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參數(shù)資料
| 型號： | MAX5886EGK+TD |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT 3.3V 500MSPS 68-QFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 設(shè)置時間： | 11ns |
| 位數(shù)： | 12 |
| 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 |
| 功率耗散（最大）： | 130mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 68-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 68-QFN 裸露焊盤（10x10） |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 2 電流，單極 |
| 采樣率（每秒）： | 500M |
MAX5886
3.3V, 12-Bit, 500Msps High Dynamic
Performance DAC with Differential LVDS Inputs
12
______________________________________________________________________________________
If a single-ended unipolar output is desirable, IOUTP
should be selected as the output, with IOUTN ground-
ed. However, driving the MAX5886 single ended is not
recommended since additional noise is added (from
the ground plane) in such configurations.
The distortion performance of the DAC depends on the
load impedance. The MAX5886 is optimized for a 50
double termination. It can be used with a transformer
output as shown in Figure 7 or just one 50
resistor
from each output to ground and one 50
resistor
between the outputs. This produces a full-scale output
power of up to 0dBm depending on the output current
setting. Higher termination impedance can be used at
the cost of degraded distortion performance and
increased output noise voltage.
Adjacent Channel Leakage Power Ratio
(ACLR) Testing for CDMA- and
W-CDMA-Based Base Station
Transceiver Systems (BTS)
The transmitter sections of BTS applications serving
CDMA and W-CDMA architectures must generate carri-
ers with minimal coupling of carrier energy into the
adjacent channels. Similar to the GSM/EDGE model
(see the Multitone Testing for GSM/EDGE Applications
section), a transmit mask (Tx mask) exists for this appli-
cation. The spread-spectrum modulation function
applied to the carrier frequency generates a spectral
response, which is uniform over a given bandwidth (up
to 4MHz) for a W-CDMA-modulated carrier.
A dominant specification is ACLR, a parameter which
reflects the ratio of the power in the desired carrier
band to the power in an adjacent carrier band. The
specification covers the first two adjacent bands, and is
measured on both sides of the desired carrier.
According to the transmit mask for CDMA and W-CDMA
architectures, the power ratio of the integrated carrier
channel energy to the integrated adjacent channel
energy must be >45dB for the first adjacent carrier slot
(ACLR 1) and >50dB for the second adjacent carrier
slot (ACLR 2). This specification applies to the output of
the entire transmitter signal chain. The requirement for
only the DAC block of the transmitter must be tighter,
with a typical margin of >15dB, requiring the DAC’s
ACLR 1 to be better than 60dB. Adjacent channel leak-
age is caused by a single spread-spectrum carrier,
which generates intermodulation (IM) products
MAX5886
T2, 1:1
T1, 1:1
VOUT, SINGLE ENDED
WIDEBAND RF TRANSFORMER T2
PERFORMS THE DIFFERENTIAL TO
SINGLE-ENDED CONVERSION.
50
100
50
IOUTP
IOUTN
B0–B11
12
AVDD
DVDD
VCLK
AGND
DGND
CLKGND
Figure 7. Differential to Single-Ended Conversion Using a Wideband RF Transformer
MAX5886
50
100
50
IOUTP
IOUTN
B0–B11
12
AVDD
DVDD
VCLK
AGND
DGND
CLKGND
OUTP
OUTN
Figure 8. MAX5886 Differential Output Configuration
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相關(guān)代理商/技術(shù)參數(shù) |
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| MAX5886EVKIT | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Evaluation Kit for the MAX5886 MAX5887 MAX5888 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5887EGK | 制造商:Maxim Integrated Products 功能描述:3.3V, 14-BIT, 500MBPS HIGH DYNAMIC PERFORMAN - Rail/Tube |
| MAX5887EGK/GG8 | 制造商:Maxim Integrated Products 功能描述:3.3V, 14-BIT, 500MBPS HIGH DYNAMIC PERFORMAN - Rail/Tube |
| MAX5887EGK+D | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 500Msps 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5887EGK+TD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 500Msps 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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