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ADAU1781 Datasheet(PDF) 11 Page - Analog Devices

Part # ADAU1781
Description  Low Noise Stereo Codec
Download  93 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADAU1781 Datasheet(HTML) 11 Page - Analog Devices

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ADAU1781
Rev. B | Page 10 of 92
Parameter
Mode
Factor
Min
Typ
Max
Unit
DAC INTERPOLATION FILTER
Pass Band
48 kHz mode, typ value is for 48 kHz
0.4535 × f
S
22
kHz
96 kHz mode, typ value is for 96 kHz
0.3646 × f
S
35
69
kHz
Pass-Band Ripple
48 kHz mode, typ value is for 48 kHz
±0.01
dB
96 kHz mode, typ value is for 96 kHz
±0.05
dB
Transition Band
48 kHz mode, typ value is for 48 kHz
0.5 × f
S
24
kHz
96 kHz mode, typ value is for 96 kHz
0.5 × f
S
48
kHz
Stop Band
48 kHz mode, typ value is for 48 kHz
0.5465 × f
S
26
kHz
96 kHz mode, typ value is for 96 kHz
0.6354 × f
S
61
kHz
Stop-Band Attenuation
48 kHz mode, typ value is for 48 kHz
70
dB
96 kHz mode, typ value is for 96 kHz
70
dB
Group Delay
48 kHz mode, typ value is for 48 kHz
25/f
S
521
µs
96 kHz mode, typ value is for 96 kHz
11/f
S
115
µs
DIGITAL INPUT/OUTPUT SPECIFICATIONS
−25°C < TA < +85°C, IOVDD = 1.62 V to 3.63 V, unless otherwise specified.
Table 6.
Parameter
Conditions/Comments
Min
Typ
Max
Unit
HIGH LEVEL INPUT VOLTAGE (V
IH)
0.7 × IOVDD
V
LOW LEVEL INPUT VOLTAGE (V
IL)
IOVDD ≥ 2.97 V
0.3 × IOVDD
V
1.8 V ≤ IOVDD ≤ 2.97 V
0.2 × IOVDD
V
IOVDD < 1.8 V
0.1 × IOVDD
V
INPUT LEAKAGE
I
IH at VIH = 2.4 V
±0.17
µA
I
IL at VIL = 0.8 V
±0.17
µA
I
IL of MCKI
−7
µA
I
IH with internal pull-up
±0.7
µA
I
IL with internal pull-down
−7
µA
I
IH with internal pull-up
5
µA
I
IL with internal pull-down
±0.18
µA
HIGH LEVEL OUTPUT VOLTAGE (V
OH)
For low drive strength, I
OH = 2 mA and IOL = 2 mA
at IOVDD = 3.3 V, I
OH = 0.6 mA and IOL = 0.6 mA at
IOVDD = 1.8 V; for high drive strength, I
OH = 3 mA
and I
OL = 3 mA at IOVDD = 3.3 V, IOH = 0.9 mA and
I
OL = 0.9 mA at IOVDD = 1.8 V
IOVDD − 0.4
V
LOW LEVEL OUTPUT VOLTAGE (V
OL)
For low drive strength, I
OH = 2 mA and IOL = 2 mA
at IOVDD = 3.3 V, I
OH = 0.6 mA and IOL = 0.6 mA at
IOVDD = 1.8 V; for high drive strength, I
OH = 3 mA
and I
OL = 3 mA at IOVDD = 3.3 V, IOH = 0.9 mA and
I
OL = 0.9 mA at IOVDD = 1.8 V
0.4
V
INPUT CAPACITANCE
5
pF


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