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LT1969CMS

更新时间: 2024-09-13 22:25:47
品牌 Logo 应用领域
凌特 - Linear 运算放大器光电二极管
页数 文件大小 规格书
20页 288K
描述
Dual 700MHz, 200mA, Adjustable Current Operational Amplifier

LT1969CMS 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:MSOP包装说明:TSSOP, TSSOP10,.19,20
针数:10Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.39放大器类型:OPERATIONAL AMPLIFIER
架构:VOLTAGE-FEEDBACK最大平均偏置电流 (IIB):5.5 µA
25C 时的最大偏置电流 (IIB):4 µA标称共模抑制比:91 dB
频率补偿:YES (AVCL>=10)最大输入失调电压:6000 µV
JESD-30 代码:S-PDSO-G10JESD-609代码:e0
长度:3 mm低-偏置:NO
低-失调:NO微功率:NO
湿度敏感等级:1负供电电压上限:-6.6 V
标称负供电电压 (Vsup):-2.5 V功能数量:2
端子数量:10最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP10,.19,20
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):235功率:YES
电源:+-2.5/+-6/5/12 V可编程功率:YES
认证状态:Not Qualified座面最大高度:1.1 mm
最小摆率:100 V/us标称压摆率:100 V/us
子类别:Operational Amplifier最大压摆率:17 mA
供电电压上限:6.6 V标称供电电压 (Vsup):2.5 V
表面贴装:YES技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:20
标称均一增益带宽:530000 kHz最小电压增益:4000
宽带:YES宽度:3 mm
Base Number Matches:1

LT1969CMS 数据手册

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LT1969  
Dual 700MHz, 200mA,  
Adjustable Current Operational Amplifier  
U
FEATURES  
DESCRIPTIO  
The LT®1969 is an adjustable current version of the  
popular LT1886, a 200mA minimum output current, dual  
op amp with outstanding distortion performance. The  
adjustable current feature is highly desirable in applica-  
tions where minimum power dissipation is required while  
still being able to provide adequate line termination.  
700MHz Gain Bandwidth  
±200mA Minimum IOUT  
Adjustable Quiescent Current  
Low Distortion: –72dBc at 1MHz, 4VP-P, 25, AV = 2  
Stable in AV 10, Simple Compensation for AV < 10  
±4.3V Minimum Output Swing, VS = ±6V, RL = 25Ω  
Stable with 1000pF Load  
At nominal supply current, the amplifiers are gain of 10  
stable and can easily be compensated for lower gains. The  
LT1969 features balanced high impedance inputs with  
4µA input bias current and 4mV maximum input offset  
voltage. Single supply applications are easy to implement  
and have lower total noise than current feedback amplifier  
implementations.  
6nV/Hz Input Noise Voltage  
2pA/Hz Input Noise Current  
4mV Maximum Input Offset Voltage  
4µA Maximum Input Bias Current  
400nA Maximum Input Offset Current  
±4.5V Minimum Input CMR, VS = ±6V  
Specified at ±6V, ±2.5V  
The output drives a 25load to ±4.3V with ±6V supplies.  
On ±2.5V supplies, the output swings ±1.5V with a 100Ω  
load. The amplifier is stable with a 1000pF capacitive load  
making it useful in buffer and cable driver applications.  
U
APPLICATIO S  
DSL Modems  
xDSL PCI Cards  
The LT1969 is manufactured on Linear Technology’s  
advancedlowvoltagecomplementarybipolarprocessand  
is available in a thermally enhanced MS10 package  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
USB Modems  
Line Drivers  
U
TYPICAL APPLICATIO  
Single 12V Supply ADSL Modem Line Driver  
12V  
ADSL Modem Line Driver Distortion  
0.1µF  
–60  
+
IN  
+
V
A
= 12V  
= 10  
S
V
12.4Ω  
1/2 LT1969  
f = 200kHz  
100LINE  
1:2 TRANSFORMER  
–70  
–80  
909Ω  
*COILCRAFT X8390-A  
OR EQUIVALENT  
10k 20k  
10k 20k  
HD2  
HD3  
1:2*  
100Ω  
100Ω  
100Ω  
1µF  
1µF  
–90  
909Ω  
I
I
I
ON = 14mA  
Q
Q
Q
CTRL1 CTRL2  
LOW POWER = 2mA  
6
7
STANDBY = 600µA  
–100  
12.4Ω  
0
2
4
6
8
10 12 14 16  
0.1µF  
1/2 LT1969  
+
STANDBY ON  
13k  
49.9k  
LINE VOLTAGE (V  
)
P-P  
LOGIC  
OUTPUT  
IN  
1969 TA01b  
STANDBY  
LOW POWER  
1969 TA01a  
ON  
1

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