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OPA4277UA/2K5 PDF预览

OPA4277UA/2K5

更新时间： 2024-11-04 03:08:03
品牌 Logo 应用领域
BB 运算放大器放大器电路光电二极管
页数 文件大小 规格书
25页 922K
描述
High Precision OPERATIONAL AMPLIFIERS

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中文翻译

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OPA4277UA/2K5 技术参数

是否Rohs认证：不符合生命周期：Transferred
包装说明：SO-14Reach Compliance Code：unknown
风险等级：5.78Is Samacsys：N
放大器类型：OPERATIONAL AMPLIFIER架构：VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB)：0.004 µA25C 时的最大偏置电流 (IIB)：0.0028 µA
标称共模抑制比：140 dB频率补偿：YES
最大输入失调电压：100 µVJESD-30 代码：R-PDSO-G14
JESD-609代码：e0低-失调：YES
微功率：YES负供电电压上限：-18 V
标称负供电电压 (Vsup)：-15 V功能数量：4
端子数量：14最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP14,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
包装方法：TAPE AND REEL电源：+-5/+-15 V
认证状态：Not Qualified标称压摆率：0.8 V/us
子类别：Operational Amplifier最大压摆率：3.6 mA
供电电压上限：18 V标称供电电压 (Vsup)：15 V
表面贴装：YES技术：BIPOLAR
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL标称均一增益带宽：1000 kHz
最小电压增益：1995000Base Number Matches：1

OPA4277UA/2K5 数据手册

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O
O
P
A
2
2
P
A
2
O
7
7
7
P
A
4
7
OPA277  
OPA2277  
OPA4277  
2
7
7
OPA2277  
OPA277  
O
P
A
4277  
O
P
O
P
A
A
2
2
2
7
7
7
7
SBOS079A – MARCH 1999 – REVISED APRIL 2005  
High Precision  
OPERATIONAL AMPLIFIERS  
FEATURES  
DESCRIPTION  
The OPA277 series precision op amps replace the industry  
standard OP-177. They offer improved noise, wider output  
voltage swing, and are twice as fast with half the quiescent  
current. Features include ultra low offset voltage and drift, low  
bias current, high common-mode rejection, and high power  
supply rejection. Single, dual, and quad versions have identical  
specifications for maximum design flexibility.  
ꢀ ULTRA LOW OFFSET VOLTAGE: 10µV  
ꢀ ULTRA LOW DRIFT: ±0.1µV/°C  
ꢀ HIGH OPEN-LOOP GAIN: 134dB  
ꢀ HIGH COMMON-MODE REJECTION: 140dB  
ꢀ HIGH POWER SUPPLY REJECTION: 130dB  
ꢀ LOW BIAS CURRENT: 1nA max  
OPA277 series op amps operate from ±2V to ±18V supplies with  
excellent performance. Unlike most op amps which are specified  
at only one supply voltage, the OPA277 series is specified for  
real-world applications; a single limit applies over the ±5V to  
±15V supply range. High performance is maintained as the  
amplifiers swing to their specified limits. Because the initial offset  
voltage (±20µV max) is so low, user adjustment is usually not  
required. However, the single version (OPA277) provides exter-  
nal trim pins for special applications.  
ꢀ WIDE SUPPLY RANGE: ±2V to ±18V  
ꢀ LOW QUIESCENT CURRENT: 800µA/amplifier  
ꢀ SINGLE, DUAL, AND QUAD VERSIONS  
ꢀ REPLACES OP-07, OP-77, OP-177  
APPLICATIONS  
ꢀ TRANSDUCER AMPLIFIER  
OPA277 op amps are easy to use and free from phase inversion  
and overload problems found in some other op amps. They are  
stable in unity gain and provide excellent dynamic behavior over  
a wide range of load conditions. Dual and quad versions feature  
completely independent circuitry for lowest crosstalk and free-  
dom from interaction, even when overdriven or overloaded.  
ꢀ BRIDGE AMPLIFIER  
ꢀ TEMPERATURE MEASUREMENTS  
ꢀ STRAIN GAGE AMPLIFIER  
ꢀ PRECISION INTEGRATOR  
ꢀ BATTERY POWERED INSTRUMENTS  
ꢀ TEST EQUIPMENT  
Single (OPA277) and dual (OPA2277) versions are available  
in DIP-8, SO-8, and DFN-8 (4mm x 4mm) packages. The quad  
(OPA4277) comes in DIP-14 and SO-14 surface-mount pack-  
ages. All are fully specified from –40°C to +85°C and operate  
OPA277  
Offset Trim  
1
2
3
4
8
7
6
5
Offset Trim  
V+  
from –55°C to +125°C.  
OPA277AIDRM  
–In  
+In  
V–  
Output  
NC  
Offset Trim  
−In  
1
2
3
4
8
7
6
5
Offset Trim  
V+  
OPA4277  
Pin 1  
Indicator  
Out A  
–In A  
+In A  
V+  
1
14 Out D  
13 –In D  
12 +In D  
11 V–  
8-Pin DIP, SO-8  
2
3
4
5
6
7
+In  
Output  
NC  
A
B
D
C
OPA2277AIDRM  
V−  
Out A  
−In A  
+In A  
V−  
1
2
3
4
8
7
6
5
Out B  
+In B  
–In B  
Out B  
10 +In C  
Pin 1  
Indicator  
DFN-8 4mm x 4mm  
(top view)  
9
8
–In C  
OPA2277  
Thermal Pad  
on Bottom  
(Connect to V−)  
V+  
Out C  
Out A  
–In A  
+In A  
V–  
1
2
3
4
8
V+  
−In B  
+In B  
A
14-Pin DIP, SO-14  
7
Out B  
–In B  
+In B  
B
6
5
DFN-8 4mm x 4mm  
(top view)  
Thermal Pad  
on Bottom  
NC = No connection.  
8-Pin DIP, SO-8  
(Connect to V−)  
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.  
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 © 1999-2005, Texas Instruments Incorporated  
www.ti.com  
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