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AC Considerations
Digital Feedthrough
High-speed serial data at any of the digital input or output
pins may couple through the DAC package and cause
internal stray capacitance to appear at the DAC output as
noise, even though CS is held high (see
Typical Operating
Characteristics). This digital feedthrough is tested by hold-
ing CS high transmitting 0101... from DIN to DOUT.
Analog Feedthrough
Because of internal stray capacitance, higher frequency
analog input signals may couple to the output as shown in
the Analog Feedthrough vs. Frequency graph in the
Typical Operating Characteristics. It is tested by holding
CS high, setting the DAC code to all 0s, and sweeping
REFIN.
MAX504/MAX515
5V, Low-Power, Voltage-Output,
Serial 10-Bit DACs
______________________________________________________________________________________
13
MAX504
INVERTED
R-2R DAC
DIN DOUT
SIGNAL
IN
2.048V
REFIN
VDD VSS
2R
CS CLR
BIPOFF
RFB
VOUT
REFOUT
Figure 9. MAX504 Connected as Four-Quadrant Multiplier. The
unused REFOUT is connected to VDD.
1
2
3
4
5
1
2
3
4
5
0
POSITIVE OFFSET
NEGATIVE OFFSET
DAC CODE (LSBs)
OUTPUT
(LSBs)
Figure 10. Single-Supply Offset
8
10
9
14
13
12
11
5
6
2
3
4
7
1
8
7
6
5
1
2
3
4
0.1
F
(b) MAX515 BYPASSING
(a) MAX504 BYPASSING
ANALOG GROUND PLANE
0.1
F
0.1
F
Figure 11. Power-Supply Bypassing
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相关代理商/技术参数
MAX504ESD 功能描述:数模转换器- DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
MAX504ESD+ 功能描述:数模转换器- DAC 10-Bit Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
MAX504ESD+T 功能描述:数模转换器- DAC 10-Bit Precision DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
MAX504ESD-T 功能描述:数模转换器- DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
MAX505 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Quad 8-Bit DACs with Rail-to-Rail Voltage Outputs
MAX505/MAX506 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Quad 8-Bit DACs with Rail-to Rail Voltage Outputs
MAX5051 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Parallelable, Clamped Two-Switch Power-Supply Controller IC
MAX5051AAUI+ 功能描述:开关变换器、稳压器与控制器 RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel