参数资料
型号: THS4215DGK
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
封装: GREEN, PLASTIC, MSOP-8
文件页数: 16/47页
文件大小: 1197K
代理商: THS4215DGK
_
+
THS4211
49.9
50
Source
392
3.9 pF
5 V
-5 V
33 pF
VO
392
57.6
VI
392
_
+
THS4211
49.9
100
392
100
+5 V
-5 V
14-Bit,
400 MSps
DAC5675
RF
LO
196
392
392
3.3 V
392
_
+
49.9
100
100
14-Bit,
400 MSps
DAC5675
3.3 V
CF
1 nF
392
49.9
1 nF
CF
392
392
_
+
THS4211
RF(out)
IF+
IF-
100
1 nF
_
+
49.9
100
VO+
VI+
_
+
49.9
100
VO-
787
392
392
100
VI-
www.ti.com ................................................................................................................................... SLOS400E – SEPTEMBER 2002 – REVISED SEPTEMBER 2009
Using the THS4211 as a DAC Output Buffer
Active Filtering with the THS4211
Two example circuits are presented here showing the
High-frequency active filtering with the THS4211 is
THS4211 buffering the output of a digital-to-analog
achievable due to the amplifier's high slew-rate, wide
converter. The first circuit (Figure 80) performs a
bandwidth,
and
voltage
feedback
architecture.
differential
to
single-ended
conversion
with
the
Several options are available for high-pass, low-pass,
THS4211 configured as a difference amplifier. The
bandpass, and bandstop filters of varying orders. A
difference amplifier can double as the termination
simple two-pole low pass filter is presented in
mechanism for the DAC outputs as well.
Figure 82 as an example, with two poles at 100 MHz.
Figure 82. A Two-Pole Active Filter With
Two Poles Between 90 MHz and 100 MHz
Figure 80. Differential to Single-Ended
Conversion of a High-Speed DAC Output
A Low-Noise Receiver with the THS4211
For cases where a differential signaling path is
A combination of two THS4211 amplifiers can create
desirable, a pair of THS4211 amplifiers can be used
a high-speed, low-distortion, low-noise differential
as output buffers. The circuit in Figure 81 depicts a
receiver circuit as depicted in Figure 83. With both
differential drive into a mixer's IF inputs, coupled with
amplifiers operating in the noninverting mode of
additional signal gain and filtering.
operation, the circuit presents a high load impedance
to the source. The designer has the option of
controlling
the
impedance
through
termination
resistors if a matched termination impedance is
desired.
Figure 81. Differential Mixer Drive Circuit
Using the DAC5675 and the THS4211
Figure 83. A High Input Impedance, Low-Noise,
Differential Receiver
space
Copyright 2002–2009, Texas Instruments Incorporated
23
Product Folder Link(s): THS4211 THS4215
相关PDF资料
PDF描述
THS4215DGKRG4 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS4215DGNG4 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS4215DRG4 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS4215DRBRG4 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS4215DGKG4 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
相关代理商/技术参数
参数描述
THS4215DGKG4 功能描述:高速运算放大器 Super-Fast Ultr-Lo- Distortion Hi-Speed RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
THS4215DGKR 功能描述:高速运算放大器 Super-Fast Ultr-Lo- Distortion Hi-Speed RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
THS4215DGKRG4 功能描述:高速运算放大器 Super-Fast Ultr-Lo- Distortion Hi-Speed RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
THS4215DGN 功能描述:高速运算放大器 Super-Fast Ultr-Lo- Distortion Hi-Speed RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube
THS4215DGNG4 功能描述:高速运算放大器 Super-Fast Ultr-Lo- Distortion Hi-Speed RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube