µPC2539

4

ELECTRICAL SPECIFICATIONS (PRELIMINARY)

ABSOLUTE MAXIMUM RATINGS (Unless otherwise specified, TA=25

°C)

Parameter

Symbol

Conditions

Ratings

Unit

Supply voltage

VCC

VCC pin, VDD pin

7.0

V

Power dissipation

Pd

TA=85

°C

280

mW

Operating ambient temperature

Topt

–30 to +85

°C

Storage temperature

Tstg

–40 to +125

°C

Caution

Exposure to Absolute Macimum Rating for extended periods may affect device reliability;

exceeding the ratings could cause permanent damage. The parameters apply independently.

RECOMMENDED OPERATING CONDITIONS

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Sypply voltage

VCC

VCC pin, VDD pin

4.5

5.0

5.5

V

FM Demoulation Signal

Vin

MONO,

∆f=75kHz

280

mVrms

Input Voltage

ELECTRICAL CHARACTERISTICS (Unliss otherwise specified, TA=25

°C, VCC=VDD=5.0V)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Circuit current

ICC

No Signal

10

15

20

mA

SK Detection Sensitivity(ON)

Ssk1

SK ONLY

2.5

3.5

4.5

mVrms

SK Detection Sensitivity(OFF)

Ssk2

SK ONLY

1.0

2.0

3.0

mVrms

RDS Detection Sensitivity

Srds

RDS ONLY, DATA(101010..)

0.1

0.2

0.6

mVrms

SK Lock Up Time

Tsk

SK ONLY, Vsk=10mVrms

12

16

20

bit

RDS Lock Up Time 1

Trds1

RDS ONLY

10

40

80

bit

RDS Lock Up Time 2

Trds2

RDS+SK, Vsk=10mVrms

20

50

100

bit

Output Voltage(H Level)

VOH

Io=

±100

µA, Pin 4, 5, 6

4.90

4.95

–

V

Io=

±5

µA, Pin 7

4.90

4.95

–

V

Output Voltage(L Level)

VOL

Io=

±100

µA, Pin 4, 5, 6

–

0.05

0.10

V

Io=

±5

µA, Pin 7

–

0.05

0.10

V

Band-Pass-Filter Characteristics

Peak Gain

Av

fin=57kHz, Vin=10mVrms

22

25

28

dB

Pass Band Width

BW

Av-3dB

2.8

3.3

3.8

kHz

Attenuation 1

ATT1

fin=53kHz, Vin=10mVrms

23

27

31

dB

Attenuation 2

ATT2

fin=38kHz, Vin=10mVrms

75

85

–

dB

Maximum Input Level

Vinmax

fin=57kHz

120

150

–

mVp-p

Signal to Noise Ratio

S/N

fin=57kHz, Vin=3mVrms

25

30

–

dB

Input Impedance

Zin

26

35

44

k

Ω

Output Impedance

Zout

–

300

660

Ω