VCA2616 具有低噪声前置放大器的双路可变增益放大器
The VCA2616 and VCA2611 are dual, Low-Noise Preamplifiers (LNP), plus low-noise Variable Gain Amplifiers (VGA). The VCA2611 is an upgraded version of the VCA2616. The only difference between the VCA2616 and the VCA2611 is the input structure to the LNP. The VCA2616 is limited to –0.3V negative-going input spikes; the VCA2611 is limited to –2.0V negative-going input spikes. This change allows the user to use slower and less expensive input clamping diodes prior to the LNP input. In some designs, input clamping may not be required.
The combination of Active Termination (AT) and Maximum Gain Select (MGS) allow for the best noise performance. The VCA2616 and VCA2611 also feature low crosstalk and outstanding distortion performance
|
VCA2616 |
| Slew Rate (Typ) (V/us) |
300 |
| GBW (Typ) (MHz) |
80 |
| Vs (Min) (V) |
4.75 |
| Vs (Max) (V) |
5.25 |
| Number of Channels |
2 |
| Pin/Package |
48TQFP |
| BW @ Acl (MHz) |
40 |
| Available Channels |
D |
| Vn at Flatband (Typ) (nV/rtHz) |
4.2 |
| Gain Range (dB) |
5,17,22,25 |
| Approx. Price (US$) |
10.25 | 1ku |
| Iib (Max) (nA) |
1 |
| Noninverting Input Current Noise (pA/rtHz) |
0.35 |
| 2nd Harmonic (dBc) |
63 |
| 3rd Harmonic (dBc) |
71 |
| @ MHz |
5 |
| Crosstalk (-dB) |
66 |
VCA2616 特性
- LOW-NOISE PREAMP:
- Low Input Noise: 0.95nV/Hz
- Active Termination Noise Reduction
- Switchable Termination Value
- 80MHz Bandwidth
- 5dB to 25dB Gain
- Differential In and Out
- LOW-NOISE VARIABLE GAIN AMPLIFIER:
- Low Noise VCA
- Up to 40dB Gain Range
- 40MHz Bandwidth
- Differential In and Out
- LOW CROSSTALK: 66dB at Max Gain, 5MHz
- HIGH-SPEED VARIABLE GAIN ADJUST
- SWITCHABLE EXTERNAL PROCESSING
- APPLICATIONS
- ULTRASOUND SYSTEMS
- WIRELESS RECEIVERS
- TEST EQUIPMENT
VCA2616 芯片订购指南
| 器件 |
状态 |
温度 |
价格 |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| VCA2616YR |
ACTIVE |
|
10.25 | 1ku |
TQFP (PFB) | 48 |
250 | SMALL T&R |
|
| VCA2616YT |
ACTIVE |
-40 to 85 |
11.35 | 1ku |
TQFP (PFB) | 48 |
2000 | LARGE T&R |
|
VCA2616 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| VCA2616YR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-3-260C-168 HR |
VCA2616YR |
VCA2616YR |
| VCA2616YT |
TBD |
Call TI |
Call TI |
VCA2616YT |
VCA2616YT |
VCA2616 应用技术支持与电子电路设计开发资源下载
- VCA2616 数据资料 dataSheet 下载.PDF
- TI 德州仪器PGA/VGA选型与价格 . xls
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- TI 工业自动电机控制/驱动器解决方案 2011 (Rev. B) (PDF 1322 KB)
- 在 PSPICE 中使用德州仪器 (TI) SPICE 模型 (zhca088.HTM, 8 KB)
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- 运算放大器的单电源操作 (PDF 2174 KB)
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- An Error Analysis of the ISO102 in a Small Signal Measuring Application (PDF 29 KB)
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VCA2616 工具与软件