參數(shù)資料
型號(hào): EVAL-AD1974EB
廠商: Analog Devices, Inc.
元件分類: Codec
英文描述: 4 ADC with PLL, 192 kHz, 24-Bit Codec
中文描述: 4 ADC,具有鎖相環(huán),192千赫,24位編解碼器
文件頁(yè)數(shù): 6/24頁(yè)
文件大小: 307K
代理商: EVAL-AD1974EB
AD1974
Parameter
PLL
Lock Time
256 f
S
VCO Clock
Output Duty Cycle
MCLK_O Pin
SPI PORT
t
CCH
t
CCL
f
CCLK
Rev. 0 | Page 6 of 24
Condition
MCLK and LRCLK input
CCLK high
CCLK low
CCLK frequency
Comments
See Figure 5
f
CCLK
= 1/t
CCP
; only t
CCP
shown in Figure 5
Min
40
35
35
Max
10
60
10
Unit
ms
%
ns
ns
MHz
t
CDS
t
CDH
t
CLS
t
CLH
t
CLHIGH
t
COE
t
COD
t
COH
t
COTS
ADC SERIAL PORT
t
ABH
t
ABL
t
ALS
t
ALH
t
ALS
t
ABDD
AUXILIARY INTERFACE
t
XDS
t
XDH
t
XBH
t
XBL
t
XLS
t
XLH
CDATA setup
CDATA hold
Setup
Hold
High
COUT enable
COUT delay
COUT hold
COUT tristate
ABCLK high
ABCLK low
ALRCLK setup
ALRCLK hold
ALRCLK skew
ASDATA delay
AAUXDATA setup
AAUXDATA hold
AUXBCLK high
AUXBCLK low
AUXLRCLK setup
AUXLRCLK hold
To CCLK rising
From CCLK rising
To CCLK rising
From CCLK falling
Not shown in Figure 5
From CCLK falling
From CCLK falling
From CCLK falling, not shown in Figure 5
From CCLK falling
See Figure 13
Slave mode
Slave mode
To ABCLK rising, slave mode
From ABCLK rising, slave mode
From ABCLK falling, master mode
From ABCLK falling
See Figure 12
To AUXBCLK rising
From AUXBCLK rising
To AUXBCLK rising
From AUXBCLK rising
10
10
10
10
10
30
10
10
10
5
8
10
5
10
10
10
5
30
30
30
+8
18
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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