FX465D5 参数 Datasheet PDF下载

Specification

Absolute Maximum Ratings

Exceeding the maximum rating can result in device damage. Operation of the device outside the operating limits

is not implied.

Supply voltage

-0.3 to 7.0V

Input voltage at any pin (ref V

SS

= 0V)

-0.3 to (V

DD

+ 0.3V)

Sink/source current (supply pins)

+/- 30mA

(other pins)

+/- 20mA

550mW Max.

Total device dissipation @ T

AMB

25°C

Derating

9mW/°C

Operating temperature range:

FX465 D5

Storage temperature range:

FX465 D5

-40°C to +85°C

-55°C to +125°C

Operating Limits

All device characteristics are measured under the following conditions unless otherwise specified:

V

DD

= 3.3V to 5.0V. V

SS

= 0V. T

AMB

= 25°C. Xtal/Clock = 4.0MHz 100ppm. 0dB ref: = 750mVrms (proportional to

V

DD

, see Note 16.)

Composite Signal = 1.0kHz Test Tone at 300mVrms, Noise at 75mVrms (gaussian white noise, band-limited to

6.0kHz), Programmed CTCSS Tone at 30mVrms, fo = 100Hz.

Characteristics

Static Characteristics

Supply Voltage (V

DD

)

Supply Current

V

DD

= 5.0V

V

DD

= 3.3V

Analogue Input Impedance

Analogue Output Impedance

Digital Input Impedance

Input Logic ‘1’

Input Logic ‘0’

Output Logic ‘1’, source = 0.1mA

Output Logic ‘0’, sink = 0.1 mA

Dynamic Characteristics

Decoder

Pure Tone Decode Threshold

Composite Tone Decode Threshold

Decode Input Signal Level

Pure Tone Decode Response Time

Pure Tone Decode De-Response Time

Decode Response Time

De-Response Time

Decode Selectivity: Decode Bandwidth

Upper Decode Band Edge

Lower Decode Band Edge

Encoder

Tone Output Level

Tx Tone Frequency Accuracy (f

O

error)

Risetime to 90% (nominal output)

f

O

> 100Hz

f

O

< 100Hz

Total Harmonic Distortion

Audio Filter

Total Harmonic Distortion

Output Noise Level

(Input ac short cct, audio switch enabled)

SINAD

Spurious Emissions

Cut-Off Frequency

Bandpass Ripple (300Hz – 3000Hz)

Stopband Attenuation <250Hz

Passband Gain at 1.0kHz

See Note

Min.

2.7

-

-

-

-

-

70.0

-

80.0

-

Typ.

3.3/5.0

3.7

1.3

0.55

0.45

35.0

-

-

-

-

Max.

5.5

4.2

1.6

-

-

-

-

30.0

-

20.0

Unit

V

mA

mA

MΩ

kΩ

kΩ

%V

DD

%V

DD

%V

DD

%V

DD

mVrms

mVrms

dB

ms

ms

ms

ms

Hz

Hz

dB

%f

O

ms

ms

%

%

mVrms

dB

dB

Hz

dB

dB

dB

1

1

1

2

2

3

15

12, 13

12, 14

3, 6, 9

3, 9

3, 10

-

-

-20.0

95.0

95.0

-

-

1.005fo

1.005fo-1

7.0

-

-

115

130

-

180

1.015fo

0.985fo

0

-

15.0

45.0

1.5

1.5

0.5

50.0

-

300

1.0

36.0

0

15.0

30.0

3.5

140

170

250

250

0.995fo+1

0.995fo

1.0

+0.3

75

120

2.0

2.0

-

-

-48

-

1.8

-

0.5

11

-1.0

-0.3

-

-

-

-

-

40.0

-

-

-

33.0

-0.5

7

4, 9

4, 9

5, 7

7

7, 8

5, 7

5, 7