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DATA SHEET

BIPOLAR ANALOG INTEGRATED CIRCUIT

碌

PC8002

SECOND MIXER + IF AMPLIFIER

FOR DIGITAL CORDLESS TELEPHONES

The

碌

PC8002 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

碌

PC8002 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

鈥?Low-voltage, low-consumption-current operation possible (V

CC

= 2.7 to 5.5 V, I

CC

= 3.4 mA at V

CC

= 3 V)

鈥?Wide mixer input frequency range (f

MIX

= 250 MHz (TYP.) to 500 MHz (MAX.))

鈥?Wide IF amplifier input frequency range (f

IF

= 8 MHz (MIN.) to 12 MHz (MAX.), 10.7 MHz (TYP.))

鈥?High limiting sensitivity (S

L

= 鈥?00 dBm (TYP.))

鈥?Wide RSSI dynamic range (D

R

= 85 dB (TYP.))

鈥?On-chip power-off function

鈥?Use of 20-pin plastic shrink SOP (225 mil) allows high-density surface mounting

BLOCK DIAGRAM

GND

V

CC

BYPASS3 (IF OUT) (IF OUT) IF2 OUT

14

13

12

11

BYPASS1 IF1 IN

20

19

BYPASS2 IF1 OUT BYPASS4 IF2 IN

18

17

16

15

IF Amp 1

IF Amp 2

Output Stage

Power ON/OFF

2nd MIXER

RSSI

RSSI

1

2

3

4

5

6

7

8

9

10

PD

MIX OUT V

CC

(IF) V

CC

(MIX) LO IN

GND(IF) GND(MIX) MIX IN1 MIX IN2 RSSI OUT

ORDERING INFORMATION

Part Number

Package

20-pin plastic shrink SOP (225 mil)

20-pin plastic shrink SOP (225 mil)

Embossed carrier taping (pin 1 is tape unwinding direction)

碌

PC8002GR

碌

PC8002GR-E1

碌

PC8002GR-E2

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

漏

1997

next

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