AD1984 Analog Devices, Inc., AD1984 Datasheet - Page 5

• Manufacturer Part Number: AD1984
• Description: High Definition Audio Soundmax Codec
• Manufacturer: Analog Devices, Inc.

Parameter
DIGITAL-TO-ANALOG CONVERTERS
DAC VOLUMES
ADC VOLUMES
ANALOG MIXER
ANALOG LINE LEVEL OUTPUTS
ANALOG HP DRIVE OUTPUTS
ANALOG INPUTS
Resolution
Gain Error (Full Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
Total Audible Out-of-Band Energy (Measured from 0.6 × f
DAC Crosstalk (Input L, Zero R, Measure R_OUT; Input R, Zero L, Measure L_OUT)
Step size (DAC-0, DAC-1)
Output Gain/Attenuation Range
Mute Attenuation of 0 dB Fundamental
Step size (ADCSEL-0, ADCSEL-1)
PGA Gain/Attenuation Range
Signal-to-Noise Ratio Input to Output – Ports B, C, or F, to Port D Output
Step Size: All Mixer Inputs
Input Gain/Attenuation Range: All Mixer Inputs
Full-Scale Output Voltage: Line out drive enabled
Ports A, D, E, F, and Mono Out
Full-Scale Output Voltage: Line Out Drive Enabled
Ports A and D (when HP Drive is Enabled)
Input Voltages – Ports B, C, or E
Input Voltages – Microphone Boost
Amplifier, Ports B, C, or E
Input Impedance
Input Capacitance
PCBEEP
Ports B, C, E (Mic Boost = 0 dB)
Port F
1
1
Output Impedance
External Load Impedance
Output Capacitance
External Load Capacitance
Output Impedance
External Load Impedance
Output Capacitance
External Load Capacitance
Mic Boost = 0 dB
Mic Boost = +10 dB
Mic Boost = +20 dB
Mic Boost = +30 dB
Rev. 0 | Page 5 of 20 | January 2007
S
to 20 kHz)
1
1
1
1
1
1
1
1
1
1
Min
–58.5
–58.5
–34.5
1.0
2.83
10
1.0
2.83
32
Typ
–85
–95
–80
1.5
–1.5
190
15
15
1
2.83
0.316
0.894
0.1
0.283
0.032
0.089
23
150
45
5
24
1.5
95
Max
0
+22.5
+12.0
1000
0.5
1000
7.5
10
0.5
AD1984
Unit
Bits
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V rms
V p-p
k
pF
pF
V rms
V p-p
pF
pF
V rms
V p-p
V rms
V p-p
V rms
V p-p
V rms
V p-p
k
k
k
pF
3
3
3
3
3
3