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參數(shù)資料
| 型號： | MAX5851ETL+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 8BIT DUAL 80MSPS 40-TQFN |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 設(shè)置時間： | 12ns |
| 位數(shù)： | 8 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 40-WFQFN 裸露焊盤 |
| 供應商設(shè)備封裝： | 40-TQFN-EP（6x6） |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 4 電流，單極 |
| 采樣率（每秒）： | 80M |
MAX5851
Dual, 8-Bit, 80Msps, Current-Output DAC
______________________________________________________________________________________
15
DA0–DA7
8
MAX5851
1/2
50
100
50
OUTPA
OUTNA
VOUTA,
SINGLE ENDED
DB0–DB7
8
MAX5851
1/2
50
100
50
OUTPB
OUTNB
VOUTB,
SINGLE ENDED
CVDD
DVDD
AVDD
CGND
DGND
AGND
Figure 7. Application with Output Transformer (Coilcraft
TTWB3010-1) Performing Differential-to-Single-Ended Conversion
DA0–DA7
8
MAX5851
1/2
50
CVDD
DVDD
AVDD
CGND
DGND
AGND
OUTPA
OUTNA
DB0–DB7
8
MAX5851
50
OUTPB
OUTNB
Figure 8. Application with DC-Coupled Differential Outputs
Applications Information
Differential-to-Single-Ended Conversion
The MAX5851 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-
single-ended signal conversion. In this configuration,
the MAX5851 operates in differential mode, which
reduces even-order harmonics, and increases the
available output power.
Differential DC-Coupled Configuration
Figure 8 shows the MAX5851 output operating in differ-
ential, DC-coupled mode. This configuration can be
used in communication systems employing analog
quadrature upconverters and requiring a baseband
sampling, dual-channel, high-speed DAC for I/Q syn-
thesis. 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, expen-
sive coupling capacitors. Analog quadrature upcon-
verters have a DC common-mode input requirement of
typically 0.7V to 1.0V. The MAX5851 differential I/Q out-
puts 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
MAX5851 meets this low-power requirement with mini-
mal reduction in dynamic 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 MAX5851 performance. Unwanted digital
crosstalk can couple through the input, reference,
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| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
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