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參數資料
| 型號： | TSH82IPT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, TSSOP-8 |
| 文件頁數： | 11/27頁 |
| 文件大小： | 1229K |
| 代理商： | TSH82IPT |
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TSH80, TSH81, TSH82, TSH84
Precautions on asymmetrical supply operation
Doc ID 9413 Rev 5
19/27
4
Precautions on asymmetrical supply operation
The TSH8x can be used with either a dual or a single supply. If a single supply is used, the
inputs are biased to the mid-supply voltage (+VCC/2). This bias network must be carefully
designed so as to reject any noise present on the supply rail.
As the bias current is 15 A, you should use a high resistance R1 (approximately 10 k
Ω) to
avoid introducing an offset mismatch at the amplifier’s inputs.
Figure 33.
Asymmetrical supply schematic diagram
C1, C2, C3 are bypass capacitors intended to filter perturbations from VCC. The following
capacitor values are appropriate.
C1 = 100 nF and C2 = C3 = 100 F
R2 and R3 are such that the current through them must be superior to 100 times the bias
current. Therefore, you could use the following resistance values.
R2 =R3=4.7k
Ω
Cin and Cout are chosen to filter the DC signal by the low pass filters (R1, Cin) and (Rout,
Cout). With R1 = 10 kΩ, Rout =RL = 150 Ω, and Cin =2F, Cout = 220 F the cutoff
frequency obtained is lower than 10 Hz.
Figure 34.
Use of the TSH8x in a gain = -1 configuration
IN
R1
OUT
R2
R3
C1
C3
+
-
R4
C2
R5
Cf
RL
Cin
Cout
AM00845
Vcc+
IN
R1
OUT
R2
R3
C1
C3
+
-
C2
Cf
RL
Cin
Cout
AM00846
Vcc+
1 k
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| TSH82IYD | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TSH82ITDT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Wide Band, Rail-to-Rail Operational Amplifier with Standby Function |
| TSH82IYD | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Wide band rail-to-rail operational amplifier with standby function |
| TSH82IYDT | 功能描述:IC OP AMP R-R WIDE BAND 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關文件:Automotive Product Guide 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 放大器類型:通用 電路數:1 輸出類型:滿擺幅 轉換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
| TSH84 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Wide band rail-to-rail operational amplifier with standby function |
| TSH84IPT | 功能描述:運算放大器 - 運放 Wide Band RR 4.5v to 12v 100 MHz RoHS:否 制造商:STMicroelectronics 通道數量: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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