NXP Semiconductors TDA9821
The TDA9821 is a monolithic, integrated, TV FM intercarrier sound demodulator for all FM standards. The circuit contains two separate FM demodulators using Phase Locked Loop (PLL) reference frequency generation. The circuit requires a minimum number of external components.| Part No. | TDA9821 |
|---|---|
| Datasheet | TDA9821 Download |
| Manufacturer |  NXP Semiconductors |
| Description | Dual channel TV FM intercarrier sound demodulator |
| Buy | Stock & Price |
FEATURES
● Two alignment-free PLL FM demodulators● Automatic second sound carrier mute
● Mono and dual channel application
● Low power consumption
● Few external components required. QUICK REFERENCE DATA SYMBOL VP IP IM Vi(rms) Vo(rms) S+N ------------N α8/7 RR Tamb PARAMETER supply voltage (pin 14) supply current (pin 14) AC peak current (pins 7 and 8) input signal (RMS value) S+N ------------- = 40 dB N in accordance with “CCIR 468-3” f = 50 to 12500 Hz VRR < 200 mV; f = 70 Hz CONDITIONS MIN. 4.5 23 − − 0.4 64 60 16 0 TYP. 5.0 30 − 150 0.5 68 70 20 −
GENERAL DESCRIPTION
TDA9821 MAX. 8.8 37 1.5 250 0.6 − − − 70 UNIT V mA mA µV V dB dB dB °C output signal (pins 7 and 8; RMS value) ∆fi = ±50 kHz signal plus noise-to-noise ratio (pins 7 and 8) crosstalk attenuation supply voltage ripple rejection (pins 7 and 8) operating ambient temperature ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TDA9821 DIP16DESCRIPTION
plastic dual in-line package; 16 leads (300 mil); long body VERSION SOT38-1...
