (1fH) f = 2fH f = 12fH f = 5fH Min 32 - - - Typ 36 60 75 60 Max Unit - - - - dB dB dB dB Carrier & Harmonic Suppression at the Output (Note 3) Spurious Signal, fs = 1kHz Spurious Signal, fs = 1kHz f = 120Hz, Vripple = 100mV, mono fOSC = 188.808kHz, R7 = 10k 5%, C6 = 820pF 1% Deviation from fOSCcenter frequency: Vpilot = 200mVP-P Uncompensated - - - 0 - - 80 70 50 - 45 250 x 10-6 - - - 8 - - dB dB dB k % K-1 Voltage Controlled Oscillator (VCO) Note 3. S1 closed; reference: AF output voltage f = 1kHz mono. AC Characteristics (Cont'd): (VS = 8.5V, TA = +25C, AC Conditions: (1) Input signal (Vi) of 815mVP-P for L = 1, R = 1 (mono), fm = 1kHz (80% modulation); (2) MUX input signal (Vi) of 1.2VP-P for L = 1, R = 0 and no dbx, fm = 1kHz (stereo) and Vpilot = 200VP-P; (3) S1 open, unless specified (without L - R filter), VCO measured with an external IF roll-off network (-2dB at 31.5kHz = 2fH) at the input. All the above conditions apply unless otherwise specified) Parameter Source Selector (Cont'd) (Pin6) Switching Level (External Selected) Voltage Current Muting Circuit (Pin7) Input Voltage Input Current VIL VIH -IIL IIL Mute ON Mute OFF Mute ON, VIL = 0.8V Mute OFF, VIH = VP - 2 - - - - 10 0.1 0.8 VP 25 1.0 V V A A VIH IIH Vi = VP 2 - - 0.1 VP 1.0 V A Symbol Test Conditions Min Typ Max Unit Note 4. Intermodulation suppression (Beat Frequency Components (BFC)): VO (signal) (at 1kHz) ; fs = (2 x 8.367kHz) -fH VO (spurious) (at 1kHz) VO (signal) (at 1kHz) 3 = ; fs = (3 x 10.823kHz) -2fH VO (spurious) (at 1kHz) 2 = measured with 100% modulated input signal: L = R; pilot signal = 200mVP-P; fm = 8.367 or 10.823kHz. Pin Connection Diagram Multiplexer Input 1 Pilot Presence Det 2 LED Driver Output 3 VCO 4 VP 5 Source Selector Input 6 Mute Input 7 Input 2, Left 8 Input 2, Right 9 VO Right 10 20 GND 19 Phase Det 18 L-R De-Emphasis 17 L-R De-Emphasis 16 Smooth Mono/Stereo Control 15 VO Decoder Left De-Emphasis 14 VO Decoder Right De-Emphasis 13 Input 1, Left 12 Input 1, Right 11 VO Left 20 1 11 .280 (7.12) Max 10 .995 (25.3) Max .300 (7.62) .280 (7.12) .100 (2.54) .125 (3.17) Min .385 (9.8) |
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