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AD1882A Datasheet(PDF) 5 Page - Analog Devices

Part No. AD1882A
Description  High Definition Audio SoundMAX Codec
Download  20 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD1882A Datasheet(HTML) 5 Page - Analog Devices

 
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AD1882A
Rev. 0
|
Page 5 of 20
|
August 2008
DIGITAL-TO-ANALOG CONVERTERS
Resolution
24
Bits
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)1
±10
%
Interchannel Gain Mismatch (Difference of Gain Errors)
±0.5
dB
DAC Crosstalk
dB
(Input L, Zero R, Read R_OUT; Input R, Zero L, Read L_OUT)1
–95
dB
DAC VOLUMES
Step Size (DAC0, DAC1, DAC2)
1.5
dB
Output Gain/Attenuation Range
–58.5
0
dB
Mute Attenuation of 0 dB Fundamental1
–80
dB
ADC VOLUMES
Step Size (ADCSEL-0, ADCSEL-1)
1.5
dB
PGA Gain/Attenuation Range
–58.5
+22.5
dB
Mute Attenuation of 0 dB Fundamental1
–80
dB
ANALOG MIXER
Signal-to-Noise Ratio (SNR) Input to Output
95
dB
Step Size: All Mixer Inputs
1.5
dB
Input Gain/Attenuation Range: All Mixer Inputs
–34.5
+12.0
dB
ANALOG LINE LEVEL OUTPUTS
Full-Scale Output Voltage
1.0
V rms3
Ports C, E, F, and G Mono Out
2.83
V p-p
Output Impedance1
300
Ω
External Load Impedance
1
10
k
Ω
Output Capacitance1
15
pF
External Load Capacitance
1
1000
pF
ANALOG HP DRIVE OUTPUTS
Full-Scale Output Voltage
1.0
V rms
3
Ports A and D
2.83
V p-p
Output Impedance
1
0.5
Ω
External Load Impedance1
32
Ω
Output Capacitance
1
15
pF
External Load Capacitance1
1000
pF
ANALOG INPUTS
CD, Port D (When Used as Input)
1
2.83
V rms3
V p-p
Microphone Boost Amplifier, Ports B, C,
or E (When Used as Inputs)
Boost = 0 dB
1
2.83
V rms3
V p-p
Boost = 10 dB
0.316
0.894
V rms
3
V p-p
Boost = 20 dB
0.1
0.283
V rms
3
V p-p
Boost = 30 dB
0.032
0.089
V rms
3
V p-p
Input Impedance1
20
k
Ω
Input Capacitance
1
57.5
pF
DIGITAL GPIO PINS: GPIO_0, GPIO_1/EAPD
Input Signal High (VIH)DVGPIO
× 0.60
DVGPIO
V
Input Signal Low (VIL)0
DVGPIO
× 0.24
V
Input Leakage Current (Signal High), (IIH)
150
nA
Input Leakage Current (Signal Low), (IIL)50
μA
Output Signal High (VOH)IOUT = –500
μADVGPIO × 0.72
DVGPIO
V
Output Signal Low (VOL)IOUT = +1500
μA0
DVGPIO
× 0.10
V
DM_CLK
Output Signal High (VOH)IOUT = –500
μADVGPIO × 0.72
DVGPIO
V
Output Signal Low (VOL)IOUT = +1500
μA0
DVGPIO
× 0.10
V
Parameter
Min
Typ
Max
Unit


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