NJM2292V

NJM2292V

  • 厂商:

    NJRC

  • 封装:

  • 描述:

    NJM2292V - NARROW BAND FM IF IC - New Japan Radio

  • 详情介绍
  • 数据手册
  • 价格&库存
NJM2292V 数据手册
NJM2292 NARROW BAND FM IF IC ■ GENERAL DESCRIPTION The NJM2292 is a narrow band FM IF IC designed for use in cordless telephones and amature radios, etc...It contains almost all blocks of the narrow band FM IF system-a mixer, an IF amplifier, an RSSI and a Quadrature detector, for example. It features low supply current to make a sharp reduction of total power consumption possible. ■ PACKAGE OUTLINE NJM2292V ■ FEATURES ● Low Operating Voltage ● Low Operating Current ● Maximum input frequency ● A ceramic discriminator is available ● Package Outline ● Bipolar Technology (1.8 to 7.0V) (20mA typ. @V+=2.4V) (100MHz) SSOP20 ■ APPLICATIONS ● Amature radios ● Cordless telephones, etc. ■ PIN CONFIGURATION NJM2292V ■ ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V + (Ta=25°C) RATINGS 10 300 -30 to +85 -40 to +125 UNIT V mW °C °C Pd Topr Tstg Ver.2003-12-09 -1- NJM2292 ■ ELECTRICAL CHARACTERISTICS PARAMETER Operating Current Mixer Gain Input resistance Limiting sensitivity Audio output voltage Filter amplifier gain Filter amplifier output voltage RSSI maximum output voltage RSSI minimum output voltage Squelch Hysteresis Squelch output voltage High level Low level Squelch inverted output voltage High level Low level SYMBOL ICC GMIX RMIX LIMIT VOUT Af Vref VRMAX VRMIN Hys SPHI SPLO SNHI SNLO (V+=2.4V, fC=21.7MHz, fmod=1kHz 1mV, fdev=±3kHz, Ta=25°C) TEST CONDITION No signal, Squelch off 20 2.7 -3dB limiting VI=1mVrmsy, 1kHz Rrs=18kΩ, IFin=100mVrms Rrs=18kΩ, No signal Rhys=4.7kΩ 50 45 0.75 0.65 30 1.0 2.2 0.2 MIN. TYP. 2.0 25 3.6 3.0 70 48 0.9 0.9 80 1.4 MAX. 2.7 UNIT mA dB kΩ µVrms mVrms dB V V V mV V V V V 4.5 1.05 1.2 0.5 105 1.8 0,2 30kΩ pull up 30kΩ pull up ■ TEST CIRCUIT -2- Ver.2003-12-09 NJM2292 ■ TERMINAL FUNCTION (V+=2.4V) PIN NO. SYMBOL PIN VOLTAGE(typ.) FUNCTION These terminals are connected with a crystal resonator to construct a colpitts circuit. EQUIVALENT CIRCUIT 1 OSC IN 2.4V 2 OSC OUT 1.7V 3 NC No connection. Amixer output. 4 MIX OUT 1.47V 5 V + 2.4V Supply voltage A limiter input and decoupling terminals. The 7 and 8 pins are connected with about 100µF capacitors. (ESD protection diodes are connected internally with each terminal.) 6 LIM IN 1.59V 7 DEC1 1.59V 8 DEC2 1.59V A limiter output 9 LIM OUT - Ver.2003-12-09 -3- NJM2292 ■ TERMINAL FUNCTION (V+=2.4V) PIN NO. SYMBOL PIN VOLTAGE(typ.) FUNCTION A quadrature detector input EQUIVALENT CIRCUIT 10 QUAD COIL - The output of the FM demodulated signal. 11 AF OUT 1.18V An RSSI output. The output current signal is in logarithmic proportion to the input signal. 12 RSSI - An operational amplifier inverted input. 13 AMP IN - -4- Ver.2003-12-09 NJM2292 ■ TERMINAL FUNCTION (V+=2.4V) PIN NO. SYMBOL PIN VOLTAGE(typ.) FUNCTION An operational amplifier output. EQUIVALENT CIRCUIT 14 AMP OUT - A squelch amplifier input. (ESD protection diodes are connected internally with this terminal.) 15 SQ IN - A squelch amplifier input. (ESD protection diodes are connected internally with this terminal.) 16 SQ OUT - A squelch amplifier inverted output. (ESD protection diodes are connected internally with this terminal.) 17 SQ OUT - Ver.2003-12-09 -5- NJM2292 ■ TERMINAL FUNCTION (V+=2.4V) PIN NO. SYMBOL PIN VOLTAGE(typ.) FUNCTION A hysteresis control terminal. (ESD protection diodes are connected internally with this terminal.) EQUIVALENT CIRCUIT 18 HYSTERESIS CONTROL - 19 GND 0V Ground A mixer input 20 MIX IN 2.4V [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. -6- Ver.2003-12-09
NJM2292V
1. 物料型号: - NJM2292

2. 器件简介: - NJM2292是一款设计用于无线电话和业余无线电等设备中的窄带FM中频集成电路。它包含了几乎所有的窄带FM中频系统模块,例如混频器、中频放大器、RSSI和正交检测器。该器件具有低供电电流的特点,可以实现总功耗的大幅降低。

3. 引脚分配: - 引脚1:OSC IN,连接晶体谐振器构成Colpitts电路。 - 引脚2:OSC OUT,振荡输出。 - 引脚3:NC,无连接。 - 引脚4:MIX OUT,混频器输出。 - 引脚5:V+,供电电压。 - 引脚6:LIM IN,限幅器输入和去耦。 - 引脚7:DEC1,去耦。 - 引脚8:DEC2,去耦。 - 引脚9:LIM OUT,限幅器输出。 - 引脚10:QUAD COIL,正交检测器输入。 - 引脚11:AF OUT,FM解调信号输出。 - 引脚12:RSSI,RSSI输出。 - 引脚13:AMP IN,运算放大器反相输入。 - 引脚14:AMP OUT,运算放大器输出。 - 引脚15:SQIN,静噪放大器输入。 - 引脚16:SQ OUT,静噪放大器输出。 - 引脚17:SQ OUT,静噪放大器反向输出。 - 引脚18:HYSTERESIS CONTROL,滞后控制。 - 引脚19:GND,地。 - 引脚20:MIX IN,混频器输入。

4. 参数特性: - 工作电压:1.8到7.0V。 - 最大工作电流:2.4V时20mA。 - 最大输入频率:100MHz。 - 封装:SSOP20。 - 技术:双极型。

5. 功能详解: - 该器件包含混频器增益、输入电阻、限幅灵敏度、音频输出电压、滤波放大器增益、RSSI最大输出电压、静噪滞后、静噪输出电压等参数。

6. 应用信息: - 应用于业余无线电和无线电话等设备。

7. 封装信息: - 封装类型为SSOP20。
NJM2292V 价格&库存

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