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參數(shù)資料
| 型號(hào)： | OPA820IDR |
| 英文描述： | Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier |
| 中文描述： | 單位增益穩(wěn)定，低噪聲，電壓反饋運(yùn)算放大器 |
| 文件頁數(shù)： | 1/25頁 |
| 文件大?。?/td> | 427K |
| 代理商： | OPA820IDR |
FEATURES
HIGH BANDWIDTH (240MHz, G = +2)
HIGH OUTPUT CURRENT (
±
110mA)
LOW INPUT NOISE (2.5nV/
√
Hz)
LOW SUPPLY CURRENT (5.6mA)
FLEXIBLE SUPPLY VOLTAGE
Dual
±
2.5V to
±
6V
Single +5V to +12V
EXCELLENT DC ACCURACY
Maximum 25
°
C Input Offset Voltage =
±
750
μ
V
Maximum 25
°
C Input Offset Current =
±
400nA
APPLICATIONS
LOW-COST VIDEO LINE DRIVERS
ADC PREAMPLIFIERS
ACTIVE FILTERS
LOW-NOISE INTEGRATORS
PORTABLE TEST EQUIPMENT
OPTICAL CHANNEL AMPLIFIERS
LOW-POWER, BASEBAND AMPLIFIERS
CCD IMAGING CHANNEL AMPLIFIERS
OPA650 AND OPA620 UPGRADE
DESCRIPTION
The OPA820 provides a wideband, unity-gain stable,
voltage-feedback amplifier with a very low input noise voltage
and high output current using a low 5.6mA supply current. At
unity-gain, the OPA820 gives > 800MHz bandwidth with < 1dB
peaking. The OPA820 complements this high-speed
operation with excellent DC precision in a low-power device.
A worst-case input offset voltage of
±
750
μ
V and an offset
current of
±
400nA give excellent absolute DC precision for
pulse amplifier applications.
Minimal input and output voltage swing headroom allow the
OPA820 to operate on a single +5V supply with > 2V
PP
output
swing. While not a rail-to-rail (RR) output, this swing will
support most emerging analog-to-digital converter (ADC)
input ranges with lower power and noise than typical RR
output op amps.
Exceptionally low dG/dP (0.01%/0.03
°
) supports low-cost
composite video line driver applications. Existing designs can
use the industry-standard pinout SO-8 package while
emerging high-density portable applications can use the
SOT23-5. Offering the industry’s lowest thermal impedance in
a SOT package, along with full specification over both the
commercial and industrial temperature ranges, gives solid
performance over a wide temperature range.
RELATED PRODUCTS
SINGLES
DUALS
TRIPLES
QUADS
FEATURES
OPA354
OPA690
—
—
—
OPA2354
OPA2690
OPA2652
OPA2822
—
—
OPA4354
—
—
—
OPA4820
CMOS RR Output
High Slew Rate
SOT23-8
Low Noise
Quad OPA820
OPA3690
—
—
—
AC-Coupled, 14-Bit ADS850 Interface
OPA820
V
IN
402
402
ADS850
14Bit
10MSPS
R
S
24.9
2k
2k
2k
2k
0.1
μ
F
0.1
μ
F
IN
IN
(+2V)
REFB
(+1V)
VREF
SEL
REFT
(+3V)
100pF
+5V
5V
50
+5V
OPA820
SBOS303A JUNE 2004 REVISED JULY 2004
Unity-Gain Stable, Low-Noise, Voltage-Feedback
Operational Amplifier
!
!
www.ti.com
Copyright
2004, 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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| OPA832 | SPRING RETAINER |
| OPA832DBVR | Low-Power, Single-Supply, Fixed-Gain Video Buffer Amplifier |
| OPA832DBVT | Low-Power, Single-Supply, Fixed-Gain Video Buffer Amplifier |
| OPA832ID | Low-Power, Single-Supply, Fixed-Gain Video Buffer Amplifier |
| OPA832IDR | Low-Power, Single-Supply, Fixed-Gain Video Buffer Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA820IDRG4 | 功能描述:高速運(yùn)算放大器 Unity Gain Stable Lo Noise Vltg Feedback 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 |
| OPA820SKD3 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:UNITY-GAIN STABLE, LOW-NOISE, VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER |
| OPA820SKGD1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:UNITY-GAIN STABLE, LOW-NOISE, VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER |
| OPA820SKGD3 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Unity Gain Stable,Lo Noise,Vltg FB Op Amp 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(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OPA827 | 制造商:BB 制造商全稱:BB 功能描述:Low-Noise, High-Precision, JFET-Input, OPERATIONAL AMPLIFIER |
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