AD1986 datasheet(5/52 Pages) AD

No de pièce	AD1986

Description	AC ??7 SoundMAX CODEC

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Fabricant	AD [Analog Devices]

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AD1986

Rev. 0 | Page 5 of 52

SPECIFICATIONS

Test conditions, unless otherwise noted.

Table 1.

Parameter

Typ

Unit

Temperature

25

°C

Digital Supply (DVDD)

3.3 ±10%

V

Analog Supply (AVDD)

5.0 ±10%

V

Sample Rate (FS)

48

kHz

Input Signal

1,008

Hz

Analog Output Pass Band

20 Hz–20 kHz

VIH

2.0

V

VIL

0.8

V

VIH

2.4

V

VIL

0.6

V

DAC Test Conditions

Calibrated

Output −3 dB Relative to Full Scale

10 kΩ Output Load: Line (Surround), Mono, Center, and LFE

32 Ω Output Load: Headphone

ADC Test Conditions

Calibrated

0 dB PGA Gain

Input −3.0 dB Relative to Full Scale

Table 2. Analog Input

Input Voltage

Min

Typ

Max

Unit

MIC_1/2, LINE_IN, CD, AUX, PHONE_IN (No Preamp)

1

VRMS1

C/LFE and SURROUND (When Used as Inputs)

2.83

V p-p

MIC_1/2, LINE_IN, C/LFE With 30 dB Preamp

0.032

VRMS

0.089

V p-p

MIC_1/2, LINE_IN, C/LFE With 20 dB Preamp

0.1

VRMS

0.283

V p-p

MIC_1/2, LINE_IN, C/LFE With 10 dB Preamp

0.316

VRMS

0.894

V p-p

Input Impedance2

20

kΩ

Input Capacitance

2

5

7.5

pF

1 RMS values assume sine wave input.

2 Guaranteed by design, not production tested.

Table 3. Master Volume

Parameter

Min

Typ

Max

Unit

Step Size (LINE_OUT, HP Out, Mono Out, SURROUND, CENTER, LFE)

−1.5

dB

Output Attenuation Range (0 dB to –46.5 dB)

−6.5

dB

Mute Attenuation of 0 dB Fundamental

2

−80

dB

Table 4. Programmable Gain Amplifier—ADC

Parameter

Min

Typ

Max

Unit

Step Size

1.5

dB

PGA Gain Range Span (0 dB to 22.5 dB)

22.5

dB

Numéro de pièce similaire - AD1986

Fabricant	No de pièce	Fiches technique	Description
Analog Devices	AD1986A	365Kb / 56P	AC ??7 and HD Audio SoundMAX Codec REV. 0
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