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MP7643AS PDF预览

MP7643AS

更新时间: 2024-01-22 10:03:01
品牌 Logo 应用领域
艾科嘉 - EXAR 转换器光电二极管信息通信管理
页数 文件大小 规格书
12页 134K
描述
4-Channel, Programmable Gain Voltage Output, 15 MHz Input Bandwidth 8-Bit DACs with Multiplying Parallel Digital Data Port

MP7643AS 技术参数

生命周期:ObsoleteReach Compliance Code:unknown
风险等级:5.84最大模拟输出电压:3 V
最小模拟输出电压:-3 V转换器类型:D/A CONVERTER
输入位码:COMPLEMENTARY BINARY输入格式:PARALLEL, 8 BITS
JESD-30 代码:R-PDSO-G28标称负供电电压:-5 V
位数:8功能数量:1
端子数量:28最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified标称安定时间 (tstl):0.15 µs
标称供电电压:5 V表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子位置:DUAL
Base Number Matches:1

MP7643AS 数据手册

 浏览型号MP7643AS的Datasheet PDF文件第3页浏览型号MP7643AS的Datasheet PDF文件第4页浏览型号MP7643AS的Datasheet PDF文件第5页浏览型号MP7643AS的Datasheet PDF文件第7页浏览型号MP7643AS的Datasheet PDF文件第8页浏览型号MP7643AS的Datasheet PDF文件第9页 
MP7643  
t
AS  
t
AH  
A1, A0  
t
t
DS  
DH  
DB0 to DB7  
LD  
t
LD  
1/2 LSB  
1/2 LSB  
t
SD  
V
OUT  
Figure 1. Timing Diagram  
To DAC1 Latch Enable  
To DAC2 Latch Enable  
To DAC3 Latch Enable  
To DAC4 Latch Enable  
LD  
A1  
A0  
Operation  
2-4  
Decoder  
L
L
L
L
L
DAC1 Transparent  
DAC1 Latched  
A0, A1  
L
L
L
H
H
DAC2 Transparent  
DAC2 Latched  
L
H
H
L
L
DAC3 Transparent  
DAC3 Latched  
L
H
H
H
H
DAC4 Transparent  
DAC4 Latched  
LD  
H
X
X
No Operation  
Figure 2. Input Control Logic (Simplified)  
Block Diagram  
Table 1. Truth Table  
DAC Output Voltage  
VOi = VREFN + (VRi – AGND) (  
D7  
D6  
D5  
D4  
D3  
D2  
D1  
D0  
D
256  
)
MSB  
LSB  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
V
REFN  
1
256  
(V – V  
Ri  
) (  
) + V  
REFN  
REFN  
254  
256  
(V – V  
) (  
) (  
) + V  
REFN  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
Ri  
REFN  
255  
256  
(V – V  
) + V  
REFN  
Ri  
REFN  
Note: These outputs must be ratioed up for gain in the output amplifier.  
Table 2. DAC Transfer Function  
Analog Output vs. Digital Code (With V  
Shorted to INV)  
REF  
Rev. 1.00  
6

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