AD1815JS 데이터 시트보기 (PDF) - Analog Devices

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AD1815JS

SoundComm Controller

Analog Devices 

SPECIFICATIONS

STANDARD TEST CONDITIONS UNLESS

OTHERWISE NOTED

Temperature

25

°C

Digital Supply (VDD)

Analog Supply (VCC)

Sample Rate (FS)

Audio

5.0

V

5.0

V

48

kHz

Modem

12.8

kHz

Input Signal

1008

Hz

Audio Output Passband

20 Hz to 20 kHz

Modem Output Passband

400 Hz to 4.2 kHz

VIH

5.0

V

VIL

0

V

ANALOG INPUT

Parameter

Full-Scale Input Voltage (RMS Values Assume Sine Wave Input)

MONO_IN, LINE, SYNTH, CD, VID

MDM_IN

MIC with +20 dB Gain (MGE = 1)

MIC with 0 dB Gain (MGE = 0)

Input Impedance*

Input Capacitance*

AD1815

DAC Test Conditions

Calibrated

0 dB Attenuation

Input Full Scale

16-Bit Linear Mode

100 kΩ Output Load

Mute Off

Measured at Line Output

ADC Test Conditions

Calibrated

0 dB Gain

Input –1.0 dB Relative to Full Scale

Line Input Selected

16-Bit Linear Mode

Min

Typ

Max

1

2.83

3.156

0.1

0.283

1

2.83

17

15

Units

V rms

V p-p

V p-p

V rms

V p-p

V rms

V p-p

kΩ

pF

PROGRAMMABLE GAIN AMPLIFIER—ADC

Parameter

Step Size (0 dB to 22.5 dB)

(All Steps Tested)

PGA Gain Range Span

Min

Typ

Max

1.3

1.5

1.7

21.5

22.5

23.5

Units

dB

dB

CD, LINE, MICROPHONE, MODEM, SYNTHESIZER, AND VIDEO INPUT ANALOG GAIN/

AMPLIFIERS/ATTENUATORS

Parameter

Min

Typ

CD, LINE, MIC, SYNTH, VID, MDM_IN

Step Size: (All Steps Tested)

+12 dB to –31.5 dB

–33 dB to –34.5 dB

Input Gain/Attenuation Range

MONO_IN

Step Size 0 dB to –45 dB: (All Steps Tested)

Input Gain/Attenuation Range

1.3

1.5

1.0

1.5

45.5

46.5

2.6

3.0

43

45

Max

1.7

2.0

47.5

3.4

46

Units

dB

dB

dB

dB

dB

REV. 0

–3–

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