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OPA277U/2K5

更新时间： 2024-11-07 11:06:59
品牌 Logo 应用领域
德州仪器 - TI 放大器光电二极管运算放大器放大器电路
页数 文件大小 规格书
27页 1457K
描述
双路、36V、10µV 失调电压、0.1µV/°C 温漂、双极性运算放大器 | D | 8

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OPA277U/2K5 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：SOIC
包装说明：SOIC-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01Factory Lead Time：6 weeks
风险等级：0.69Is Samacsys：N
放大器类型：OPERATIONAL AMPLIFIER架构：VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB)：0.002 µA25C 时的最大偏置电流 (IIB)：0.001 µA
最小共模抑制比：130 dB标称共模抑制比：140 dB
频率补偿：YES最大输入失调电流 (IIO)：0.001 µA
最大输入失调电压：20 µVJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.9 mm
低-偏置：NO低-失调：YES
微功率：YES湿度敏感等级：3
负供电电压上限：-18 V标称负供电电压 (Vsup)：-15 V
功能数量：1端子数量：8
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：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE包装方法：TR
峰值回流温度（摄氏度）：260功率：NO
电源：+-2/+-18 V可编程功率：NO
认证状态：Not Qualified座面最大高度：1.75 mm
最小摆率：0.8 V/us标称压摆率：0.8 V/us
子类别：Operational Amplifier最大压摆率：0.825 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：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
标称均一增益带宽：1000 kHz最小电压增益：1995000
宽带：NO宽度：3.9 mm
Base Number Matches：1

OPA277U/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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中文翻译

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OPA277U/2K5 替代型号

型号 品牌 替代类型 描述 数据表
OPA277UG4 TI

完全替代

 双路、36V、10µV 失调电压、0.1µV/°C 温漂、双极性运算放大器 | D | 8
OPA277U TI

完全替代

 High Precision OPERATIONAL AMPLIFIERS
OPA277U/2K5G4 TI

类似代替

 双路、36V、10µV 失调电压、0.1µV/°C 温漂、双极性运算放大器 | D | 8

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