參數(shù)資料
型號: NCS2001SN1T1
廠商: ON SEMICONDUCTOR
元件分類: 運算放大器
英文描述: 0.9 V, Rail-to-Rail, Single Operational Amplifier
中文描述: OP-AMP, 7500 uV OFFSET-MAX, 1.4 MHz BAND WIDTH, PDSO5
封裝: SOT-23, 5 PIN
文件頁數(shù): 12/16頁
文件大小: 127K
代理商: NCS2001SN1T1
NCS2001
http://onsemi.com
12
The noninverting input threshold levels are set so that
the capacitor voltage oscillates between 1/3 and 2/3 of
V
CC
. This requires the resistors R
1a
, R
1b
and R
2
to be of
equal value. The following formula can be used to
approximate the output frequency.
R
T
470 k
R
2
470 k
R
1b
470 k
R
1a
470 k
C
T
1.0 nF
0.9 V
f
O
= 1.5 kHz
0.67 V
CC
0.33 V
CC
R
1b
470 k
V
CC
D
2
1N4148
f
O
+
+
0.9 V
fO
1
1.39 R
T
C
T
V
CC
0
Output Voltage
Timing Capacitor
Voltage
V
CC
R
2
470 k
D
1
1N4148
10 k
10 k
1.0 M
cw
R
1a
470 k
C
T
1.0 nF
0.67 V
CC
V
CC
0.33 V
CC
0
Output Voltage
Timing Capacitor
Voltage
0.67 V
CC
V
CC
0.33 V
CC
0
Output Voltage
Timing Capacitor
Voltage
The timing capacitor C
T
will charge through diode D
2
and discharge
through diode D
1
, allowing a variable duty cycle. The pulse width of the
signal can be programmed by adjusting the value of the trimpot. The ca-
pacitor voltage will oscillate between 1/3 and 2/3 of V
CC
, since all the
resistors at the noninverting input are of equal value.
Clockwise, Low Duty Cycle
CounterClockwise, High Duty Cycle
Figure 34. 0.9 V Square Wave Oscillator
Figure 35. Variable Duty Cycle Pulse Generator
cww
相關PDF資料
PDF描述
NCS2001SN1T1G 0.9 V, Rail-to-Rail, Single Operational Amplifier
NCS2001SN2T1 0.9 V, Rail-to-Rail, Single Operational Amplifier
NCS2001SQ1T1 0.9 V, Rail-to-Rail, Single Operational Amplifier
NCS2001SQ1T1G 0.9 V, Rail-to-Rail, Single Operational Amplifier
NCS2001SQ1T2 0.9 V, Rail-to-Rail, Single Operational Amplifier
相關代理商/技術參數(shù)
參數(shù)描述
NCS2001SN1T1G 功能描述:運算放大器 - 運放 0.9V Single Rail to Rail -40 to 105 Cel RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
NCS2001SN2T1 功能描述:運算放大器 - 運放 0.9V Single Rail to RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
NCS2001SN2T1G 功能描述:運算放大器 - 運放 0.9V Single Rail to Rail -40 to 105 Cel RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
NCS2001SQ1T1 功能描述:IC OPAMP SGL R-R 0.9V SC70-5 RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源,單路/雙路(±):4.5 V ~ 16.5 V,±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC(0.154",3.90mm 寬) 供應商設備封裝:14-SOIC 包裝:帶卷 (TR)
NCS2001SQ1T1G 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:0.9 V, Rail−to−Rail, Single Operational Amplifier