AD1819A Analog Devices, AD1819A Datasheet - Page 3

• Manufacturer Part Number: AD1819A
• Description: ac '97 Soundport(r) Codec
• Manufacturer: Analog Devices

SPECIFICATIONS
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
Temperature
Digital Supply (V
Analog Supply (V
Sample Rate (F
Input Signal
Analog Output Passband
V
V
V
V
ANALOG INPUT
Parameter
Input Voltage (RMS Values Assume Sine Wave Input)
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
Parameter
Dynamic Range (–60 dB Input THD+N, Referenced to Full Scale, A-Weighted)
Step Size (+12 dB to –34.5 dB): (All Steps Tested)
Input Gain/Attenuation Range
Step Size (0 dB to –45 dB): (All Steps Tested)
Input Gain/Attenuation Range: PC_BEEP
DIGITAL DECIMATION AND INTERPOLATION FILTERS*
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.
REV. 0
IH
IL
IH
IL
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)
CD to LINE_OUT
Other to LINE_OUT*
MIC, LINE_IN, AUX, CD, VIDEO, PHONE_IN, DAC
MIC, LINE_IN, AUX, CD, VIDEO, PHONE_IN, DAC
PC_BEEP
(AC-Link)
(CHAIN_CLK)
(AC-Link)
(CS0, CS1, CHAIN_IN)
S
)
DD
CC
)
)
25
5.0
5.0
48
1008
20 Hz to 20 kHz
2.0
0.8
4.0
1.0
V
V
kHz
Hz
V
V
V
V
C
–3–
ADC Test Conditions
DAC Test Conditions
Calibrated
0 dB Attenuation
Input 0 dB
10 k Output Load
Mute Off
Calibrated
0 dB Gain
Input –3 dB Relative to Full Scale
Line Input Selected
Min
10
Min
Min
90
Min
0
0.4
0.6
–74
F
F
S
S
Typ
1.5
22.5
Typ
90
1.5
46.5
3.0
45
Typ
Typ
1
2.83
0.1
0.283
1
2.83
15
Max
Max
Max
Max
0.4
0.6
12/F
0.0
0.09
S
F
F
S
S
AD1819A
V p-p
V p-p
V rms
V p-p
dB
dB
dB
dB
dB
dB
Units
V rms
V rms
k
pF
Units
Units
dB
dB
dB
dB
Units
Hz
Hz
Hz
sec
s