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參數(shù)資料
| 型號(hào)： | MAX5187BEEG+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 4/15頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 8BIT 40MHZ 24-QSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 設(shè)置時(shí)間： | 25µs |
| 位數(shù)： | 8 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-QSOP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 2 電流，單極 |
| 采樣率（每秒）： | * |
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MAX5187/MAX5190
8-Bit, 40MHz, Current/Voltage-Output DACs
12
______________________________________________________________________________________
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 MAX5187. 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 MAX5187/
MAX5190s 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 and phase mod-
ulated, created by summing two independently modu-
lated carriers of identical frequency but different phase
(90° phase difference).
THD
20
log
VVVV
V
2
3
2
4
2
5
2
1
=×
+++
400
*
400
*
REN
AGND
DGND
+5V
-5V
402
402
402
402
OUTP
CLK
OUTN
0.1
F
AVDD
RSET**
OUTPUT
MAX5187
MAX5190
10
F
+3V
0.1
F
0.1
F
REFR
REFO
D0–D7
10
F
CREF
0.1
F
AVDD
DVDD
MAX4108
*400
RESISTORS INTERNAL TO MAX5190 ONLY.
**MAX5187 ONLY
Figure 6. Differential to Single-Ended Conversion Using a Low-Distortion Amplifier
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5187BEEG+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit High Speed DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5187BEEG+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit High Speed DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5187BEEG-T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5188 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs |
| MAX5188_01 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, 8-Bit, 40MHz, Current/Voltage,Alternate-Phase Output DACs |
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