參數(shù)資料
型號: MAXQ3120-FFN+
廠商: Maxim Integrated Products
文件頁數(shù): 24/33頁
文件大?。?/td> 0K
描述: IC MCU 32KB FLASH 80-MQFP
標準包裝: 66
系列: MAXQ®
核心處理器: RISC
芯體尺寸: 16-位
速度: 8MHz
連通性: UART/USART
外圍設(shè)備: LCD,POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 32KB(16K x 16)
程序存儲器類型: 閃存
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 2.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 2x16b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 80-BQFP
包裝: 托盤
+Denotes a Pb-free/RoHS-compliant device.
MAXQ3120
Filter Results
Below is the summary of the SNR and THD values
before and after applying the above LPFs, for 60
MAXQ3120 units.
An application engineer can easily implement his own
favorite lowpass filters to optimize MAXQ3120 for his
target applications. However, he does need to consider
the filter complexity and its processor resource require-
ment (CPU cycles and storage space) to strike an opti-
mal balance. The above 23-tap LPF takes 23 x 2 bytes
of RAM and 107 clock cycles of the MAXQ3120 to com-
plete. Note that the number of cycles varies from filter
to filter because the number of shifts required to nor-
malize the multiply-accumulate result will vary.
High-Precision ADC
Mixed-Signal Microcontroller
30
____________________________________________________________________
SNR
THD
CONDITION
MIN
AVG
MAX
MIN
AVG
MAX
Before LPF
56.5
56.8
57.1
-84.5
-81.1
-77.3
After LPF, 21st Harmonic
68.2
70.7
71.4
-85.8
-83.1
-79.4
After LPF, 7th Harmonic
71.5
73.8
74.7
-88.9
-85.7
-82.0
Selector Guide
PART
TEMP RANGE
PROGRAM
MEMORY
DATA
MEMORY
LCD
SEGMENTS
EXTERNAL
INTERRUPTS
USARTS
PIN-
PACKAGE
MAXQ3120-FFN
-40°C to +85°C
16kWord Flash
256 Word SRAM
112
3
2
80 MQFP
MAXQ3120-FFN+
-40°C to +85°C
16kWord Flash
256 Word SRAM
112
3
2
80 MQFP
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MAXQ3120-FFN+ 功能描述:IC MCU 32KB FLASH 80-MQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:MAXQ® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:260 系列:73S12xx 核心處理器:80515 芯體尺寸:8-位 速度:24MHz 連通性:I²C,智能卡,UART/USART,USB 外圍設(shè)備:LED,POR,WDT 輸入/輸出數(shù):9 程序存儲器容量:64KB(64K x 8) 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-VFQFN 裸露焊盤 包裝:管件
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