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参数资料
| 型号： | MAX5721AUA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC DAC 10BIT DUAL LP SER 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 设置时间： | 4µs |
| 位数： | 10 |
| 数据接口： | 串行 |
| 转换器数目： | 2 |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 2 电压，单极；2 电压，双极 |
| 采样率（每秒）： | * |
MAX5721
10-Bit, Low-Power, Dual, Voltage-Output
DAC with Serial Interface
______________________________________________________________________________________
11
CONTROL
DATA BITS
C3
C2
C1
C0
D9–D0
S1–S0
DAC
FUNCTION
00
XX
A
Input register transparent, data shifted directly to DAC register, OUTA updated
00
01
XX
B
Input register transparent, data shifted directly to DAC register, OUTB updated
01
00
XX
A
Data shifted to input register, OUTA unchanged
01
XX
B
Data shifted to input register, OUTB unchanged
10
00
XX
A
Shift data from input register to DAC register, OUTA updated
10
01
XX
B
Shift data from input register to DAC register, OUTB updated
11
00
XX
A-B
Input registers transparent, data shifted directly to DAC registers, OUTA and
OUTB updated
11
01
XX
A-B
Data shifted to input registers, OUTA and OUTB unchanged
11
10
XX
A-B
Shift data from input registers to DAC registers, OUTA and OUTB updated
X = Don’t Care
Table 2. Serial-Interface Programming Commands
DAC_
REF
VDD
OUT_
GND
IN
OUT
GND
MAX6050
MAX5721
+2.7V to +5.5V
Figure 3. Typical Operating Circuit, Unipolar Output
DAC_
MAX5721
REF
V-
V+
VOUT
R1
R2
OUT_
R1 = R2
VDD
GND
+2.7V to +5.5V
Figure 4. Bipolar Output Circuit
Applications Information
Unipolar Output
The typical application circuit (Figure 3) shows the
MAX5721 configured for a unipolar output, where the
output voltages and the reference inputs have the
same polarity. Table 3 lists the unipolar output codes.
Bipolar Output
The MAX5721 can be configured for bipolar operation
using a dual supply op amp (Figure 4). The transfer
function for bipolar operation is:
where DB is the decimal value of the DACs binary input
code. Table 4 shows digital codes (offset binary) and
corresponding output voltages for the circuit in Figure 4.
Power Supply and Layout Considerations
Careful PC board layout is important for optimal system
performance. To reduce noise injection and digital feed-
through, keep analog and digital signals separate.
Ensure that that the return path from GND to the supply
ground is short and low impedance. Use a ground
plane. Bypass VDD to GND with a 0.1F capacitor as
close as possible to VDD.
VV
2D
1024
OUT
REF
=
1
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相关代理商/技术参数 |
参数描述 |
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| MAX5721EUA | 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 |
| MAX5721EUA+ | 功能描述:数模转换器- DAC 10-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 |
| MAX5721EUA+T | 功能描述:数模转换器- DAC 10-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 |
| MAX5721EUA-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 |
| MAX5722AUA | 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 |
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