參數(shù)資料
型號： OPA445BM
元件分類： 運算放大器
英文描述： High Voltage FET-Input OPERATIONAL AMPLIFIER
中文描述： 高電壓FET輸入運算放大器
文件頁數(shù)： 11/11頁
文件大?。?/td> 131K
代理商： OPA445BM
11
OPA445
OPA445
0-2mA
+60V
25k
–12V
V
O
= 0 to +50V
at 10mA
0.1μF
0.1μF
Protects DAC
During Slewing
DAC80-CBI-I
TYPICAL APPLICATIONS
FIGURE 9. Voltage-to-Current Converter.
FIGURE 10. Programmable Voltage Source.
OPA445
R
1
Compliance Voltage Range =
±
35V
NOTE: R
1
= R
3
and R
2
= R
4
+ R
5
+40V
100k
R
2
10k
R
3
100k
R
4
9.9k
–40V
R
5
100
I
L
Load
I
= [(V
2
– V
1
)/R
5
] (R
2
/R
1
)
= (V
2
– V
1
)/1k
V
2
V
1
+45V
160V
Piezo
(1)
Crystal
–45V
“MASTER”
R
2
9k
R
1
1k
V
IN
±4V
OPA445
+45V
–45V
“SLAVE”
R
4
10k
R
3
10k
OPA445
NOTE: (1) For transducers with large capacitance the stabilization
technique described in Figure 6 may be necessary. Be certain that the
“Master” amplifier is stable before stabilizing the “Slave” amplifier.
FIGURE 11. Bridge Circuit Doubles Voltage for Piezo Crystals.
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相關代理商/技術參數(shù)
參數(shù)描述
OPA445BM 制造商:Texas Instruments 功能描述:IC OP AMP
OPA445BM 制造商:Texas Instruments 功能描述:Operational Amplifier (Op-Amp) IC
OPA452 制造商:TI 制造商全稱:Texas Instruments 功能描述:80V, 50mA OPERATIONAL AMPLIFIERS
OPA452FA 制造商:TI 制造商全稱:Texas Instruments 功能描述:80V, 50mA OPERATIONAL AMPLIFIERS
OPA452FA/500 功能描述:運算放大器 - 運放 80V 50mA Oper Amplifiers 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
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