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參數資料
| 型號： | THS4215DRBRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | POWERPAD, GREEN, PLASTIC, SON-8 |
| 文件頁數： | 16/47頁 |
| 文件大小： | 1197K |
| 代理商： | THS4215DRBRG4 |
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_
+
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
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相關代理商/技術參數 |
參數描述 |
|---|---|
| THS4215DRBT | 功能描述:高速運算放大器 Super-Fast Ultr-Lo- Distortion Hi-Speed RoHS:否 制造商:Texas Instruments 通道數量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS4215DRBTG4 | 功能描述:高速運算放大器 Super-Fast Ultr-Lo- Distortion Hi-Speed RoHS:否 制造商:Texas Instruments 通道數量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS4215DRG4 | 功能描述:高速運算放大器 Super-Fast Ultr-Lo- Distortion Hi-Speed RoHS:否 制造商:Texas Instruments 通道數量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS4215EVM | 功能描述:放大器 IC 開發工具 THS4215 Eval Mod RoHS:否 制造商:International Rectifier 產品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| THS4221 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-DISTORTION, HIGH-SPEED, RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS |
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