AD1986 datasheet(7/52 Pages) AD

No. de pieza	AD1986

Descripción Electrónicos	AC ??7 SoundMAX CODEC

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Fabricante Electrónico	AD [Analog Devices]

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AD1986

Rev. 0 | Page 7 of 52

Table 8. Digital-to-Analog Converters

Parameter

Min

Typ

Max

Unit

Resolution

24

Bits

Total Harmonic Distortion (LINE_OUT Drive)

−92

dB

Total Harmonic Distortion HP_OUT

−75

dB

Dynamic Range (−60 dB Input, THD + N referenced to Full Scale, A-Weighted)

91

dB

Gain Error (Full-Scale Span Relative to Nominal Input Voltage)

±10

%

Interchannel Gain Mismatch (Difference of Gain Errors)

±0.7

dB

DAC Crosstalk1 (Input L, Zero R, Read R_OUT; Input R, Zero L, Read L_OUT)

−80

dB

1 Guaranteed by design, not production tested.

Table 9. Analog Output

Parameter

Min

Typ

Max

Unit

FULL-SCALE OUTPUT VOLTAGE: SURROUND, CENTER/LFE, MONO_OUT

1

VRMS

2.83

V p-p

Output Impedance1

300

Ω

External Load Impedance1

10

kΩ

Output Capacitance1

15

pF

External Load Capacitance

1,000

pF

FULL-SCALE OUTPUT VOLTAGE: HP_OUT, LINE_OUT

1

VRMS

2.83

V p-p

Output Impedance1

1

Ω

External Load Impedance1

32

Ω

Output Capacitance1

15

pF

External Load Capacitance1

1,000

pF

VREF_FILT, AVDD = 5.0 V

2.050

2.250

2.450

V

AVDD = 3.3 V

1.125

V

VREF_OUT(MIC, C/LFE, LIN) (xVREF [2:0] = 001)

2.250

V

(xVREF [2:0] = 100, AVDD = 5.0 V)

3.700

V

(xVREF [2:0] = 100, AVDD = 3.3 V)

2.250

V

(xVREF [2:0] = 010)

0.0

V

Current Drive

5

mA

Mute Click (Muted Output, Unmuted Midscale DAC Output)

±5

mV

Table 10. Static Digital Specifications—AC ’97

Parameter

Min

Typ

Max

Unit

High Level Input Voltage (VIH), Digital Inputs

0.65 × DVDD

V

Low Level Input Voltage (VIL)

0.35 × DVDD

V

High Level Output Voltage (VOH), IOH = 2 mA

0.90 × DVDD

V

Low Level Output Voltage (VOL), IOL = 2 mA

0.10 × DVDD

V

Input Leakage Current

−10

10

µA

Output Leakage Current

−10

10

µA

Input/Output Pin Capacitance

7.5

pF

Número de pieza similar - AD1986

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
Analog Devices	AD1986A	365Kb / 56P	AC ??7 and HD Audio SoundMAX Codec REV. 0
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