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OPA2206ADR

更新时间: 2024-11-05 11:07:51
品牌 Logo 应用领域
德州仪器 - TI 放大器晶体管
页数 文件大小 规格书
34页 2986K
描述
具有 e-trim™ 和超 β 输入晶体管的 OVP ±40V、低功耗、低噪声精密放大器 | D | 8 | -40 to 125

OPA2206ADR 数据手册

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OPA2206  
SBOSA11A – MARCH 2020 – REVISED MARCH 2021  
OPA2206 Input-Overvoltage-Protected, 2-µV, 0.04-µV/°C, Low-Power  
Precision Op Amp  
1 Features  
3 Description  
Integrated input overvoltage protection up to ±40 V  
beyond supplies  
e-trimoperational amplifier performance  
– Low offset voltage: 15 µV (max)  
– Low offset voltage drift: ±0.2 µV/°C (max)  
Super beta inputs  
– Input bias current: 0.4 nA (max)  
– Input current noise: 110 fA/√Hz  
Low noise  
– 0.1-Hz to 10-Hz: 0.2 µVPP  
– Voltage noise: 8 nV/√Hz  
AOL, CMRR, and PSRR: > 126 dB (full  
temperature range)  
Gain bandwidth product: 3.6 MHz  
Low quiescent current: 220 µA (max)  
Slew rate: 4 V/µs  
Overload power limiter  
Rail-to-rail output  
EMI/RFI filtered inputs  
Wide supply: 4.5 V to 36 V  
Temperature range: –40°C to +125°C  
Available in high grade (OPA2206) and standard  
grade (OPA2206A)  
The OPA2206 is the next generation of the industry-  
standard OPAx277 family with the additional feature  
of input overvoltage protection. The device is a  
precision bipolar, e-trim operational amplifier with  
super beta inputs. The device uses TI’s proprietary  
trimming technology to achieve an impressive input  
offset voltage of ±2 μV (typ) and an input offset  
voltage drift of ±0.04 μV/°C (typ). The input  
overvoltage protection activates when the input signal  
exceeds the supply range and offers protection up to  
40 V beyond either supply. This feature eliminates the  
need for external cumbersome circuitry to prevent the  
amplifier from damages.  
Designed on a bipolar process, the OPA2206  
provides a superb speed-to-power ratio of 3.6 MHz  
for a mere 220 μA. The device also achieves a low  
voltage noise density of only 8 nV/√Hz at 1 kHz.  
Thanks to super-beta inputs, the OPA2206 has a very  
low input bias current of 100 pA (typ) and a current  
noise density of 110 fA/√Hz.  
The high performance of the OPA2206 makes this  
device an excellent choice for systems requiring  
high precision and low power consumption, such as  
high-density analog input modules in programmable  
logic controllers, field and portable instrumentation  
systems, and source measurement units. The  
OPA2205 is a related product with the same op amp  
core, without the input protection but with improved  
broadband noise (7.2 nV/√Hz).  
2 Applications  
Analog input module  
Mixed module (AI,AO,DI,DO)  
Lab and field Instrumentation  
Source measurement unit (SMU)  
Digital multimeter (DMM)  
Train control and management  
String inverter  
Device Information  
PART NUMBER  
OPA2206  
PACKAGE(1)  
BODY SIZE (NOM)  
VSSOP (8)  
3.00 mm × 3.00 mm  
(1) For all available packages, see the package option  
addendum at the end of the data sheet.  
Data acquisition (DAQ)  
7.5  
80 k  
20 k  
±10 V  
12 V  
5
12 V  
2.2 nF  
2.5  
0
100 nF  
GND  
100 nF  
GND  
+
3.74 k  
11.8 k  
2.2 nF  
6.65 k  
+
Output  
-2.5  
-5  
OPA2206  
TA = –40°C  
TA = 25°C  
TA = 85°C  
TA = 125°C  
2 V  
OPA2206  
330 pF  
GND  
100 nF  
GND  
100 nF  
GND  
12 V  
-7.5  
-60  
12 V  
GND  
-40  
-20  
0
20  
40  
60  
Common-mode Voltage (V)  
OPA2206 Typical Application  
OPA2206 Input Overvoltage Protection  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 

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