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參數(shù)資料
| 型號： | OPA643 |
| 英文描述： | Wideband Low Distortion, High Gain OPERATIONAL AMPLIFIER |
| 中文描述： | 寬帶低失真，高增益運算放大器 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 262K |
| 代理商： | OPA643 |
OPA643
Wideband Low Distortion, High Gain
OPERATIONAL AMPLIFIER
OPA643
APPLICATIONS
G
BASE STATION ADC PREAMP
G
ADC/DAC BUFFER AMPLIFIER
G
LOW DISTORTION IF AMPLIFIER
G
LOW NOISE, BROADBAND,
TRANSIMPEDANCE AMPLIFIER
G
LOW NOISE PREAMPLIFIER
G
VIDEO AMPLIFICATION
G
TEST INSTRUMENTATION
OPA643
OPA658
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111 Twx: 910-952-1111
Internet: http://www.burr-brown.com/ FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
FEATURES
G
LOW DISTORTION: –90dBc at 5MHz
G
LOW NOISE: 2.3nV/
√
Hz
G
GAIN-BANDWIDTH PRODUCT: 800MHz
G
AVAILABLE IN SOT23-5 PACKAGE
G
STABLE IN GAINS
≥
3
G
HIGH SLEW RATE: 1000V/
μ
s
G
HIGH OPEN-LOOP GAIN: 95dB
G
HIGH OUTPUT CURRENT:
±
60mA
DESCRIPTION
The OPA643 provides a level of speed and dynamic
range previously unattainable in a monolithic op amp.
Using a de-compensated voltage feedback architec-
ture with two internal gain stages, the OPA643 achieves
exceptionally low harmonic distortion over a wide
frequency range. The "classic" differential input pro-
vides all the familiar benefits of precision op amps,
such as bias current cancellation and very low invert-
ing current noise compared with wideband current
feedback op amps. High slew rate and open-loop gain,
along with low input noise and high output current
drive make the OPA643 ideal for very high dynamic
range requirements.
The high gain bandwidth product for the gain
≥
3
stable OPA643 makes it particularly suitable for
wideband transimpedance amplifiers and moderate gain
IF amplifier applications. External compensation
techniques may be used to apply the OPA643 at low
gains giving exceptionally low distortion and frequency
response flatness. Where unity gain stability with
comparable distortion performance is required, consider
the OPA642.
806
50
1Vp-p
10MHz
OPA643
47pF
REFT
+5V
REFB
ADS805
12-Bit
20MSPS
Measured
80dB SFDR
Analog
Input
56.9
0.1μF
0.1μF
402
5k
High Dynamic Range 20MSPS Digitizer
5k
0.1μF
2Vp-p
+5V
–5V
14pF
280
0.1μF
Low Gain
Compensation
50
Source
2.7pF
1993 Burr-Brown Corporation
PDS-1191D
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| OPA643N | Wideband Low Distortion, High Gain OPERATIONAL AMPLIFIER |
| OPA643P | Wideband Low Distortion, High Gain OPERATIONAL AMPLIFIER |
| OPA643PB | Wideband Low Distortion, High Gain OPERATIONAL AMPLIFIER |
| OPA643U | Wideband Low Distortion, High Gain OPERATIONAL AMPLIFIER |
| OPA643NB | Wideband Low Distortion, High Gain OPERATIONAL AMPLIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA643N | 制造商:BB 制造商全稱:BB 功能描述:Wideband Low Distortion, High Gain OPERATIONAL AMPLIFIER |
| OPA643N/250 | 功能描述:IC OPAMP VFB 800MHZ SGL SOT23-5 RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品變化通告:Discontinuation 18/May/2012 標(biāo)準(zhǔn)包裝:2,000 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.42 V/µs 增益帶寬積:1.5MHz -3db帶寬:- 電流 - 輸入偏壓:15nA 電壓 - 輸入偏移:1000µV 電流 - 電源:116µA 電流 - 輸出 / 通道:100mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5 V，±0.9 V ~ 2.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 產(chǎn)品目錄頁面:851 (CN2011-ZH PDF) 其它名稱:296-20930-2 |
| OPA643N/3K | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| OPA643N-250 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| OPA643N-3K | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
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