AD1986A Analog Devices, AD1986A Datasheet - Page 5

• Manufacturer Part Number: AD1986A
• Description: HD Audio SoundMAX Codec
• Manufacturer: Analog Devices

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4
SPECIFICATIONS
Test conditions, unless otherwise noted.
Table 1.
Parameter
Temperature
Digital Supply (DV
Analog Supply (AV
Sample Rate (F
Input Signal
Analog Output Pass Band
V
V
V
V
DAC Test Conditions
Calibrated
Output −3 dB Relative to Full Scale
10 kΩ Output Load: Line (Surround), Mono
32 Ω Output Load: Headphone
2 kΩ Output Load: Center, LFE
Table 2. Analog Input
Input Voltage
MIC_1/2, LINE_IN, CD, AUX, PHONE_IN (No Preamp)
C/LFE and SURROUND (When Used as Inputs)
MIC_1/2, LINE_IN, C/LFE With 30 dB Preamp
MIC_1/2, LINE_IN, C/LFE With 20 dB Preamp
MIC_1/2, LINE_IN, C/LFE With 10 dB Preamp
Input Impedance
Input Capacitance
1
2
Table 3. Master Volume
Parameter
Step Size (LINE_OUT, HP Out, Mono Out, SURROUND, CENTER, LFE)
Output Attenuation Range (0 dB to –46.5 dB)
Mute Attenuation of 0 dB Fundamental
Table 4. Programmable Gain Amplifier—ADC
Parameter
Step Size
PGA Gain Range Span (0 dB to 22.5 dB)
RMS values assume sine wave input.
Guaranteed by design, not production tested.
IH
IL
IH
IL
S
)
2
DD
2
DD
)
)
2
Rev. 0 | Page 5 of 56
ADC Test Conditions
Calibrated
0 dB PGA Gain
Input −3.0 dB Relative to Full Scale
Typ
25
3.3 ± 10%
5.0 ± 10%
48
1.0
20 Hz–20 kHz
2.0
0.8
2.4
0.6
Min
−80
Min
Min
Typ
1.5
22.5
Typ
−1.5
−46.5
Typ
1
2.83
0.032
0.089
0.1
0.283
0.316
0.894
20
5
Unit
°C
V
V
kHz
kHz
V
V
V
V
Max
Max
7.5
Max
AD1986A
Unit
dB
dB
Unit
dB
dB
dB
Unit
Vrms
V p-p
Vrms
V p-p
Vrms
V p-p
Vrms
V p-p
kΩ
pF
1