ADSP-1981BL_15 Datasheet, PDF (3/32 Pages) Analog Devices – AC 97 SoundMAX Codec

SPECIFICATIONS
TEST CONDITIONS
Standard test conditions, unless otherwise noted.
Table 1.
Parameter
Temperature
Digital Supply (DVDD)
Analog Supply (AVDD)
Sample Rate (fS)
Input Signal
Analog Output Pass Band
DAC
ADC
Test Condition
25°C
3.3 V
3.3 V
48 kHz
1008 Hz
20 Hz to 20 kHz
Calibrated
−3 dB Attenuation Relative to Full Scale
0 dB Input
10 kΩ Output Load (LINE_OUT)
32 Ω Output Load (HP_OUT)
Calibrated
0 dB Gain
Input −3.0 dB Relative to Full Scale
GENERAL SPECIFICATIONS
Table 2.
Parameter
Min
ANALOG INPUT
Input Voltage (RMS Values Assume Sine Wave Input)
LINE_IN, AUX, CD, PHONE_IN
MIC_IN with 20 dB Gain
MIC_IN with 0 dB Gain
Input Impedance¹
Input Capacitance¹
MASTER VOLUME
Step Size (0 dB to −46.5 dB): LINE_OUT_L, LINE_OUT_R
Output Attenuation Range¹
Step Size (0 dB to −46.5 dB): MONO_OUT
Output Attenuation Range¹
Step Size (0 dB to −46.5 dB): HP_OUT_R, HP_OUT_L
Output Attenuation Range Span¹
Mute Attenuation of 0 dB Fundamental¹
80
PROGRAMMABLE GAIN AMPLIFIER—ADC
Step Size (0 dB to 22.5 dB)
PGA Gain Range
ANALOG MIXER—INPUT GAIN/AMPLIFIERS/ATTENUATORS
Signal-to-Noise Ratio (SNR)
CD to LINE_OUT
Other to LINE_OUT¹
Rev. A | Page 3 of 32
AD1981BL
Typ Max
0.707
2.0
0.0707
0.2
1.707
2.0
20
5
7.5
1.5
46.5
1.5
46.5
1.5
46.5
1.5
22.5
90
90
Unit
V rms
V p-p
V rms
V p-p
V rms
V p-p
kΩ
pF
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB