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TC911A

更新时间： 2024-02-03 18:47:30
品牌 Logo 应用领域
TELCOM 运算放大器
页数 文件大小 规格书
5页 72K
描述
AUTO-ZEROED OPERATIONAL AMPLIFIERS

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中文翻译

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TC911A 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
Reach Compliance Code：unknown风险等级：5.73
放大器类型：OPERATIONAL AMPLIFIER架构：CHOPPER-STAB
25C 时的最大偏置电流 (IIB)：0.00012 µA频率补偿：YES
最大输入失调电压：30 µVJESD-30 代码：R-XDIP-T8
JESD-609代码：e0低-偏置：YES
低-失调：YES微功率：YES
标称负供电电压 (Vsup)：-5 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：-25 °C封装主体材料：CERAMIC
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
电源：+-5 V认证状态：Not Qualified
子类别：Operational Amplifiers最大压摆率：0.8 mA
供电电压上限：18 V标称供电电压 (Vsup)：5 V
表面贴装：NO技术：CMOS
温度等级：OTHER端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL最小电压增益：316000
Base Number Matches：1

TC911A 数据手册

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3
TC911A  
TC911B  
AUTO-ZEROED OPERATIONAL AMPLIFIERS  
GENERAL DESCRIPTION  
FEATURES  
The TC911 CMOS auto-zeroed operational amplifier is  
the first complete monolithic chopper-stabilized amplifier.  
Chopper operational amplifiers like the ICL7650/7652 and  
LTC1052 require user-supplied, external offset compensa-  
tion storage capacitors. External capacitors are not re-  
quired with the TC911. Just as easy to use as the conven-  
tional OP07 type amplifier, the TC911 significantly reduces  
offset voltage errors. Pinout matches the OP07/741/7650  
8-pin mini-DIP configuration.  
Several system benefits arise by eliminating the exter-  
nal chopper capacitors: lower system parts count, reduced  
assembly time and cost, greater system reliability, reduced  
PC board layout effort and greater board area utilization.  
Space savings can be significant in multiple-amplifier de-  
signs.  
Electrical specifications include 15µV maximum offset  
voltage, 0.15µV/°C maximum offset voltage temperature  
coefficient. Offset voltage error is five times lower than the  
premium OP07E bipolar device. The TC911 improves off-  
set drift performance by eight times.  
The TC911 operates from dual or single power sup-  
plies. Supply current is typically 350µA. Single 4.5V to 16V  
supply operation is possible, making single 9V battery  
operation possible. The TC911 is available in 2 package  
types: 8-pin plastic DIP and SOIC.  
■ First Monolithic Chopper-Stabilized Amplifier  
With On-Chip Nulling Capacitors  
■ Offset Voltage .................................................... 5µV  
■ Offset Voltage Drift .................................. 0.05µV/°C  
■ Low Supply Current ...................................... 350µA  
■ High Common-Mode Rejection .................... 116dB  
■ Single Supply Operation ....................... 4.5V to 16V  
■ High Slew Rate............................................. 2.5V/µs  
■ Wide Bandwidth............................................1.5MHz  
■ High Open-Loop Voltage Gain  
(RL = 10 kΩ) .................................................... 120dB  
■ Low Input Voltage Noise  
(0.1 Hz to 1 Hz) .......................................... 0.65µVP-P  
■ Pin Compatible With ICL7650  
■ Lower System Parts Count  
ORDERING INFORMATION  
Maximum  
Temperature  
Range  
Offset  
Voltage  
Part No.  
Package  
TC911ACOA  
TC911ACPA  
8-Pin SOIC 0°C to +70°C  
15µV  
15µV  
8-Pin  
0°C to +70°C  
Plastic DIP  
PIN CONFIGURATION (SOIC and DIP)  
TC911BCOA  
TC911BCPA  
8-Pin SOIC 0°C to +70°C  
30µV  
30µV  
NC  
– INPUT  
+ INPUT  
1
2
3
4
8
7
6
5
NC  
– INPUT  
+ INPUT  
1
2
3
4
8
7
6
5
NC  
V
NC  
V
8-Pin  
Plastic DIP  
0°C to +70°C  
DD  
DD  
OUTPUT  
NC  
OUTPUT  
NC  
TC911ACOA  
TC911BCOA  
TC911ACPA  
TC911BCPA  
V
V
SS  
SS  
NC = NO INTERNAL CONNECTION  
FUNCTIONAL BLOCK DIAGRAM  
V
V
SS  
DD  
4
7
V
CORRECTION AMPLIFIER  
OS  
2
+
–
–INPUT  
A
B
INTERNAL  
OSCILLATOR  
(f  
≈ 200 Hz)  
OSC  
B
*
*
TC911  
A
+
–
LOW IMPEDANCE  
OUTPUT BUFFER  
3
+
–
+INPUT  
6
OUTPUT  
MAIN  
AMPLIFIER  
*NOTE: Internal capacitors. No external capacitors required.  
TC911/A/B-7 9/11/96  
TELCOM SEMICONDUCTOR, INC.  
3-263  
12345

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