TEST CONDITIONS UNLESS OTHERWISE NOTED

+5.0 V

Ambient Temperature

25

°C

11.2896 MHz (256

× F

Input Signal

1.0013 kHz

–0.5 dB Full Scale

Input Sample Rate

44.1 kHz

Measurement Bandwidth

20 Hz to 20 kHz

AD1857 Input Data Wordwidth

18 Bits

AD1858 Input Data Wordwidth

16 Bits

Load Capacitance

100 pF

Load Impedance

47 k

Ω

2.4 V

0.8 V

I

Performance of the right and left channels are identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation specifications).

Values in bold typeface are tested, all others are guaranteed, not tested.

ANALOG PERFORMANCE

Min

Typ

Max

Units

AD1857 Resolution

18

Bits

AD1858 Resolution

16

Bits

Dynamic Range (20 Hz to 20 kHz, –60 dB Input)

No A-Weight Filter

91

dB

With A-Weight Filter

94

dB

Total Harmonic Distortion + Noise

–90

–85

dB

0.003

0.006

%

Analog Outputs

Single-Ended Output Range (

± Full Scale)

2.8

3.0

3.2

V p-p

Output Impedance at Each Output Pin

<200

Ω

Output Capacitance at Each Output Pin

20

pF

Out-of-Band Energy (0.5

× F

–72.5

dB

CMOUT

2.1

2.25

2.4

V

DC Accuracy

Gain Error

±3.0

7.5

%

Interchannel Gain Mismatch

0.01

0.2

dB

Gain Drift

150

300

ppm/

°C

Interchannel Crosstalk (EIAJ method)

–120

–100

dB

Interchannel Phase Deviation

±0.1

Degrees

Mute Attenuation

–100

–90

dB

De-emphasis Gain Error

±0.1

dB

DIGITAL I/O

Min

Max

Units

2.4

V

0.8

V

10

µA

10

µA

Input Capacitance

20

pF

REV. 0

–2–

AD1857/AD1858–SPECIFICATIONS