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MAX19693

更新时间： 2024-12-01 14:58:15
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
24页 353K
描述
12位、4.0Gsps、具有宽动态范围的宽带DAC

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MAX19693 数据手册

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19-3208; Rev 1; 8/10  
12-Bit, 4.0Gsps High-Dynamic  
Performance Wideband DAC  
MAX1693  
General Description  
Features  
The MAX19693 12-bit, 4.0Gsps digital-to-analog convert-  
er (DAC) enables direct digital synthesis of high-  
frequency and wideband signals. The DAC has been  
optimized for wideband communications, radar, and  
instrumentation applications. The MAX19693 provides  
excellent spurious and noise performance and can be  
used for synthesis of wideband signals in the frequency  
range from DC to nearly 2GHz. The 4.0Gsps update rate  
enables digital synthesis of signals with more than  
1.5GHz bandwidth.  
o 4.0Gsps Output Update Rate  
o Industry-Leading Dynamic Performance  
SFDR* = 76dBc at f  
SFDR* = 70dBc at f  
= 400MHz  
= 800MHz  
OUT  
OUT  
Wideband Noise Spectral Density  
= -164dBm/Hz  
o Low-Power Operation  
770mW (f  
= 2000Msps)  
DAC  
The MAX19693 includes four 12-bit multiplexed low-  
voltage differential signaling (LVDS) input ports, each  
operating at up to 1GHz in double data rate (DDR) or  
quad data rate (QDR) mode. The DAC accepts a clock  
at 1/2 the DAC update rate, as conversion is triggered  
on both rising and falling clock edges. The input data  
rate is 1/4 the DAC update rate (1/2 the clock rate). The  
MAX19693 provides an LVDS data clock output to sim-  
plify interfacing to FPGA or ASIC devices.  
1180mW (f  
= 4000Msps)  
DAC  
o 4:1 Multiplexed LVDS Inputs  
Up to 1000Mwps each port  
o Internal 50Ω Differential Output Termination  
o Input Register Scan Mode for In-Circuit Continuity  
Verification  
o Compact 11mm x 11mm, 169 CSBGA Package  
o Evaluation Kit Available (Order MAX19693EVKIT)  
The MAX19693 is a current-steering DAC with an inte-  
grated, self-calibrated 50Ω differential output termina-  
tion to ensure optimum dynamic performance. The  
MAX19693 operates from 3.3V and 1.8V power sup-  
plies and consumes 1180mW at 4.0Gsps. The  
MAX19693 is specified over the extended temperature  
range (-40°C to +85°C) and is available in a compact  
11mm x 11mm, 169 CSBGA package.  
*Excludes f /2, f  
DAC  
/4, and f  
/2 - f  
spurs, which are  
DAC  
DAC  
OUT  
specified separately.  
Ordering Information  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PART  
PIN-PACKAGE  
MAX19693EXW-D  
MAX19693EXW+D  
169 CSBGA  
169 CSBGA  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
D = Dry pack.  
Applications  
Radar Waveform and LO Signal Synthesis  
Digital IF Generation in X-Band Transmitters  
Electronic Warfare  
Functional Diagram  
SO  
SE  
MOD CREF  
12 x 2  
12 x 2  
12 x 2  
12 x 2  
DAP<11:0>  
DAN<11:0>  
DBP<11:0>  
DBN<11:0>  
Arbitrary Waveform Generators  
Direct Digital Synthesis  
12  
DCP<11:0>  
DCN<11:0>  
OUTP  
OUTN  
4:1  
REGISTERED  
MUX  
Automatic Test Equipment  
DAC  
DDP<11:0>  
DDN<11:0>  
CLOCK  
DIVIDER  
/2, /4  
2
DATACLKP  
DATACLKN  
CAL  
REFRES  
CLKDIV  
DELAY  
CLKP  
MAX19693  
CLK  
CLKN  
REFIO  
BANDGAP REFERENCE AND  
CONTROL LOOP  
FSADJ  
DACREF  
V
DD1.8  
AV  
CLK  
AV GND  
DD3.3  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
1234567...24

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