AD1839A

Rev. B | Page 3 of 24

SPECIFICATIONS

TEST CONDITIONS

Supply Voltages

5.0 V (AVDD, DVDD)

Ambient Temperature

25°C

Input Clock

DAC Input Signal

1.0078125 kHz, 0 dBFS

ADC Input Signal

1.0078125 kHz, −1 dBFS

48 kHz

Measurement Bandwidth

0 Hz to 20 kHz

Word Width

24 bits

Load Capacitance

100 pF

Load Impedance

47 kΩ

Performance of all channels is identical (except for the Interchannel Gain Mismatch and Interchannel Phase Deviation specifications).

Table 1.

Parameter

Min

Typ

Max

Unit

ANALOG-TO-DIGITAL CONVERTERS

ADC Resolution

24

Bits

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

No Filter

103

dB

A-Weighted (48 kHz and 96 kHz)

100

105

dB

Total Harmonic Distortion + Noise (THD + N)

48 kHz

–95

–88.5

dB

96 kHz

–95

–87.5

dB

Interchannel Isolation

100

dB

Interchannel Gain Mismatch

0.025

dB

Analog Inputs

Differential Input Range (±Full Scale)

–2.828

+2.828

V

Common-Mode Input Voltage

2.25

V

Input Impedance

4

kΩ

Input Capacitance

15

pF

2.25

V

DC Accuracy

Gain Error

±5

%

Gain Drift

35

ppm/°C

DIGITAL-TO-ANALOG CONVERTERS

DAC Resolution

24

Bits

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

No Filter

103

105

dB

A-Weighted Filter (48 kHz and 96 kHz)

105

108

dB

Total Harmonic Distortion + Noise (48 kHz and 96 kHz)

–92

–90

dB

Interchannel Isolation

110

dB

DC Accuracy

Gain Error

±4

%

Interchannel Gain Mismatch

0.025

dB

Gain Drift

200

ppm/°C

Interchannel Phase Deviation

±0.1

Degrees

Volume Control Step Size (1023 Linear Steps)

0.098

%

Volume Control Range (Maximum Attenuation)

60

dB

Mute Attenuation

–100

dB

De-emphasis Gain Error

±0.1

dB

Full-Scale Output Voltage at Each Pin (Single-Ended)

1.0 (2.8)

V rms (V p-p)

Output Resistance at Each Pin

180

Ω

Common-Mode Output Voltage

2.25

V