參數(shù)資料
型號: EVAL-ADAU1781Z
廠商: Analog Devices Inc
文件頁數(shù): 2/92頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR ADAU1781
標(biāo)準(zhǔn)包裝: 1
系列: SigmaDSP®
主要目的: 音頻編解碼器
嵌入式: 是,DSP
已用 IC / 零件: ADAU1781
主要屬性: 立體聲,24 位,8 ~ 96 kHz 采樣率,GUI 工具
次要屬性: *
已供物品: *
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
s
96 kHz mode, typ value is for 96 kHz
11/f
S
115
s
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
A
I
IL at VIL = 0.8 V
±0.17
A
I
IL of MCKI
7
A
I
IH with internal pull-up
±0.7
A
I
IL with internal pull-down
7
A
I
IH with internal pull-up
5
A
I
IL with internal pull-down
±0.18
A
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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