SPECIFICATIONS
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
AD1819B
25
5.0
5.0
48
1008
20 Hz to 20 kHz
2.0
0.8
4.0
1.0
°C
V
V
kHz
Hz
V
V
V
V
DAC Test Conditions
Calibrated
0 dB Attenuation
Input 0 dB
10 kΩ Output Load
Mute Off
ADC Test Conditions
Calibrated
0 dB Gain
Input –3 dB Relative to Full Scale
Line Input Selected
Min
Typ
1
2.83
0.1
0.283
1
2.83
10
15
Max
Units
V rms
V p-p
V rms
V p-p
V rms
V p-p
kΩ
pF
Temperature
Digital Supply (V
DD
)
Analog Supply (V
CC
)
Sample Rate (F
S
)
Input Signal
Analog Output Passband
V
IH
(AC-Link)
V
IL
(AC-Link)
V
IH
(CS0, CS1, CHAIN_IN)
V
IL
(CHAIN_CLK)
ANALOG INPUT
Parameter
Input Voltage (RMS Values Assume Sine Wave Input)
LINE_IN, AUX, CD, VIDEO, PHONE_IN, PC_BEEP
MIC1, MIC2 with +20 dB Gain (M20 = 1)
MIC1, MIC2 with 0 dB Gain (M20 = 0)
Input Impedance*
Input Capacitance*
PROGRAMMABLE GAIN AMPLIFIER—ADC
Parameter
Step Size (0 dB to 22.5 dB)
PGA Gain Range Span
ANALOG MIXER— INPUT GAIN/AMPLIFIERS/ATTENUATORS
Min
Typ
1.5
22.5
Max
Units
dB
dB
Parameter
Min
Typ
Max
Units
dB
dB
dB
dB
dB
dB
Dynamic Range (–60 dB Input THD+N, Referenced to Full Scale, A-Weighted)
CD to LINE_OUT
90
Other to LINE_OUT*
Step Size (+12 dB to –34.5 dB): (All Steps Tested)
MIC, LINE_IN, AUX, CD, VIDEO, PHONE_IN, DAC
Input Gain/Attenuation Range
MIC, LINE_IN, AUX, CD, VIDEO, PHONE_IN, DAC
Step Size (0 dB to –45 dB): (All Steps Tested)
PC_BEEP
Input Gain/Attenuation Range: PC_BEEP
DIGITAL DECIMATION AND INTERPOLATION FILTERS*
90
1.5
46.5
3.0
45
Parameter
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
*Guaranteed, not tested.
Specifications subject to change without notice.
Min
0
0.4
×
F
S
0.6
×
F
S
–74
Typ
Max
0.4
×
F
S
±
0.09
0.6
×
F
S
Units
Hz
dB
Hz
Hz
dB
sec
µs
∞
12/F
S
0.0
REV. 0
–3–
AD [ ANALOG DEVICES ]
