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MIC1557BM5 PDF预览

MIC1557BM5

更新时间: 2024-11-28 22:22:35
品牌 Logo 应用领域
麦瑞 - MICREL 振荡器模拟波形发生功能信号电路光电二极管
页数 文件大小 规格书
8页 168K
描述
IttyBitty⑩ RC Timer / Oscillator

MIC1557BM5 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:SOT-23, 5 PINReach Compliance Code:not_compliant
风险等级:5.82Is Samacsys:N
模拟集成电路 - 其他类型:SQUARE; PULSE; RECTANGULARJESD-30 代码:R-PDSO-G5
JESD-609代码:e0长度:2.91 mm
湿度敏感等级:1功能数量:1
端子数量:5最高工作温度:85 °C
最低工作温度:-40 °C最大输出频率:5 GHz
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装等效代码:TSOP5/6,.11,37封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度(摄氏度):240
电源:3/15 V认证状态:Not Qualified
座面最大高度:1.45 mm子类别:Analog Waveform Generation Functions
最大供电电压 (Vsup):18 V最小供电电压 (Vsup):2.7 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:1.625 mm
Base Number Matches:1

MIC1557BM5 数据手册

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MIC1555/1557  
IttyBitty™ RC Timer / Oscillator  
General Description  
Features  
The MIC1555 IttyBitty™ CMOS RC timer/oscillator and  
MIC1557 IttyBitty CMOS RC oscillator are designed to pro-  
vide rail-to-rail pulses for precise time delay or frequency  
generation.  
• +2.7V to +18V operation  
• Low current  
<1µA typical shutdown mode (MIC1557)  
200µA typical (TRG and THR low) at 3V supply  
• Timing from microseconds to hours  
• “Zero” leakage trigger and threshold inputs  
• 50% square wave with one Resistor, one Capacitor  
• Threshold input precedence over trigger input  
• <15output on resistance  
• No output cross-conduction current spikes  
• <0.005%/°C temperature stability  
• <0.055%/V supply stability  
The devices are similar in function to the industry standard  
“555”, without a frequency control (F ) pin or an open-  
C
collector discharge (D) pin. The threshold pin (TH) has  
precedence over the trigger (TR) input, ensuring that the  
BiCMOS output is off when TR is high.  
The MIC1555 may be used as an astable (oscillator) or  
monostable (one-shot) with separate threshold and trigger  
inputs. In the one-shot mode, the output pulse width is  
precisely controlled by an external resistor and a capacitor.  
Time delays may be accurately controlled from microsec-  
onds to hours. In the oscillator mode, the output is used to  
provideprecisefeedback, withaminimumofoneresistorand  
one capacitor producing a 50% duty cycle square wave.  
• Small SOT-23-5 surface mount package  
Applications  
• Precision timer  
• Pulse generation  
• Sequential timing  
The MIC1557 is designed for astable (oscillator) operation  
only, with a chip select/reset (CS) input for low power shut-  
down. One resistor and one capacitor provide a 50% duty  
cycle square wave. Other duty-cycle ratios may be produced  
using two diodes and two resistors.  
• Time-delay generation  
• Missing pulse detector  
• Micropower oscillator to 5MHz  
• Charge-pump driver  
• LED blinker  
• Voltage converter  
The MIC1555/7 is powered from a +2.7V to +18V supply  
voltage.  
• Linear sweep generator  
• Variable frequency and duty cycle oscillator  
• Isolated feedback for power supplies  
The MIC1555/7 is available in the SOT-23-5 5-lead package,  
and is rated for –40°C to +85°C ambient temperature range.  
Ordering Information  
Part Number  
MIC1555BM5  
MIC1557BM5  
Temp. Range  
–40°C to +85°C  
–40°C to +85°C  
Package  
SOT-23-5  
SOT-23-5  
Marking  
T10  
T11  
Typical Applications  
+5V  
+5V  
100µs  
8kHz  
MIC1555  
MIC1557  
1
4
2
3
5
4
3
2
5
VS  
OUT  
Output  
VS  
OUT  
Output  
Standby  
Trigger  
Enabled  
Disabled  
CS  
1k  
1k  
TRG  
GND  
1
THR  
GND  
T/T  
0.1µF  
0.1µF  
Monostable (One-Shot)  
Astable (Oscillator)  
October 1998  
1
MIC1555/1557  

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