–2–

REV. A

AD1854–SPECIFICATIONS

TEST CONDITIONS UNLESS OTHERWISE NOTED

5.0 V

Ambient Temperature

25

°C

Input Clock

12.288 MHz (256

× F

Input Signal

1.0013 kHz

–0.5 dB Full Scale

Input Sample Rate

48 kHz

Measurement Bandwidth

20 Hz to 20 kHz

Word Width

20 Bits

Load Capacitance

100 pF

Load Impedance

47 k

Ω

Input Voltage HI

2.4 V

Input Voltage LO

0.8 V

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

ANALOG PERFORMANCE

Min

Typ

Max

Unit

Resolution

20

Bits

Signal-to-Noise Ratio (20 Hz to 20 kHz)

No Filter (AD1854JRS)

105

dB

No Filter (AD1854KRS)

110

dB

With A-Weighted Filter (AD1854JRS)

108

dB

With A-Weighted Filter (AD1854KRS)

112

dB

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

No Filter (AD1854JRS)

105

dB

No Filter (AD1854KRS)

106

110

dB

With A-Weighted Filter (AD1854JRS)

108

dB

With A-Weighted Filter (AD1854KRS)

108

113

dB

–88

–97

dB

–94

–101

dB

Total Harmonic Distortion + Noise (AD1854JRS and

–89

dB

Total Harmonic Distortion + Noise (AD1854JRS and

–49

dB

Analog Outputs

Differential Output Range (

±Full Scale)

5.6

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

2.25

V

DC Accuracy

Gain Error

–11.0

±3.0

+11.0

%

Interchannel Gain Mismatch

–0.15

+0.15

dB

Gain Drift

200

300

ppm/

°C

Interchannel Crosstalk (EIAJ Method)

–120

dB

Interchannel Phase Deviation

±0.1

Degrees

Mute Attenuation

–100

dB

De-Emphasis Gain Error

±0.1

dB

DIGITAL I/O (0 C to 70 C)

Min

Typ

Max

Unit

2.2

V

0.8

V

2.0

V

0.4

V

10

µA

10

µA

Input Capacitance

20

pF