参数资料
型号: AD1838AASZ
厂商: Analog Devices Inc
文件页数: 22/24页
文件大小: 0K
描述: IC CODEC 2ADC/6DAC 24 BIT 52MQFP
标准包装: 1
类型: 立体声音频
数据接口: 串行
分辨率(位): 24 b
ADC / DAC 数量: 2 / 6
三角积分调变:
S/N 比,标准 ADC / DAC (db): 105 / 108
动态范围,标准 ADC / DAC (db): 105 / 108
电压 - 电源,模拟: 4.5 V ~ 5.5 V
电压 - 电源,数字: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 52-QFP
供应商设备封装: 52-MQFP(10x10)
包装: 托盘
REV. A
AD1838A
–7–
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
AGND
AVDD
OUTRP2
OUTRN2
OUTLP2
OUTLN2
OUTRP1
OUTRN1
OUTLP1
OUTLN1
PD/RST
CIN
CLATCH
DVDD
OUTLN3
OUTLP3
DGND
52
51
50
49
48
47
46
45
44
43
42
41
40
FILTD
FILTR
AGND
DAUXDATA
AGND
AVDD
ADCLN
ADCLP
ADCRN
ADCRP
AGND
DGND
CCLK
COUT
ASDATA
ODVDD
MCLK
ALRCLK
ABCLK
AAUXDATA3
DSDATA3
DSDATA2
DSDATA1
AD1838A
TOP VIEW
(Not to Scale
)
OUTRN3
OUTRP3
N/C
AGND
DLRCLK
DBCLK
27
28
29
30
31
32
33
34
35
36
37
38
39
M/S
DVDD
AVDD
14
15
16
17
18
19
20
21
22
23
24
25
26
PIN FUNCTION DESCRIPTIONS
Input/
Pin No.
Mnemonic
Output
Description
1, 39
DVDD
Digital Power Supply. Connect to digital 5 V supply.
2CLATCH
I
Latch Input for Control Data.
3
CIN
I
Serial Control Input.
4
PD/RST
I
Power-Down/Reset.
5, 10, 16, 24, 30, 34
AGND
Analog Ground.
6, 12, 25
OUTLNx
O
DACx Left Channel Negative Output.
7, 13, 26
OUTLPx
O
DACx Left Channel Positive Output.
8, 14, 27
OUTRNx
O
DACx Right Channel Negative Output.
9, 15, 28
OUTRPx
O
DACx Right Channel Positive Output.
11, 19, 29
AVDD
Analog Power Supply. Connect to analog 5 V supply.
17
FILTD
Filter Capacitor Connection. Recommended 10
F/100 nF.
18
FILTR
Reference Filter Capacitor Connection. Recommended 10
F/100 nF.
20
ADCLN
I
ADC Left Channel Negative Input.
21
ADCLP
I
ADC Left Channel Positive Input.
22
ADCRN
I
ADC Right Channel Negative Input.
23
ADCRP
I
ADC Right Channel Positive Input.
31 to 33
N/C
Not Connected.
35
M/S
I
ADC Master/Slave Select.
36
DAUXDATA
O
Auxiliary DAC Output Data.
37
DLRCLK
I/O
DAC LR Clock.
38
DBCLK
I/O
DAC Bit Clock.
40, 52
DGND
Digital Ground.
41 to 43
DSDATAx
I
DACx Input Data (Left and Right Channels).
44
AAUXDATA3
I
Auxiliary ADC3 Digital Input.
45
ABCLK
I/O
ADC Bit Clock.
46
ALRCLK
I/O
ADC LR Clock.
47
MCLK
I
Master Clock Input.
48
ODVDD
Digital Output Driver Power Supply.
49
ASDATA
O
ADC Serial Data Output.
50
COUT
O
Output for Control Data.
51
CCLK
I
Control Clock Input for Control Data.
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