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AD1984 Datasheet(PDF) 5 Page - Analog Devices

Part No. AD1984
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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AD1984 Datasheet(HTML) 5 Page - Analog Devices

 
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AD1984
Rev. 0
|
Page 5 of 20
|
January 2007
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
Total Audible Out-of-Band Energy (Measured from 0.6 × fS to 20 kHz)
1
–85
dB
DAC Crosstalk (Input L, Zero R, Measure R_OUT; Input R, Zero L, Measure L_OUT)1
–95
dB
DAC VOLUMES
Step size (DAC-0, DAC-1)
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
ANALOG MIXER
Signal-to-Noise Ratio Input to Output – Ports B, C, or F, to Port D 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: Line out drive enabled
1.0
V rms
3
Ports A, D, E, F, and Mono Out
2.83
V p-p
Output Impedance
1
190
Ω
External Load Impedance1
10
k
Ω
Output Capacitance
1
15
pF
External Load Capacitance
1000
pF
ANALOG HP DRIVE OUTPUTS
Full-Scale Output Voltage: Line Out Drive Enabled
1.0
V rms3
Ports A and D (when HP Drive is Enabled)
2.83
V p-p
Output Impedance1
0.5
Ω
External Load Impedance
1
32
Ω
Output Capacitance1
15
pF
External Load Capacitance
1
1000
pF
ANALOG INPUTS
Input Voltages – Ports B, C, or E
Mic Boost = 0 dB
1
2.83
V rms3
V p-p
Input Voltages – Microphone Boost
Amplifier, Ports B, C, or E
Mic Boost = +10 dB
0.316
0.894
V rms3
V p-p
Mic Boost = +20 dB
0.1
0.283
V rms
3
V p-p
Mic Boost = +30 dB
0.032
0.089
V rms
3
V p-p
Input Impedance
PCBEEP
Ports B, C, E (Mic Boost = 0 dB)
Port F
23
150
45
k
Ω
k
Ω
k
Ω
Input Capacitance1
57.5
pF
Parameter
Min
Typ
Max
Unit


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