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Applications Information
The MAX5223 is specified for single-supply operation
with VDD ranging from +2.7V to +5.5V, covering all
commonly used supply voltages in +3V and +5V sys-
tems.
Initialization
An internal POR circuit forces the outputs to zero scale
and initializes all internal registers to zero. Perform an
initial write operation to set the outputs to the desired
voltage at power-up.
Power-Supply and
Ground Management
GND should be connected to the highest quality
ground available. Bypass VDD with a 0.1F to 0.22F
capacitor to GND. The reference input can be used
without bypassing. For optimum line- and load-transient
response and noise performance, bypass the reference
input with 0.1F to 4.7F to GND. Careful PC board lay-
out minimizes crosstalk among DAC outputs, the refer-
ence, and digital inputs. Separate analog lines with
ground traces between them. Make sure that high-fre-
quency digital lines are not routed in parallel to analog
lines.
MAX5223
Low-Power, Dual, 8-Bit, Voltage Output
Serial DAC in 8-Pin SOT23
10
______________________________________________________________________________________
12
1
256
8
LSB
REF
ANALOG OUTPUT
REF
D
=×
Table 4. Code Table
0V
0
+×
REF
1
256
1
0
+×
REF
127
256
1
0
+×
=+
REF
128
256
2
0
1
+×
REF
129
256
1
0
1
+×
REF
255
256
1
ANALOG
OUTPUT
D0
D1
D2
D3
D4
D5
D6
D7
DAC CONTENTS
Note:
where D = decimal
value of digital input
Chip Information
TRANSISTOR COUNT: 1480
PROCESS TECHNOLOGY: BiCMOS
CS
SCLK
DIN
tDS
tDH
tCL
tCH
tCSS
tCSPWH
tCSH
Figure 3. Detailed Serial-Interface Timing Diagram
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相关代理商/技术参数
MAX5223EKA-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
MAX522CPA 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
MAX522CPA+ 功能描述:数模转换器- DAC 8-Bit 2Ch 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
MAX522CSA 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
MAX522CSA+ 功能描述:数模转换器- DAC 8-Bit 2Ch 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
MAX522CSA+T 功能描述:数模转换器- DAC 8-Bit 2Ch 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
MAX522CSA-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
MAX522EPA 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