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參數(shù)資料
| 型號(hào)： | MAX5852 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Quadruple 2-Input Exclusive-OR Gates 14-CDIP -55 to 125 |
| 中文描述： | 雙路、8位、165Msps、電流輸出DAC |
| 文件頁數(shù)： | 15/18頁 |
| 文件大?。?/td> | 1290K |
| 代理商： | MAX5852 |
M
Dual, 8-Bit, 165Msps, Current-Output DAC
______________________________________________________________________________________
15
Applications Information
Differential-to-Single-Ended Conversion
The MAX5852 exhibits excellent dynamic performance
to synthesize a wide variety of modulation schemes,
including high-order QAM modulation with OFDM.
Figure 7 shows a typical application circuit with output
transformers performing the required differential-to-sin-
gle-ended signal conversion. In this configuration, the
MAX5852 operates in differential mode, which reduces
even-order harmonics, and increases the available out-
put power.
Differential DC-Coupled Configuration
Figure 8 shows the MAX5852 output operating in differ-
ential, DC-coupled mode. This configuration can be
used in communications systems employing analog
quadrature upconverters and requiring a baseband
sampling, dual-channel, high-speed DAC for I/Q synthe-
sis. In these applications, information bandwidth can
extend from 10MHz down to several hundred kilohertz.
DC-coupling is desirable to eliminate long discharge
time constants that are problematic with large, expensive
coupling capacitors. Analog quadrature upconverters
have a DC common-mode input requirement of typically
0.7V to 1.0V. The MAX5852 differential I/Q outputs can
maintain the desired full-scale level at the required 0.7V
to 1.0V DC common-mode level when powered from a
single 2.85V (±5%) supply. The MAX5852 meets this
low-power requirement with minimal reduction in dynam-
ic range while eliminating the need for level-shifting
resistor networks.
Power Supplies, Bypassing,
Decoupling, and Layout
Grounding and power-supply decoupling strongly influ-
ence the MAX5852 performance. Unwanted digital
crosstalk can couple through the input, reference,
power-supply, and ground connections, which can
affect dynamic specifications, like signal-to-noise ratio
DA0–DA7
8
MAX5852
1/2
50
100
50
OUTPA
OUTNA
V
OUTA
,
SINGLE ENDED
DB0–DB7
8
MAX5852
1/2
50
100
50
OUTPB
OUTNB
V
OUTB
,
SINGLE ENDED
CV
DD
DV
DD
AV
DD
CGND
DGND
AGND
Figure 7. Application with Output Transformer (Coilcraft
TTWB3010-1) Performing Differential-to-Single-Ended Conversion
DA0–DA7
8
MAX5852
1/2
1/2
50
50
CV
DD
DV
DD
AV
DD
CGND
DGND
AGND
OUTPA
OUTNA
DB0–DB7
8
MAX5852
50
50
OUTPB
OUTNB
Figure 8. Application with DC-Coupled Differential Outputs
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX5852ETL | Quadruple 2-Input Exclusive-OR Gates 14-CFP -55 to 125 |
| MAX5858 | Quadruple 2-Input Exclusive-OR Gates 14-CDIP -55 to 125 |
| MAX5858ECM | Dual, 10-Bit, 300Msps, Current-Output DAC with 4x/2x/1x Interpolation Filters |
| MAX5863 | Quadruple Differential Line Receiver 16-CDIP -55 to 125 |
| MAX5863ETM | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
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參數(shù)描述 |
|---|---|
| MAX5852ETL | 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 |
| MAX5852ETL+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch 165Msps 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 |
| MAX5852ETL+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch 165Msps 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 |
| MAX5852ETL-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 |
| MAX5852EVKIT | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Evaluation Kit for the MAX5851 MAX5852 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 |
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