NTE1668 Integrated Circuit TV SoundIF/Detector Features: D Low Distortion: 0.02% D High Sensitivity: 200µVrms D Excellent AMR: −55dB Typ. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Input Voltage Pin 7 & 8, V7, V8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Vp−p Power Dissipation (TA = +75°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C Storage Temperatuere Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C Electrical Characteristics: (TA = +25°C, TA = +25°C, f = 4.5MHz, fM = 400Hz, AM MOD = 30%) Parameter Total Supply Current Symbol ICC Test Conditions Min Typ Max Unit Zero Carrier 8 16 24 mA − 180 360 µVrms IF Limiting Voltage Vi(lim) VOAF (Vi = 3mVrms) −3dB point Detecter Output Voltage −1 VOAF1 Vi = 3mVrms, ∆f = ±25kHz 150 200 − mVrms Detecter Output Voltage −2 VOAF2 Vi = 3mVrms, ∆f = ±50kHz 320 410 − mVrms Detecter Output Distortion −1 THD1 Vi = 3mVrms, ∆f = ±25kHz − 0.2 0.5 % Detecter Output Distortion −2 THD2 Vi = 3mVrms, ∆f = ±50kHz − 0.6 1.5 % AM Rejection AMR Vi = 3mVrms, ∆f = ±25kHz −45 −55 − dB Pin Connection Diagram (Front View) .768 (19.52) Max 8 SIF Input 7 SIF Input 6 Capacitor 5 GND 4 Detect Output 3 Detect Filter 2 Detect Filter 1 VCC .118 (3.0) Max .264 (6.72) Max 1 8 .165 (4.2) Min .100 (2.54) Typ .700 (17.78)