FX619L2 参数 Datasheet PDF下载

Specifications

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)

Source/sink current (supply pins)

±

30mA

(other pins)

±

20mA

Total device dissipation @ 25°C

800mW Max.

Derating (J and M1 packages)

10mW/°C

Derating (L1 and L2 packages)

13mW/°C

Operating temperature range:

FX619J

-40°C to +85°C (cerdip)

FX619L1/L2

-40°C to +85°C (plastic)

FX619M1

-40°C to +85°C (cerquad)

Storage temperature range:

FX619J

-55°C to +125°C (cerdip)

FX619L1/L2

-40°C to +85°C (plastic)

FX619M1

-55°C to +125°C (cerquad)

Operating Limits

All characteristics are measured using the following parameters unless otherwise specified:

V

DD

= 5.0V, T

AMB

= 25°C, Xtal/Clock f

0

= 1.024MHz, Audio Level 0dB ref (0dBm0) = 489 mV rms.

Audio Test Frequency = 820 Hz. Sample Clock Rate = 32kb/s. Compand Algorithm = 3-bit.

Characteristics

See Note

Min.

Typ.

Max.

Static Values

Supply Voltage

1

4.5

5.0

5.5

Supply Current (Enabled)

–

4.5

–

Supply Current (Powersave)

–

1.0

–

Inputs Logic '1'

8

3.5

–

–

Inputs Logic '0'

8

–

–

1.5

Outputs Logic '1'

8

4.0

–

–

Outputs Logic '0'

8

–

–

1.0

Digital Input Impedance

(Logic I/O pins)

1.0

10

–

Digital Input Impedance

(Logic input pins, pullup resistor)

2

300

–

–

Digital Output Impedance

–

–

4

Analogue Input Impedance

4

1

–

Analogue Output Impedance

7

–

–

800

Three State Output Leakage

Current (output disabled)

-4

–

+4

Insertion Loss

3

-2

–

+2

Dynamic Values

1

Encoder:

Analogue Signal Input Levels

5,9

-35

–

+6

Principle Integrator Frequency

–

275

–

Encoder Passband

3400

Compand Time Constant

–

4

–

Decoder:

Analogue Signal Output Levels

5,9

-35

–

+6

Decoder Passband

300

–

3400

Encoder Decoder (Full codec):

Compression Ratio (Cd = 0.5 to Cd = 0.0)

–

50

–

Passband

300

–

3400

Stopband

6

–

10

Stopband Attenuation

–

60

–

Passband Gain

–

0

–

Passband Ripple (300Hz –1400Hz)

-1

–

+1

(1400Hz – 2600Hz)

-1

–

+3

(2600Hz – 3400Hz)

-2

–

+3

Output Noise (Input short circuit)

9

–

–

-62

Perfect Idle Channel Noise (Encoder forced) 9

–

-63

–

Group Delay Distortion

6

(1000Hz to 2600Hz)

–

–

450

(600Hz to 2800Hz)

–

–

750

(500Hz to 3000Hz)

–

–

1.5

Xtal/Clock Frequency

500

1024

1500

– Notes to be used with these specifications are detailed on page 9 (overleaf)

8

Unit

V

mA

mA

V

V

V

V

MΩ

kΩ

kΩ

kΩ

Ω

µA

dB

dBm0

Hz

Hz

ms

dBm0

Hz

Hz

kHz

dB

dB

dB

dB

dB

dBm0p

dBm0p

µs

µs

ms

kHz

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