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參數(shù)資料
| 型號： | MAX5180BEEI+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 10BIT 40MHZ DUAL 28-QSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 50 |
| 設置時間： | 25µs |
| 位數(shù)： | 10 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 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： | 28-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 28-QSOP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 4 電流，單極 |
| 采樣率（每秒）： | * |
| 產(chǎn)品目錄頁面： | 1397 (CN2011-ZH PDF) |
MAX5180/MAX5183
Dual, 10-Bit, 40MHz, Current/Voltage
Simultaneous-Output DACs
12
______________________________________________________________________________________
I/Q Reconstruction in a QAM Application
The MAX5180/MAX5183’s low-distortion supports ana-
log reconstruction of in-phase (I) and quadrature (Q)
carrier components typically used in QAM (quadrature
amplitude modulation) architectures where I and Q
data are interleaved on a common data bus. A QAM
signal is a carrier frequency that is both amplitude and
phase modulated, and is created by summing two
independently modulated carriers of identical frequency
but different phase (90° phase difference).
In a typical QAM application (Figure 6), the modulation
occurs in the digital domain and the MAX5180/
MAX5183’s dual DACs may be used to reconstruct the
analog I and Q components.
The I/Q reconstruction system is completed by a quad-
rature modulator that combines the reconstructed I and
Q components with in-phase and quadrature phase
carrier frequencies, then sums both outputs to provide
the QAM signal.
Grounding and Power-Supply Decoupling
Grounding and power-supply decoupling strongly influ-
ence the MAX5180/MAX5183’s performance. Unwanted
digital crosstalk may couple through the input, refer-
ence, power-supply, and ground connections, which
may affect dynamic specifications like signal-to-noise
ratio or spurious-free dynamic range. In addition, elec-
tromagnetic interference (EMI) can either couple into or
be generated by the MAX5180/MAX5183. Therefore,
AGND
DGND
OUT1P
CREF2
CREF1
OUT1N
OUT2P
OUT2N
0.1F
AVDD
AVDD AVDD
RSET**
*400 RESISTORS INTERNAL TO MAX5183 ONLY.
**MAX5180 ONLY
MAX5180
MAX5183
10F
3V
0.1F
CLK
REFR
REFO
D0–D9
10F
400*
5V
-5V
402
DVDD
402
OUTPUT1
REN
400*
-5V
402
OUTPUT2
MAX4108
Figure 5. Differential to Single-Ended Conversion Using a Low-Distortion Amplifier
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5180BEEI+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 2Ch 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)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5180BEEI+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 2Ch 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)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5180BEEI-T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 2Ch 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)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5181 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit, 40MHz, Current/Voltage-Output DACs |
| MAX5181_10 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit, 40MHz, Current/Voltage-Output DACs |
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