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参数资料
| 型号： | MAX5184BEEG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC DAC 10BIT DUAL 40MHZ 24-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 设置时间： | 25µs |
| 位数： | 10 |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 24-QSOP |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 2 电压，单极 |
| 采样率（每秒）： | * |
MAX5181/MAX5184
10-Bit, 40MHz, Current/Voltage-Output DACs
______________________________________________________________________________________
11
Offset Error
Offset error (Figure 5c) is the difference between the
ideal and the actual offset point. For a DAC, the offset
point is the step value when the digital input is zero.
This error affects all codes by the same amount and
can usually be compensated by trimming.
Gain Error
Gain error (Figure 5d) is the difference between the
ideal and the actual full-scale output voltage on the
transfer curve, after nullifying the offset error. This error
alters the slope of the transfer function and corre-
sponds to the same percentage error in each step.
Settling Time
Settling time is the amount of time required from the start
of a transition until the DAC output settles its new output
value to within the converter’s specified accuracy.
Digital Feedthrough
Digital feedthrough is the noise generated on a DAC’s
output when any digital input transitions. Proper board
layout and grounding will significantly reduce this
noise, but there will always be some feedthrough
caused by the DAC itself.
Total Harmonic Distortion
Total harmonic distortion (THD) is the ratio of the RMS
sum of the input signal’s first four harmonics to the fun-
damental itself. This is expressed as:
where V1 is the fundamental amplitude, and V2 through
V5 are the amplitudes of the 2nd- through 5th-order
harmonics.
Spurious-Free Dynamic Range
Spurious-free dynamic range (SFDR) is the ratio of RMS
amplitude of the fundamental (maximum signal compo-
nent) to the RMS value of the next-largest distortion com-
ponent.
Differential to Single-Ended Conversion
The MAX4108 low-distortion, high-input bandwidth
amplifier may be used to generate a voltage from the
array current output of the MAX5181. The differential
voltage across OUTP and OUTN is converted into a
single-ended voltage by designing an appropriate
operational amplifier configuration (Figure 6).
I/Q Reconstruction
in a QAM Application
The low-distortion performance of two MAX5181/
MAX5184s supports analog reconstruction of in-phase
(I) and quadrature (Q) carrier components typically
used in quadrature amplitude modulation (QAM) archi-
tectures where two separate buses carry the I and Q
data. A QAM signal is both amplitude (AM) and phase
modulated, created by summing two independently
modulated carriers of identical frequency but different
phase (90° phase difference).
In a typical QAM application (Figure 7), the modulation
occurs in the digital domain, and two DACs such as the
MAX5181/MAX5184 may be used to reconstruct the
analog I and Q components.
THD
20
log
(V
V
)
V
2
3
2
4
2
5
2
1
=×
++
+
Figure 4. Timing Diagram
CLK
D0–D9
OUT
N - 1
N
N + 1
tDS
tDH
tCH
tCL
tCLK
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| MAX5181BEEG+T | IC DAC 10BIT DUAL 40MHZ 24-QSOP |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5184ETG | 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 |
| MAX5184ETG+ | 功能描述:数模转换器- DAC 10-Bit High Speed 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 |
| MAX5184ETG+T | 功能描述:数模转换器- DAC 10-Bit High Speed 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 |
| MAX5184ETG-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 |
| MAX5184ETV | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:10-Bit, 40MHz, Current/Voltage-Output DACs |
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