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参数资料
| 型号： | MCF5213LCVM80 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PBGA81 |
| 封装： | 10 X 10 MM, 1 MM PITCH, PLASTIC, ROHS COMPLIANT, BGA-81 |
| 文件页数： | 31/56页 |
| 文件大小： | 952K |
| 代理商： | MCF5213LCVM80 |
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Electrical Characteristics
MCF5213 ColdFire Microcontroller, Rev. 3
Freescale Semiconductor
37
2.12
Equivalent Circuit for ADC Inputs
Figure 10-17 shows the ADC input circuit during sample and hold. S1 and S2 are always open/closed at the same time that S3
is closed/open. When S1/S2 are closed & S3 is open, one input of the sample and hold circuit moves to (VREFH-VREFL)/2, while
the other charges to the analog input voltage. When the switches are flipped, the charge on C1 and C2 are averaged via S3, with
the result that a single-ended analog input is switched to a differential voltage centered about (VREFH-VREFL)/2. The switches
switch on every cycle of the ADC clock (open one-half ADC clock, closed one-half ADC clock). There are additional
capacitances associated with the analog input pad, routing, etc., but these do not filter into the S/H output voltage, as S1 provides
isolation during the charge-sharing phase. One aspect of this circuit is that there is an on-going input current, which is a function
of the analog input voltage, VREF and the ADC clock frequency.
1.
Parasitic capacitance due to package, pin-to-pin and pin-to-package base coupling; 1.8pF
2.
Parasitic capacitance due to the chip bond pad, ESD protection devices and signal routing; 2.04pF
3.
Equivalent resistance for the channel select mux; 100
Ωs
4.
Sampling capacitor at the sample and hold circuit. Capacitor C1 is normally disconnected from the input and is only
connected to it at sampling time; 1.4pF
5.
Equivalent input impedance, when the input is selected =
Figure 8. Equivalent Circuit for A/D Loading
THD
Total harmonic distortion
—
75
—
dB
SFDR
Spurious free dynamic range
—
67 to 70.3
—
dB
SINAD
Signal-to-noise plus distortion
—
61 to 63.9
—
dB
ENOB
Effective number of bits
9.1
10.6
—
Bits
1 All measurements are preliminary pending full characterization, and made at V
DD = 3.3V, VREFH = 3.3V, and VREFL = ground
2 INL measured from V
IN = VREFL to VIN = VREFH
3 LSB = Least Significant Bit
4 INL measured from V
IN = 0.1VREFH to VIN = 0.9VREFH
5 Includes power-up of ADC and V
REF
6 ADC clock cycles
7 Current that can be injected or sourced from an unselected ADC signal input without impacting the performance of the ADC
Table 32. ADC Parameters1 (continued)
Name
Characteristic
Min
Typical
Max
Unit
1
2
3
Analog Input
4
S1
S2
S3
C1
C2
S/H
C1 = C2 = 1pF
(VREFH- VREFL)/ 2
125W ESD Resistor
8pF noise damping capacitor
1
(ADC Clock Rate)
× (1.4×10-12)
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| MCF5213LCVM80J | 功能描述:32位微控制器 - MCU ColdFire Micro- Controller RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
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| MCF5214CVF66 | 功能描述:32位微控制器 - MCU MCF5214 V2CORE 256KFLASH RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
| MCF5214CVF66J | 功能描述:IC MCU 256K FLASH 256MAPBGA RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MCF521x 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:260 系列:73S12xx 核心处理器:80515 芯体尺寸:8-位 速度:24MHz 连通性:I²C，智能卡，UART/USART，USB 外围设备:LED，POR，WDT 输入/输出数:9 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:2K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:68-VFQFN 裸露焊盘 包装:管件 |
| MCF5214CVM66 | 功能描述:32位微控制器 - MCU MCF5214 V2CORE 256K FLASH RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
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