参数资料
型号: THS7001CPWPRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO20
封装: GREEN, PLASTIC, HTSSOP-20
文件页数: 23/41页
文件大小: 1203K
代理商: THS7001CPWPRG4
THS7001, THS7002
70MHz PROGRAMMABLEGAIN AMPLIFIERS
SLOS214C OCTOBER 1998 REVISED MARCH 2007
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
block diagram
_
+
PREAMP VCC+
PREAMP A IN+
PREAMP A IN
SHDNA
Preamp
PREAMP
OUT A
PGAA
IN
G2A
G1A
G0A
PGAA REF
PGA
VCC+
PGAB
GND
PGA
VCC
CLAMP+ (VH)
CLAMP (VL)
PGAA OUT
_
+
_
PREAMP VCC
PREAMP B IN
PREAMP B IN+
SHDNB
Preamp
PREAMP
OUT B
PGAB REF
PGAB OUT
+
G2B
G1B
G0B
PGAA
GND
_
+
PGAB
IN
Figure 2. THS7002 Dual Channel PGA
input preamp
To achieve the minimum input equivalent noise required for very small input signals, the input preamp is
configured as a classic voltage feedback amplifier with a minimum gain of 2 or 1. The output of the preamp
is accessible, allowing for adjustment of gain using external resistors and for external filtering between the
preamp and the PGA.
programmable gain amplifier (PGA)
The PGA is an inverting, programmable gain amplifier. The gain is digitally programmable using three control
bits (TTL-compatible terminals) that are encoded to provide eight distinct levels of gain/attenuation. Nominal
gain/attenuation is shown in Table 1.
Table 1. Nominal Gain/Attenuation
G2
G1
G0
PGA GAIN
(dB)
PGA GAIN
(V/V)
0
22
0.08
0
1
16
0.16
0
1
0
10
0.32
0
1
4
0.63
1
0
2
1.26
1
0
1
8
2.52
1
0
14
5.01
1
20
10.0
相关PDF资料
PDF描述
TXD10005KASLPLNH 1-OUTPUT 1000 W AC-DC PWR FACTOR CORR MODULE
TPS54290PWPR 4.6 A DUAL SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO16
TC1142-3.5EUART SWITCHED CAPACITOR REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO8
TC54VC3501EZB713 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3
TLV431AQDBVRQ1 THREE TERM VOLTAGE REFERENCE, PDSO5
相关代理商/技术参数
参数描述
THS7001EVM 功能描述:放大器 IC 开发工具 THS7001 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
THS7001IPWP 功能描述:特殊用途放大器 70-MHz Hi-Spd Prog Gain Amplifier 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
THS7001IPWPG4 功能描述:特殊用途放大器 70-MHz Hi-Spd Prog Gain Amplifier 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
THS7001IPWPR 功能描述:运算放大器 - 运放 70 MHz Hi Spd Prog Gain Amplifier RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比(最小值):63 dB 输入补偿电压:1 mV 输入偏流(最大值):10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel
THS7001IPWPRG4 功能描述:运算放大器 - 运放 70 MHz Hi Spd Prog Gain Amplifier RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比(最小值):63 dB 输入补偿电压:1 mV 输入偏流(最大值):10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel