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參數(shù)資料
| 型號(hào)： | OPA843 |
| 英文描述： | Wideband, Low Distortion, Medium Gain, Voltage-Feedback OPERATIONAL AMPLIFIER |
| 中文描述： | 寬帶，低失真，中等增益，電壓反饋運(yùn)算放大器 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 377K |
| 代理商： | OPA843 |
DESCRIPTION
The OPA843 provides a level of speed and dynamic range
previously unattainable in a monolithic op amp. Using a high
Gain Bandwidth (GBW), two gain-stage design, the OPA843
gives a medium gain range device with exceptional dynamic
range. The “classic” differential input complements this high
dynamic range with DC precision beyond most high-speed
amplifier products. Very low input offset voltage and current,
high Common-Mode Rejection Ratio (CMRR) and Power-
Supply Rejection Ratio (PSRR), and high open-loop gain
combine to give a high DC precision amplifier along with low
noise and high 3rd-order intercept.
12- to 16-bit converter interfaces will benefit from this combi-
nation of features. High-speed transimpedance applications
can be implemented with exceptional DC precision as well.
Differential configurations using two OPA843s can deliver
very low distortion to high output voltages, as shown below.
FEATURES
G
HIGH BANDWIDTH: 260MHz (G = +5)
G
GAIN BANDWIDTH PRODUCT: 800MHz
G
LOW INPUT VOLTAGE NOISE: 2.0nV/
√
Hz
G
VERY LOW DISTORTION: –96dBc (5MHz)
G
HIGH OPEN-LOOP GAIN: 110dB
G
FAST 12-BIT SETTLING: 10.5ns (0.01%)
G
LOW INPUT OFFSET VOLTAGE: 300
μ
V
G
OUTPUT CURRENT:
±
100mA
APPLICATIONS
G
ADC/DAC BUFFER AMPLIFIER
G
LOW DISTORTION “IF” AMPLIFIER
G
ACTIVE FILTERS
G
LOW-NOISE RECEIVER
G
WIDEBAND TRANSIMPEDANCE
G
TEST INSTRUMENTATION
G
PROFESSIONAL AUDIO
G
OPA643 UPGRADE
OPA843
SBOS268A – DECEMBER 2002 – OCTOBER 2003
www.ti.com
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 2002-2003, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
Wideband, Low Distortion, Medium Gain,
Voltage-Feedback OPERATIONAL AMPLIFIER
INPUT NOISE
VOLTAGE (nV/
√
Hz
)
GAIN-BANDWIDTH
PRODUCT (MHz)
SINGLES
OPA842
OPA846
OPA847
2.6
1.2
0.85
200
1750
3900
OPA843 RELATED PRODUCTS
OPA843
V
O
= 10V
I
V
I
1:1
50
132
OPA843
OPA843
+5V
+5V
–
5V
402
–
5V
Very Low Distortion Differential Driver
R
L
400
40.2
40.2
402
DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE
Output Voltage Swing (Vp-p)
H
10
1
–
85
–
90
–
95
–
100
–
105
–
110
G
D
= 10
R
L
= 400
F = 5MHz
2nd-Harmonic
3rd-Harmonic
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| OPA843IDBVR | Wideband, Low Distortion, Medium Gain, Voltage-Feedback OPERATIONAL AMPLIFIER |
| OPA843IDBVT | Wideband, Low Distortion, Medium Gain, Voltage-Feedback OPERATIONAL AMPLIFIER |
| OPA860 | Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA) and BUFFER |
| OPA860ID | Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA) and BUFFER |
| OPA860IDR | Wide Bandwidth OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA) and BUFFER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA843ID | 功能描述:高速運(yùn)算放大器 Wideband Lo-Distort Med Gain Vltg Feedbk RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| OPA843IDBVR | 功能描述:高速運(yùn)算放大器 Wideband Lo-Distort Med Gain Vltg Feedbk RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| OPA843IDBVRG4 | 功能描述:高速運(yùn)算放大器 Wideband Lo-Distort Med Gain Vltg Feedbk RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| OPA843IDBVT | 功能描述:高速運(yùn)算放大器 Wideband Lo-Distort Med Gain Vltg Feedbk RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| OPA843IDBVTG4 | 功能描述:高速運(yùn)算放大器 Wideband Lo-Distort Med Gain Vltg Feedbk RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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