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參數(shù)資料
| 型號： | AT43USB351M-AC |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Full-speed/Low-speed USB Microcontroller with ADC and PWM |
| 中文描述： | 8-BIT, MROM, 24 MHz, RISC MICROCONTROLLER, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASTIC, MS-026BBC, LQFP-48 |
| 文件頁數(shù)： | 58/101頁 |
| 文件大?。?/td> | 624K |
| 代理商： | AT43USB351M-AC |
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58
AT43USB351M
3302E–USB–7/04
Analog-to-digital
Converter
Feature list:
10-bit Resolution
4 LSB Integral Non-linearity
±2 LSB Absolute Accuracy
12 – 768 μs Conversion Time
Up to 83 kSPS at Maximum Resolution
12 Multiplexed Input Channels
Rail-to-rail Input Range
Free Running or Single Conversion Mode
Interrupt on ADC Conversion Complete
The AT43USB351M features a 10-bit successive approximation ADC. The ADC is connected
to a 12-channel Analog Multiplexer to pins AD0 – AD11. The ADC contains a Sample and
Hold Amplifier that ensures that the input voltage to the ADC is held at a constant level during
conversion. A block diagram of the ADC is shown in Figure 20.
The reference voltage of the ADC is internally connected to the CEXTA voltage regulator.
Figure 20.
Analog-to-digital Converter Block Schematic
ADC Conversion
Complete IRQ
8-bit Data Bus
ADC Multiplexer
Select (ADMUX)
Prescaler
ADC Ctrl and Staus
Register (ADCSR)
A
ADC Data Register
(ADCH/ADCL)
Conversion Logic
10-bit DAC
+
-
Sample and Hold
Comparator
1
M
Analog
Inputs
15
0
A
A
A
A
A
A
A
A
A
M
M
M
A
CEXTA
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相關代理商/技術參數(shù) |
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|---|---|
| AT43USB353M | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset |
| AT43USB353M_03 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Low Cost USB Microcontroller with Hub, ADC and PWM |
| AT43USB353M_04 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB353M-AC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM |
| AT43USB355 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset |
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