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MP7652AS 参数 Datasheet PDF下载

MP7652AS图片预览
型号: MP7652AS
PDF下载: 下载PDF文件 查看货源
内容描述: 4通道电压输出15 MHz的输入带宽, 8位乘法数模转换器与3线串行数字端口和独立参考 [4-Channel Voltage Output 15 MHz, Input Bandwidth, 8-Bit Multiplying DACs with 3-Wire Serial Digital Port and Independent References]
分类和应用: 转换器数模转换器
文件页数/大小: 16 页 / 181 K
品牌: EXAR [ EXAR CORPORATION ]
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MP7652
Inputs
PRESET
0
1
1
1
1
1
1
1
1
1
Internal
Address
LD
X
1
0
0→1
0
0→1
0
0→1
0
0→1
Output
SDO
X
Last bit
of shift reg.
Hi-Z
Last bit
of shift reg.
Hi-Z
Last bit
of shift reg.
Hi-Z
Last bit
of shift reg.
Hi-Z
Last bit
of shift reg.
SDI
X
Data In
X
X
X
X
X
X
X
X
CLK
X
0→1
X
X
X
X
X
X
X
X
A1
X
X
0
0
0
0
1
1
1
1
A0
X
X
0
0
1
1
0
0
1
1
Operation
Preset all DACs to
1/2 (V
REFP
+ V
REFN
)
Shift data in and out
DAC 1 Transparent
DAC 1 Latched
DAC 2 Transparent
DAC 2 Latched
DAC 3 Transparent
DAC 3 Latched
DAC 4 Transparent
DAC 4 Latched
Table 1. Digital Function Truth Table
Serial In/Serial Out
D7
MSB
0
0
D6
D5
D4
D3
D2
D1
D0 DAC Output Voltage
D
LSB V
OUTi
= V
REFNi
+ (V
REFPi –
V
REFNi
) (
256
)
0
1
V
REFN
1
(V
REFP
– V
REFN
) ( 256 ) + V
REFN
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
254
(V
REFP
– V
REFN
) ( 256 ) + V
REFN
255
(V
REFP
– V
REFN
) ( 256 ) + V
REFN
Table 2. DAC Transfer Function
Analog Output vs. Digital Code
Rev. 1.00
8