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HT56RU25 Folha de dados(PDF) 17 Page - Holtek Semiconductor Inc

Nome de Peças HT56RU25
Descrição Electrónicos  DAC?갏SO7816, UART, A/D
Download  155 Pages
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Fabricante Electrônico  HOLTEK [Holtek Semiconductor Inc]
Página de início  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT56RU25 Folha de dados(HTML) 17 Page - Holtek Semiconductor Inc

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HT56RU25
内置
DAC、ISO7816 及 UART 接口的
低功耗
A/D 型智能卡 OTP 单片机
Rev. 1.10
16
2014-05-19
Rev. 1.10
17
2014-05-19
ADC 特性
Ta=25℃
符号
参数
测试条件
最小
典型
最大
单位
VDD
条件
AVDD 模拟工作电压
VREF=AVDD
3.0
5.5
V
VAD
A/D 输入电压
44-pin LQFP
0
VREF
V
VREF
A/D 输入参考电压范围
AVDD=5V
2.1
AVDD
+0.1
V
DNL
A/D 非线性微分误差
AVDD=5V,
VREF=AVDD,
tAD=0.5μs
-2
2
LSB
INL
A/D 非线性积分误差
AVDD=5V,
VREF=AVDD,
tAD=0.5μs
-4
4
LSB
IADC
打开
A/D 增加的功耗
3V
0.50
0.75
mA
5V
1.00
1.50
mA
tAD
A/D 时钟周期
0.5
10
μs
tADC
A/D 转换时间 ( 包括 A/D
采样和保持时间
)
12 位 ADC
16
tAD
tADS
A/D 采样时间
4
tAD
tON2ST
A/D 开启到执行时间
2.7V~5.5V
2
μs
注:
ADC 转换时间 (tADC)=n(ADC 位数 )+4( 采样时间 )。
每位的转换时间为一个
ADC 时钟 (tAD)。
上电复位特性
Ta=25℃
符号
参数
测试条件
最小 典型 最大 单位
VDD
条件
IPOR DC
工作电流
2.2.V~5.5V
0.7 μA
VPOR
上电复位电压
100 mV
RRVDD
上电复位电压速率
0.035
V/
ms
tPOR
VDD 保持为 VPOR 的最小时间
1
ms
Ti me
V DD
V PO R
RR VD D
t PO R


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