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| 型号： | THS7002CPWP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封装： | GREEN, PLASTIC, HTSSOP-28 |
| 文件页数： | 1/41页 |
| 文件大小： | 1203K |
| 代理商： | THS7002CPWP |
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THS7001, THS7002
70MHz PROGRAMMABLEGAIN AMPLIFIERS
SLOS214C OCTOBER 1998 REVISED MARCH 2007
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Separate Low Noise Preamp and PGA
Stages
D Shutdown Control
D Preamp Features
Low Voltage Noise . . . 1.7 nV/
√Hz
Accessible Output Pin for External
Filtering
Voltage Feedback, Gmin = 1, 2
100 MHz Bandwidth (3 dB)
D PGA Features
Digitally Programmable Gain
22 dB to 20 dB Gain/Attenuation Range
6 dB Step Resolution
Output Clamp Protection
70 MHz Bandwidth (3 dB)
175 V/
s Slew Rate
D Wide Supply Range ±4.5 V to ±16 V
D PowerPAD Package for Enhanced
Thermal Performance
description
The THS7001 (single) and THS7002 (dual) are high-speed programmable-gain amplifiers, ideal for applications
where load impedance can often vary. Each channel on this device consists of a separate low-noise input
preamp and a programmable gain amplifier (PGA). The preamp is a voltage-feedback amplifier offering a low
1.7-nV/
√Hz voltage noise with a 100-MHz (3 dB) bandwidth. The output pin of the preamp is accessible so that
filters can be easily added to the amplifier.
The 3-bit digitally-controlled PGA provides a 22-dB to 20-dB attenuation/gain range with a 6-dB step
resolution. In addition, the PGA provides both high and low output clamp protection to prevent the output signal
from swinging outside the common-mode input range of an analog-to-digital converter. The PGA provides a
wide 70-MHz (3 dB) bandwidth, which remains relatively constant over the entire gain/attenuation range.
Independent shutdown control is also provided for power conservation and multiplexing. These devices operate
over a wide
±4.5-V to ±16-V supply voltage range.
_
+
PREAMP VCC+
PREAMP IN+
PREAMP IN
PREAMP VCC
Preamp
PREAMP
OUT
PGA IN
G2
G1
G0
PGA REF
SHDN
PGA
VCC+
GND
PGA
VCC
CLAMP+ (VH)
CLAMP (VL)
PGA OUT
_
+
Figure 1. THS7001 Block Diagram
Copyright
1999, Texas Instruments Incorporated
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.
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.
CAUTION: The THS7001 and THS7002 provides ESD protection circuitry. However, permanent damage can still occur if this
device is subjected to high-energy electrostatic discharges. Proper ESD precautions are recommended to avoid any performance
degradation or loss of functionality.
PowerPAD is a trademark of Texas Instruments Incorporated.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| THS7002CPWPG4 | 功能描述:特殊用途放大器 70-MHz Hi-Spd Dual Prgrmbl-Gain Amp RoHS:否 制造商:Texas Instruments 通道数量:Single 共模抑制比（最小值）: 输入补偿电压: 工作电源电压:3 V to 5.5 V 电源电流:5 mA 最大功率耗散: 最大工作温度:+ 70 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-20 封装:Reel |
| THS7002CPWPR | 功能描述:特殊用途放大器 70-MHz Programmable- Gain Dual RoHS:否 制造商:Texas Instruments 通道数量:Single 共模抑制比（最小值）: 输入补偿电压: 工作电源电压:3 V to 5.5 V 电源电流:5 mA 最大功率耗散: 最大工作温度:+ 70 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-20 封装:Reel |
| THS7002CPWPRG4 | 功能描述:特殊用途放大器 70-MHz Programmable- Gain Dual RoHS:否 制造商:Texas Instruments 通道数量:Single 共模抑制比（最小值）: 输入补偿电压: 工作电源电压:3 V to 5.5 V 电源电流:5 mA 最大功率耗散: 最大工作温度:+ 70 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-20 封装:Reel |
| THS7002EVM | 功能描述:放大器 IC 开发工具 THS7002 Hi-Spd Amp Eval Mod RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| THS7002IPWP | 功能描述:特殊用途放大器 70-MHz Programmable- Gain Dual RoHS:否 制造商:Texas Instruments 通道数量:Single 共模抑制比（最小值）: 输入补偿电压: 工作电源电压:3 V to 5.5 V 电源电流:5 mA 最大功率耗散: 最大工作温度:+ 70 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-20 封装:Reel |
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