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參數(shù)資料
型號(hào): μPC8001
廠商: NEC Corp.
英文描述: IF Amplifier IC(中頻放大器)
中文描述: 中頻放大器集成電路(中頻放大器)
文件頁(yè)數(shù): 1/22頁(yè)
文件大小: 111K
代理商: ΜPC8001
DATA SHEET
The
μ
PC8001 is a 3-volt IF amplifier IC with an on-chip mixer developed for digital cellular phones.
The
μ
PC8001 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
μ
PC8001 features a low 3 mA (TYP.) and 2.2
μ
A (TYP.) current consumption at normal operation and
power-OFF, respectively. Its high-speed charge/discharge circuit enables fast power-ON/OFF switching.
The
μ
PC8001 boasts an extremely small size packaged in a 14-pin plastic shrink SOP, and low external
capacitances of less than 0.01
μ
F, 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… (V
CC
= 3 V)
Mixer
IF amp. + RSSI
During operation
2.1 mA (TYP.)
0.95
mA (TYP.)
At power-OFF
0
μ
A (TYP.)
2.2
μ
A (TYP.)
High limiting sensitivity… –91 dBm (TYP.)
High-precision RSSI linearity…
±
0.5 dB (TYP.) (V
IF IN
= –86 to –6 dBm)
High-speed RSSI response time
RSSI output rise time
77
μ
s (TYP.)
RSSI output fall time
113
μ
s (TYP.)
High-speed power-ON/OFF switching time
Rise time at power-ON
174
μ
s (TYP.)
Fall time at power-OFF
3
μ
s (TYP.)
External capacitors of less than 0.01
μ
F
On-chip RSSI output resistor (34 k
)
Ultra-compact package… 14-pin plastic shrink SOP
BIPOLAR ANALOG INTEGRATED CIRCUIT
μ
PC8001
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 J apan
The mark
#
shows revised points.
1994, 1992
IF AMPLIFIER IC
WITH ON-CHIP MIXER FOR DIGITAL CELLULAR PHONES
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