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NEC - SECOND MIXER IF AMPLIFIER FOR DIGITAL CORDLESS TELEPHONES

Numéro de référence UPC8002
Description SECOND MIXER IF AMPLIFIER FOR DIGITAL CORDLESS TELEPHONES
Fabricant NEC 
Logo NEC 





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UPC8002 fiche technique
DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC8002
SECOND MIXER + IF AMPLIFIER
FOR DIGITAL CORDLESS TELEPHONES
The µPC8002 is a monolithic IC developed for use in digital cordless telephones. Its internal equivalent circuits
comprise a double balanced mixer (DBM), IF amplifier circuit, and RSSI (Received Signal Strength Indicator) circuit.
The µPC8002 can operate on a wide range of power supply voltages from 2.7 V to 5.5 V, and incorporates a power-
off function, making it ideal for achieving low set power consumption.
The package is a 20-pin plastic shrink SOP (225 mil) suitable for high-density surface mounting.
FEATURES
• Low-voltage, low-consumption-current operation possible (VCC = 2.7 to 5.5 V, ICC = 3.4 mA at VCC = 3 V)
• Wide mixer input frequency range (fMIX = 250 MHz (TYP.) to 500 MHz (MAX.))
• Wide IF amplifier input frequency range (fIF = 8 MHz (MIN.) to 12 MHz (MAX.), 10.7 MHz (TYP.))
• High limiting sensitivity (SL = –100 dBm (TYP.))
• Wide RSSI dynamic range (DR = 85 dB (TYP.))
• On-chip power-off function
• Use of 20-pin plastic shrink SOP (225 mil) allows high-density surface mounting
BLOCK DIAGRAM
GND
VCC
BYPASS1 IF1 IN BYPASS2 IF1 OUT BYPASS4 IF2 IN BYPASS3 (IF OUT) (IF OUT) IF2 OUT
20 19 18 17 16 15 14 13 12 11
IF Amp 1
IF Amp 2
Power ON/OFF
RSSI
RSSI
Output Stage
2nd MIXER
1 2 3 4 5 6 7 8 9 10
PD MIX OUT VCC (IF) VCC (MIX) LO IN GND(IF) GND(MIX) MIX IN1 MIX IN2 RSSI OUT
ORDERING INFORMATION
Part Number
µPC8002GR
µPC8002GR-E1
µPC8002GR-E2
Package
20-pin plastic shrink SOP (225 mil)
20-pin plastic shrink SOP (225 mil)
Embossed carrier taping (pin 1 is tape unwinding direction)
20-pin plastic shrink SOP (225 mil)
Embossed carrier taping (pin 1 is tape winding direction)
The information in this document is subject to change without notice.
Document No. S10717EJ2V0DS00 (2nd edition)
Date Published March 1997 N
Printed in Japan
©
1997

PagesPages 30
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