NTE1781 Integrated Circuit Electronic Switch for VCR Features: D Wide Input Dynamic Range D Low Distortion D Good Frequency Characteristics Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Allowable Power Dissipation (TA ≤ +65°C), Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +65°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C Operation Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified) Parameter Circuit Current Symbol Test Conditions ID Min Typ Max Unit – – 12.5 mA THD Rg = 600Ω, 4.5VP–P, f = 1kHz, RL = ∞, Note 1 – 0.007 0.1 % Noise en Rg = 600Ω, f = 20Hz to 20kHz, RL = ∞, Note 1 – –93 –80 dBs Crosstalk Is1 Input A: Rg = 50Ω, f = 3.58MHz, 2VP–P, Input B: Rg = 1kΩ, Note 1 50 68 – dB Pedestal ∆Vped –100 – +100 mV Total Harmonic Distortion V3 = 2.2V to 3.0V Second Harmonic Rg = 50Ω, f = 1Mhz, 4VP–P, RL = ∞ 46 55 – dB Third Harmonic Rg = 50Ω, f = 1Mhz, 4VP–P, RL = ∞ 46 52 – dB Control, Threshold Voltage V3s 2.2 2.6 3.0 V Pin Voltage (Pin4) V4 – 6.9 6.9 V Pin Voltage (Pin7) V7 V3 = 2.2V – 7.6 – V V3 = 3.0V – 7.6 – V V3 = 2.2V – 7.6 – V V3 = 3.0V – 7.6 – V Pin Voltage (Pin2) V2 Note 1. Test for Input 1 and Input 2: Input 1 Test: Vcont (Pin3 voltage) is 2.0V Input 2 Test: Vcont is 3.0V Pin Connection Diagram (Front View) 8 N.C. 7 Input 1 6 N.C. 5 GND 4 Output 3 Control Input 2 Input 2 1 VCC .862 (21.89) .118 (3.0) .053 (1.35) .059 (1.5) .177 (4.5) 1 8 .110 (2.8) .100 (2.54) .082 (2.1)