NJM2524 2 INPUT 1 OUTPUT 3ch VIDEO SWITCH with ISOLATION AMP. ■GENERAL DESCRIPTION The NJM2524 is a 2-input 1-output 3-circuit video switch with isolation amplifier. Isolation circuit removes the noise of a signal. The NJM2524 includes pedestal clamp circuit. It is suitable for the change of the RGB signal of the Car AV equipment. ■ PACKAGE OUTLINE NJM2524V ■ FEATURES ● Operating Voltage 4.5 to 9.0V ● Internal Isolation Amp. ● Internal 3ch 2 input 1 output Video Switch ● Pedestal Clamp ● Bipolar Technology ● Package Outline SSOP32 ■ BLOCK DIAGLAM Vin1B 1 32 GND GND 2 31 Vin2D Vin2B 3 30 GND 29 Vin2A 28 GND Vin1C 6 27 Vin1D GND 7 26 GND Vin2C 8 25 Vin1A 24 V+ CL1C 10 23 CL1A GND 11 22 VoutA 21 NC 20 CL2A SW 14 19 CL1B Vin2 MUTE 15 18 VoutB VoutC 16 17 CL2B pedestal clamp pedestal clamp GND 4 MUTE NC 5 CL2C 9 pedestal clamp pedestal clamp pedestal clamp pedestal clamp MUTE pedestal clamp pedestal clamp pedestal clamp pedestal clamp MUTE CP 12 GND 13 pedestal clamp pedestal clamp Ver.6 -1- NJM2524 ■ ABOSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL + V PD Topr Tstg RATING 15.0 SSOP32: 800 * -40 to +85 -40 to +125 UNIT V mW °C °C *EIA/JEDEC STANDARD Test Board(76.2x114.3x1.6mm,2layers,FR-4)mounting ■ RECOMMENDED OPERATING CONDITION(Ta=25°C) PARAMETER SYMBOL Operating Voltage TEST CONDITION Vopr MIN. TYP. MAX. UNIT 4.5 - 9.0 V + ■ ELECTRICAL CHARACTERISTICS( V =5.0V, Ta=25°C) PARAMETER Operating Current Maximum Output Level Voltage Gain Frequency Characteristics Common Mode Rejuction Ratio Crosstalk Between Input Crosstalk Between SW Block Differential Gain Differential Phase SW Change High Level SW Change Low Level SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT ICC Vom1 Gv Gf CMR CT-I CT-B DG DP VthH VthL No Signal Vin=100kHz,Sigh-Signal,THD=1%, Vin=100kHz,1.0Vp-p Sign-Signal Vin=10MHz / 1MHz ,1.0Vpp Sign-Signal Vin=20kHz,1Vpp Vin=4.43MHz, 1.0Vp-p Sign-Signal Vin=4.43MHz, 1.0Vp-p Sign-Signal Vin=1.0Vp-p 10step Video Signal Vin=1.0Vp-p 10step Video Signal 1.4 -1.0 -1.0 2.0 0 19 1.6 0 0 -45 -65 -65 0.5 0.5 - 28.5 1.0 1.0 + V 0.6 mA Vp-p dB dB dB dB dB % deg V V ■ SW vs. INPUT/OUTPUT Ver.6 -2- SW MUTE VoutA VoutB VoutC L L H H H L H L Vin1A Vin1A MUTE Vin2A Vin1B Vin1B MUTE Vin2B Vin1C Vin1C MUTE Vin2C NJM2524 ■ TEST CIRCUIT (Measure Video-signal) Vin2D Vin2A Vin1A Vin1D 75Ω V+ VoutA CL1A CL2A 10uF 10nF 2kΩ 75Ω VoutB CL1B CL2C 2kΩ + 4.7uF 4.7uF + 32 4.7uF + 31 30 4.7uF + 29 28 0.1uF + 27 26 25 24 0.1uF 22uF + + + 0.1uF 22uF + 0.1uF + + 23 22 21 20 19 18 17 10 11 12 13 14 15 16 NJM2524 1 2 3 4 5 6 + + 4.7uF 8 + 4.7uF 75Ω 7 + 75Ω + 4.7uF 4.7uF 75Ω 9 + 0.1uF + 75Ω 2kΩ VthL VthH Vin1B Vin1C Vin2B 22uF 0.1uF Vin2C CL1C CL2C S CP Vin2系MUTE VoutC ■ TEST CIRCUIT(Measure CMR) Vin2D Vin2A Vin1A Vin1D V+ CL1A CL2A VoutA 10uF 10nF 2kΩ 4.7uF 4.7uF 32 31 0.5MΩ 0.5MΩ 4.7uF + + CL2C 2kΩ + 50Ω 50Ω VoutB CL1B 0.1uF 4.7uF + + 0.1uF 22uF + + 0.1uF + 22uF + 0.1uF + + 30 29 28 27 26 25 24 23 22 21 20 19 18 17 10 11 12 13 14 15 16 NJM2524 1 2 3 4 5 6 7 8 9 0.5MΩ + 4.7uF 0.5MΩ + 4.7uF 0.5MΩ + 4.7uF 0.5MΩ + 4.7uF + + + 0.1uF 22uF 0.1uF 2kΩ VthL VthH Vin1B Vin2B Vin1C Vin2C CL2C CL1C CP S Vin2系MUTE VoutC Ver.6 -3- NJM2524 ■ TEST CIRCUIT(sign-signal) Vin2D Vin2A Vin1A Vin1D 50Ω V+ CL1A VoutA CL2A 10uF 10nF 2kΩ 50Ω VoutB CL1B CL2C 2kΩ + 4.7uF 32 4.7uF 4.7uF + + 31 30 29 28 0.1uF 4.7uF + + 27 26 + 25 24 0.1uF 22uF + + 0.1uF + 22uF + 0.1uF + 23 22 21 20 19 18 17 10 11 12 13 14 15 16 NJM2524 1 2 3 4 5 6 7 8 9 + + 4.7uF 50Ω + 4.7uF 50Ω + 4.7uF 50Ω + 4.7uF + + 0.1uF 50Ω 2kΩ VthL VthH Vin1B Vin2B Vin1C 22uF 0.1uF Vin2C CL2C CL1C CP SW Vin2 MUTE VoutC [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. Ver.6 -4-