NJM2246M-TE3

Designated client product This product will be discontinued its production in the near term. And it is provided for customers currently in use only, with a time limit. It can not be available for your new project. Please select other new or existing products. For more information, please contact our sales office in your region. New Japan Radio Co.,Ltd. www.njr.com NJM2246 3-INPUT VIDEO SWITCH WITH 6dB AMPLIFIER ■ GENERAL DESCRIPTION The NJM2246 is three input integrated video switch, which selects one video signal from three input signals. It contains 6dB amplifier and its operating supply voltage range is 4.75 to 13V and bandwidth is 5MHz. Crosstalk is 65dB (at 4.43MHz). ■ FEATURES ● Operating Voltage 4.75 to 13V ● 3 Input-1 Output ● Internal 6dB Amplifier ● Muting Function available ● Internal Clamp Function ● Cross-talk 65dB (at 4.43MHz) ● Wide Frequency Range 5MHz (1VP-P Input) ● Package Outline DIP8, DMP8, SIP8 ● Bipolar Technology ■ PACKAGE OUTLINE NJM2246D NJM2246M NJM2246L ■ APPLICATION ● VCR AV-TV Video Disc Player ■ PIN CONFIGURATION NJM2246L NJM2246D NJM2246M ■ BLOCK DIAGRAM ■ INPUT CONTROL SIGNAL-OUTPUT SIGNAL SW1 SW2 OUTPUT SIGNAL L L VIN1 H L VIN2 L/H H VIN3 (note) : Input clamp voltage is about 2/5 of supply voltage. Ver.2016-04-08 -1- NJM2246 ■ ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL + Supply Voltage V Power Dissipation PD (Ta = 25°C) RATINGS 15 UNIT V (DIP8) 500 (DMP8) 300 (SIP8) 800 mW mW mW Operating Temperature Range Topr -40 to +85 °C Storage Temperature Range Tstg -40 to +125 °C (V+ = 5V, Ta = 25°C) ■ ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL TEST CONDITION + MIN. TYP. MAX. UNIT 4.75 - 13.0 V Recommended Supply Voltage V Operating Current ICC S1=S2=S3=S4=S5=2 9.5 14.0 21.0 mA Voltage Gain GV Vin=1.0VP-P, 1MHz, Vo/Vi, RL=1kΩ 5.7 6.2 6.7 dB Frequency Characteristics Gf Vin=1.0VP-P, Vo(10MHz) / Vo (1MHz) RL=1kΩ -1.0 - +1.0 dB Differential Gain DG Vin=1.0VP-P, staircase, RL=1kΩ - 0.3 - % Differential Phase DP Vin=1.0VP-P, staircase, RL=1kΩ - 0.3 - deg. Output Offset Voltage Voff S1=S2=S3=2, S5=1→2 VO : voltage change - - ±60 mV Crosstalk CT VIN=1.0VP-P, 4.43MHz, Vo / Vi (note2) - -65 - dB VCH All inside SW : ON 2.4 - - V VCL All inside SW : OFF - - 0.8 V Switch Change Voltage (note)Unless specified, tested with three mode below. a) S1=1, S2=S3=S4=S5=2 b) S2=S4=1, S1=S3=S5=2 c) S1=S2=2, S3=S5=1, S4=1 or 2 (note2) Tested by the following. a) S1=S4=1, S2=S3=2, S5=1 and 2 b) S2=1, S1=S3=S4=2, S5=1 and 2 C) S3=1, S1=S2=S5=2, S4=1 and 2 -2- Ver.2016-04-08 NJM2246 ■ APPLICATION Oscillation Prevention on light loading conditions Recommended under circuit. ■ TEST CIRCUIT S5 S4 DC Voltage Each Terminal Typ. on Test Circuit Ta=25°C Terminal Name DC Voltage Ver.2016-04-08 VIN1 2 5 + V SW1 - VIN2 2 5 + V SW2 - VIN3 2 5 + V + V - VOUT 2 5 + V -0.7 GND - -3- NJM2246 ■ EQUIVALENT CIRCUIT PIN NO. PIN FUNCTION PIN NO. PIN FUNCTION 1 VIN1 5 VIN3 (Mute) 2 SW1 6 V 3 VIN2 7 VOUT 4 SW2 8 GND -4- INSIDE EQUIVALENT CIRCUIT + INSIDE EQUIVALENT CIRCUIT ――――――――――――――― ――――――――――――――― Ver.2016-04-08 NJM2246 ■ APPLICATION This IC requires 1MΩ resistance between INPUT and GND pin for clamp type input since the minute current causes an unstabel pin voltage. This IC requires 0.1uF capacitor between INPUT and GND, 1MΩ resistance between INPUT and GND for clamp type input at mute mode. [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.2016-04-08 -5-