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DATA SHEET

BIPOLAR ANALOG INTEGRATED CIRCUIT

碌

PC8001

IF AMPLIFIER IC

WITH ON-CHIP MIXER FOR DIGITAL CELLULAR PHONES

The

碌

PC8001 is a 3-volt IF amplifier IC with an on-chip mixer developed for digital cellular phones.

The

碌

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

碌

PC8001 features a low 3 mA (TYP.) and 2.2

碌

A (TYP.) current consumption at normal operation and

power-OFF, respectively. Its high-speed charge/discharge circuit enables fast power-ON/OFF switching.

The

碌

PC8001 boasts an extremely small size packaged in a 14-pin plastic shrink SOP, and low external

capacitances of less than 0.01

碌

F, in addition to an on-chip RSSI output resistor, and is most suitable for

high-density mounting.

FEATURES

鈥?Low-voltage operation鈥? V

鹵10%

鈥?Low power consumption鈥?V

CC

= 3 V)

Mixer

During operation

At power-OFF

2.1 mA (TYP.)

0

碌

A (TYP.)

IF amp. + RSSI

0.95 mA (TYP.)

2.2

碌

A (TYP.)

鈥?High limiting sensitivity鈥︹€?1 dBm (TYP.)

鈥?High-precision RSSI linearity鈥β?.5 dB (TYP.) (V

IF IN

= 鈥?6 to 鈥? dBm)

鈥?High-speed RSSI response time

RSSI output rise time

RSSI output fall time

77

碌

s (TYP.)

113

碌

s (TYP.)

鈥?High-speed power-ON/OFF switching time

Rise time at power-ON

Fall time at power-OFF

174

碌

s (TYP.)

3

碌

s (TYP.)

鈥?External capacitors of less than 0.01

碌

F

鈥?On-chip RSSI output resistor (34 k鈩?

鈥?Ultra-compact package鈥?4-pin plastic shrink SOP

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.

漏

漏

1994, 1995

1992

next

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