NTE1789 - Datasheet Archive

Integrated Circuit TV Sound Preamp, AF Output, Volume Control Description: The NTE1789 is an integrated circuit in a 9Lead

NTE1789 NTE1789 Integrated Circuit TV Sound Preamp, AF Output, Volume Control Description: The NTE1789 NTE1789 is an integrated circuit in a 9Lead SIP type package designed for use in TV sound output circuit. Features: D DC Volume Control System Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, V17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V Supply Voltage, V97 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26V Circuit Voltage, V37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 7V Circuit Voltage, V47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V17 V Circuit Voltage, V67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V97 V Peak Circuit Current, I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 to +3mA Peak Circuit Current, I8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 to +1.2mA Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6W Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55° to +150°C Electrical Characteristics: (TA = +25°C unless otherwisepsecified) Parameter Symbol Test Conditions Min Typ Max Unit Circuit Current II SW1: 1, SW2: 1 7.1 9.5 11.9 mA Circuit Voltage V27 SW1: 2, SW2: 1 5.4 V V57 SW1: 2, SW2: 1 8.5 V V67 SW1: 2, SW2: 1 8.8 V V87 SW1: 2, SW2: 2 8.8 V 2.0 2.3 W Max. Output Voltage Voltage Gain Total Harmonic Distortion POmax V4 = 12V, f = 1kHz, THD = 10% GV THD V4 = 12V, Vi = 0.1Vrms, f = 1kHz 28.5 30.5 32.5 dB V4 = 12V, PO = 1W, f = 1kHz 0.8 1.2 % Max. Attenuation Att f = 1kHz, Vi = 0.1Vrms, Ratio between V4 = 12V and V4 = 0V 95 85 dB Output Noise Voltage Vno V4 = 0V, Vi = 0Vrms 0.6 1.0 mVrms Mute Operating Voltage V37 f = 1kHz, V4 = 12V, when V8 = 0Vrms 2.45 2.65 2.85 V Pin Connection Diagram (Front View) 9 VCC 2 (18V Typ) 8 Sound Output 7 GND 6 Feedback 5 Filter 4 Volume Control 3 Mute 2 Sound Input 1 VCC 1 (12V Typ) .890 (22.6) .728 (18.5) .067 (1.72) .591 (15.0) .150 (3.8) .328 .229 (8.33) (5.82) .059 (1.5) 1 9 .250 (6.35) .281 (7.14) .100 (2.54)