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MAX1215

更新时间: 2024-11-21 05:00:39
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美信 - MAXIM /
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20页 426K
描述
1.8V, 12-Bit, 170Msps ADC for Broadband Applications

MAX1215 数据手册

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19-1003; Rev 2; 6/05  
1.8V, 12-Bit, 170Msps ADC for  
Broadband Applications  
General Description  
Features  
The MAX1213 is a monolithic, 12-bit, 170Msps analog-  
to-digital converter (ADC) optimized for outstanding  
dynamic performance at high-IF frequencies up to  
300MHz. The product operates with conversion rates  
up to 170Msps while consuming only 788mW.  
170Msps Conversion Rate  
Low Noise Floor of -68dBFS  
Excellent Low-Noise Characteristics  
SNR = 65.8dB at f = 65MHz  
IN  
SNR = 64.5dB at f = 250MHz  
IN  
At 170Msps and an input frequency up to 250MHz, the  
MAX1213 achieves a spurious-free dynamic range  
(SFDR) of 72.9dBc. Its excellent signal-to-noise ratio  
(SNR) of 65.8dB at 10MHz remains flat (within 2dB) for  
input tones up to 250MHz. This ADC yields an excellent  
low-noise floor of -68dBFS, which makes it ideal for  
wideband applications such as cable head-end  
receivers and power-amplifier predistortion in cellular  
base-station transceivers.  
Excellent Dynamic Range  
SFDR = 76.5dBc at f = 65MHz  
IN  
SFDR = 72.9dBc at f = 250MHz  
IN  
59.5dB NPR for f  
= 28.8MHz and a Noise  
NOTCH  
Bandwidth of 50MHz  
Single 1.8V Supply  
788mW Power Dissipation at f  
= 170MHz  
SAMPLE  
The MAX1213 requires a single 1.8V supply. The analog  
input is designed for either differential or single-ended  
operation and can be AC- or DC-coupled. The ADC also  
features a selectable on-chip divide-by-2 clock circuit,  
which allows the user to apply clock frequencies as high  
as 340MHz. This helps to reduce the phase noise of the  
input clock source. A low-voltage differential signal  
(LVDS) sampling clock is recommended for best perfor-  
mance. The converter’s digital outputs are LVDS com-  
patible and the data format can be selected to be either  
two’s complement or offset binary.  
and f = 65MHz  
IN  
On-Chip Track-and-Hold Amplifier  
Internal 1.23V-Bandgap Reference  
On-Chip Selectable Divide-by-2 Clock Input  
LVDS Digital Outputs with Data Clock Output  
MAX1213 EV Kit Available  
The MAX1213 is available in a 68-pin QFN package  
with exposed paddle (EP) and is specified over the  
industrial (-40°C to +85°C) temperature range.  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX1213EGK  
-40°C to +85°C  
68 QFN-EP*  
See the Pin-Compatible Versions table for a complete  
selection of 8-bit, 10-bit, and 12-bit high-speed ADCs in  
this family.  
*EP = Exposed paddle.  
Pin-Compatible Versions  
Applications  
Base-Station Power-Amplifier Linearization  
RESOLUTION  
SPEED GRADE  
(Msps)  
PART  
(BITS)  
Cable Head-End Receivers  
MAX1121  
MAX1122  
MAX1123  
MAX1124  
MAX1213  
MAX1214  
MAX1215  
8
250  
170  
210  
250  
170  
210  
250  
Wireless and Wired Broadband Communication  
Communications Test Equipment  
10  
10  
10  
12  
12  
12  
Radar and Satellite Subsystems  
Pin Configuration appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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