ad1984a Analog Devices, Inc., ad1984a Datasheet - Page 5

• Manufacturer Part Number: ad1984a
• 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
Output Gain/Attenuation Range
Mute Attenuation of 0 dB Fundamental
Step Size
PGA Gain/Attenuation Range
Signal-to-Noise Ratio Input to Output—Ports B, C, E, or F to Port D Output
Step Size: All Mixer Inputs
Input Gain/Attenuation Range: All Mixer Inputs
Full-Scale Output Voltage
Ports A, D, E, F, and Mono Out
Full-Scale Output Voltage
Ports A and D
Input Voltages—Ports B, C, E, or F
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 | April 2008
S
to 20 kHz)
1
1
1
1
1
1
1
1
1
1
Min
1.0
2.83
1.0
2.83
–58.5
–58.5
–34.5
10
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
95
24
1.5
Max
±10
±0.5
0
+22.5
+12.0
1000
0.5
1000
7.5
AD1984A
dB
Unit
Bits
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V rms
V p-p
Ω
kΩ
pF
pF
V rms
V p-p
Ω
Ω
pF
pF
V rms
V p-p
V rms
V p-p
V rms
V p-p
V rms
V p-p
kΩ
kΩ
kΩ
pF