REV. 0

AD1887

–3–

ANALOG-TO-DIGITAL CONVERTERS

Parameter

Min

Typ

Max

Unit

Resolution

16

Bits

Total Harmonic Distortion (THD)

–84

dB

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

84

87

dB

85

dB

Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)

–100

–90

dB

LINE_IN to Other

–90

–85

dB

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

±10

%

Interchannel Gain Mismatch (Difference of Gain Errors)

±0.5

dB

ADC Offset Error

±5mV

DIGITAL-TO-ANALOG CONVERTERS

Parameter

Min

Typ

Max

Unit

Resolution

16

Bits

Total Harmonic Distortion (THD) HP_OUT

–75

dB

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

85

90

dB

–100

dB

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

±10

%

Interchannel Gain Mismatch (Difference of Gain Errors)

±0.7

dB

–80

dB

Measure L_OUT)

Total Audible Out-of-Band Energy (Measured from 0.6

–40

dB

ANALOG OUTPUT

Parameter

Min

Typ

Max

Unit

Full-Scale Output Voltage; HP_OUT

1

V rms

2.83

V p-p

800

Ω

32

Ω

15

pF

External Load Capacitance

100

pF

2.05

2.25

2.45

V

2.25

V

5mA

Mute Click (Muted Output Minus Unmuted Midscale DAC Output)

±5mV

STATIC DIGITAL SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

0.65

× DV

DD

V

0.35

0.9

V

0.1

× DV

DD

V

Input Leakage Current

–10

+10

µA

Output Leakage Current

–10

+10

µA

POWER SUPPLY

Parameter

Min

Typ

Max

Unit

4.75

5.25

V

3.15

3.45

V

Power Dissipation—5 V/3.3 V

253

mW

mA

mA

40

dB

(At Both Analog and Digital Supply Pins, Both ADCs and DACs)

*Guaranteed but not tested.