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參數(shù)資料
| 型號： | MAX5874EGK+D |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 14BIT 200MSPS DUAL 68-QFN |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 30 |
| 設置時間： | 14ns |
| 位數(shù)： | 14 |
| 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 |
| 功率耗散（最大）： | 300mW |
| 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 |
| 供應商設備封裝： | 68-QFN 裸露焊盤（10x10） |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 4 電流，單極 |
| 采樣率（每秒）： | 200M |
| 產(chǎn)品目錄頁面： | 1398 (CN2011-ZH PDF) |
MAX5874
14-Bit, 200Msps, High-Dynamic-Performance,
Dual DAC with CMOS Inputs
10
______________________________________________________________________________________
Analog Outputs
(OUTIP, OUTIN, OUTQP, OUTQN)
Each MAX5874 DAC outputs two complementary cur-
rents (OUTIP/N, OUTQP/N) that operate in a single-
ended or differential configuration. A load resistor
converts these two output currents into complementary
single-ended output voltages. A transformer or a differ-
ential amplifier configuration converts the differential
voltage existing between OUTIP (OUTQP) and OUTIN
(OUTQN) to a single-ended voltage. If not using a
transformer, the recommended termination from the
output is a 25 termination resistor to ground and a
50 resistor between the outputs.
To generate a single-ended output, select OUTIP (or
OUTQP) as the output and connect OUTIN (or OUTQN)
to GND. SFDR degrades with single-ended operation.
Figure 3 displays a simplified diagram of the internal
output structure of the MAX5874.
Clock Inputs (CLKP, CLKN)
The MAX5874 features flexible differential clock inputs
(CLKP, CLKN) operating from a separate supply
(AVCLK) to achieve the optimum jitter performance.
Drive the differential clock inputs from a single-ended
or a differential clock source. For single-ended opera-
tion, drive CLKP with a logic source and bypass CLKN
to GND with a 0.1F capacitor.
CLKP and CLKN are internally biased to AVCLK / 2. This
facilitates the AC-coupling of clock sources directly to
the device without external resistors to define the DC
level. The dynamic input resistance from CLKP and
CLKN to ground is > 5k.
Data Timing Relationship
Figure 4 displays the timing relationship between digital
CMOS data, clock, and output signals. The MAX5874
features a 1.5ns hold, a -1.2ns setup, and a 1.1ns propa-
gation delay time. A nine (eight)-clock-cycle latency
exists between CLKP/CLKN and OUTIP/OUTIN
(OUTQP/OUTQN) when operating in single-port (inter-
leaved) mode. In dual-port (parallel) mode, the clock
latency is 5.5 clock cycles for both channels. Table 2
shows the DAC output codes.
LATCH
XOR/
DECODE
LATCH
CMOS
RECEIVER
LATCH
DAC
OUTIP
OUTIN
LATCH
XOR/
DECODE
LATCH
DAC
OUTQP
OUTQN
FSADJ
TORB
SELIQ
XOR
AVCLK
CLKN
GND
CLKP
CLK
INTERFACE
DATA13–
DATA0
1.2V
REFERENCE
POWER-DOWN
BLOCK
REFIO
DACREF
PD
GND
DVDD1.8
DVDD3.3
GND
AVDD1.8
AVDD3.3
DORI
MAX5874
Figure 1. MAX5874 High-Performance, 14-Bit, Dual Current-Steering DAC
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5874EGK-TD | 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 |
| MAX5874EVKIT | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Evaluation Kit for the MAX5873 MAX5874 MAX5875 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 |
| MAX5875EGK | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX5875EGK+D | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit 2Ch 200Msps 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 |
| MAX5875EGK+TD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 16-Bit 2Ch 200Msps 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 |
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