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UPC8001 Datasheet(PDF) 1 Page - NEC

Part No. UPC8001
Description  IF AMPLIFIER IC WITH ON-CHIP MIXER FOR DIGITAL CELLULAR PHONES
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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©
1992
DATA SHEET
The
µPC8001 is a 3-volt IF amplifier IC with an on-chip mixer developed for digital cellular phones.
The
µPC8001 consists of a high-sensitivity limiter amplifier with an input frequency of 455 kHz, a high-speed
and high-precision linear RSSI (received signal strength indicator ), and a second mixer with an input frequency
of 80 to 150 MHz.
The
µPC8001 features a low 3 mA (TYP.) and 2.2 µA (TYP.) current consumption at normal operation and
power-OFF, respectively. Its high-speed charge/discharge circuit enables fast power-ON/OFF switching.
The
µPC8001 boasts an extremely small size packaged in a 14-pin plastic shrink SOP, and low external
capacitances of less than 0.01
µF, in addition to an on-chip RSSI output resistor, and is most suitable for
high-density mounting.
FEATURES
Low-voltage operation…3 V
±10%
Low power consumption…(VCC = 3 V)
Mixer
IF amp. + RSSI
During operation
2.1 mA (TYP.)
0.95 mA (TYP.)
At power-OFF
0
µA (TYP.)
2.2
µA (TYP.)
High limiting sensitivity…–91 dBm (TYP.)
High-precision RSSI linearity…
±0.5 dB (TYP.) (VIF IN = –86 to –6 dBm)
High-speed RSSI response time
RSSI output rise time
77
µs (TYP.)
RSSI output fall time
113
µs (TYP.)
High-speed power-ON/OFF switching time
Rise time at power-ON
174
µs (TYP.)
Fall time at power-OFF
3
µs (TYP.)
External capacitors of less than 0.01
µF
On-chip RSSI output resistor (34 k
Ω)
Ultra-compact package…14-pin plastic shrink SOP
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC8001
The information in this document is subject to change without notice.
Document No. IC-3426
(O.D.No. IC-8949)
Date Published February 1995 P
Printed in Japan
The mark 5 shows revised points.
©
1994, 1995
IF AMPLIFIER IC
WITH ON-CHIP MIXER FOR DIGITAL CELLULAR PHONES




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