ADAV802_15 datasheet(4/53 Pages) AD

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ADAV802

Preliminary Technical Data

Rev. Pr G | Page 4 of 53

Table 5. ADC Low-Pass Digital Decmation Filter Characteristics1

Sample Rate

Pass Band

Stop Band

Pass Band

(kHz)

Frequency (kHz)

Attenuation (dB)

Ripple (dB)

0.45314 × fS

0.54648 × fS

120

±0.01

TBD × fS

TBD

±TBD

1 Guaranteed by Design

Table 6. ADC High-Pass Digital Filter Characteristics (fS = 48 kHz)

Min

Typ

Max

Units

Cutoff Frequency

0.9

Table 7. SRC Section

Min

Typ

Max

Unit

Conditions

Resolution

Bits

Sample Rate

kHz

XIN = 27MHz

Maximum Sample Rate Ratios

Minimum SRC MCLK

138 × fS-MAX

fS-MAX is the greater of the input or

output sample rate

Upsampling

1:8

Downsampling

7.75:1

Dynamic Range

20 Hz to fS/2, 1 kHz, –60 dBFS Input

Unweighted

120

Worst Case - 96 kHz:8 kHz

A-Weighted

125

Worst Case - 96 kHz:8 kHz

Total Harmonic Distortion + Noise

−110

20 Hz to fS/2, 1 kHz, 0 dBFS Input

Table 8. DAC Section1

Min

Typ

Max

Unit

Conditions

Number of Channels

Resolution

Bits

Dynamic Range

(20 Hz to 20 kHz, −60 dB Input)

Unweighted

100

A-Weighted

TBD

103

A-Weighted

TBD

fS = 96 KHz

Total Harmonic Distorton + Noise

−96

Digital Input = −1.0 dBFS

Total Harmonic Distorton + Noise

TBD

Digital Input = −1.0 dBFS, fS = 96 KHz

Analog Outputs

Output Range (± Full Scale)

1.0

Vrms

Output Resistance

TBD

Ω

Common Mode Output Voltage

1.5

DC Accuracy

Gain Error

−1

Interchannel Gain Mismatch

0.01

Gain Drift

ppm/°C

Crosstalk (EIAJ Method)

125

Phase Deviation

TBD

Degrees

Mute Attenuation

−63

Volume Control Step Size (128 Steps)

0.5

Group Delay

TBD

µs

1 The figures quoted are target specifications and subject to change before release

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