AD1887 Analog Devices, AD1887 Datasheet - Page 3

• Manufacturer Part Number: AD1887
• Description: AC97 SoundMAX Codec
• Manufacturer: Analog Devices

ANALOG-TO-DIGITAL CONVERTERS
Parameter
Resolution
Total Harmonic Distortion (THD)
Dynamic Range (–60 dB Input THD + N Referenced to Full Scale, A-Weighted)
Signal-to-Intermodulation Distortion (CCIF Method)
ADC Crosstalk
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
DIGITAL-TO-ANALOG CONVERTERS
Parameter
Resolution
Total Harmonic Distortion (THD) HP_OUT
Dynamic Range (–60 dB Input THD + N Referenced to Full Scale, A-Weighted)
Signal-to-Intermodulation Distortion (CCIF Method)
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
DAC Crosstalk (Input L, Zero R, Measure R_OUT; Input R, Zero L,
Total Audible Out-of-Band Energy (Measured from 0.6 × f
ANALOG OUTPUT
Parameter
Full-Scale Output Voltage; HP_OUT
Output Impedance
External Load Impedance
Output Capacitance
External Load Capacitance
V
V
V
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)
STATIC DIGITAL SPECIFICATIONS
Parameter
High-Level Input Voltage (V
Low-Level Input Voltage (V
High-Level Output Voltage (V
Low-Level Output Voltage (V
Input Leakage Current
Output Leakage Current
POWER SUPPLY
Parameter
Power Supply Range—Analog (AV
Power Supply Range—Digital (DV
Power Dissipation—5 V/3.3 V
Analog Supply Current—5 V (AV
Digital Supply Current—3.3 V (DV
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)
Guaranteed but not tested.
REF
REF_OUT
REF_OUT
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
LINE_IN to Other
Measure L_OUT)
(At Both Analog and Digital Supply Pins, Both ADCs and DACs)
Current Drive
IL
IH
)
OL
OH
): Digital Inputs
), I
), I
DD
DD
DD
OL
DD
OH
)
)
)
= 2 mA
)
= 2 mA
S
to 20 kHz)
Min
84
Min
85
Min
32
2.05
Min
0.65 × DV
0.9 × DV
–10
–10
Min
4.75
3.15
DD
DD
Typ
16
–84
87
85
–100
–90
Typ
16
–75
90
–100
± 10
–40
Typ
1
2.83
2.25
2.25
± 5
Typ
Typ
253
36
22
40
Max
–90
–85
± 10
± 0.5
± 5
Max
± 0.7
–80
Max
800
15
100
2.45
5
Max
0.35 × DV
0.1 × DV
+10
+10
Max
5.25
3.45
AD1887
DD
DD
Unit
Bits
dB
dB
dB
dB
dB
%
dB
mV
Unit
Bits
dB
dB
dB
%
dB
dB
dB
Unit
V rms
V p-p
Ω
Ω
pF
pF
V
V
mA
mV
Unit
V
V
V
V
µA
µA
Unit
V
V
mW
mA
mA
dB