VCA2615 2 通道可变增益放大器
The VCA2615 is a dual-channel, variable gain amplifier consisting of a Low-Noise Preamplifier (LNP) and a Variable-Gain Amplifier (VGA). This combination along with the device features makes it well-suited for a variety of ultrasound systems.
The LNP offers a high level of flexibility to adapt to a wide range of systems and probes. The LNP gain can be programmed to one of four settings (3dB, 12dB, 18dB, 22dB), while maintaining excellent noise and signal handling characteristics. The input impedance of the LNP can be controlled by selecting one of the built-in feedback resistors. This active termination allows the user to closely match the LNP to a given source impedance, resulting in optimized overall system noise performance
|
VCA2615 |
| GBW (Typ) (MHz) |
42 |
| Vs (Min) (V) |
4.75 |
| Vs (Max) (V) |
5.25 |
| Number of Channels |
2 |
| Pin/Package |
48TQFP, 48VQFN |
| Available Channels |
D |
| Gain Range (dB) |
52 |
| Approx. Price (US$) |
8.05 | 1ku |
| 2nd Harmonic (dBc) |
55 |
| 3rd Harmonic (dBc) |
55 |
VCA2615 特性
- VERY LOW NOISE: 0.7nV/Hz
- LOW-NOISE PREAMP (LNP)
- Active Termination
- Programmable Gains: 3, 12, 18, 22dB
- Programmable Input Impedance (RF)
- Buffered, Differential Outputs for CW Processing
- Excellent Input Signal Handling Capabilities
- LOW-NOISE VARIABLE-GAIN AMPLIFIER
- High/Low-Mode (0/+6dB)
- 52dB Gain Control Range
- Linear Control Response: 22dB/V
- Switchable Differential Inputs
- Adjustable Output Clipping-Level
- BANDWIDTH: 42MHz
- HARMONIC DISTORTION: –55dB
- 5V SINGLE SUPPLY
- LOW-POWER: 154mW/Channel
- POWER-DOWN MODES
- APPLICATIONS
- MEDICAL AND INDUSTRIAL ULTRASOUND SYSTEMS
VCA2615 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 |
| VCA2615PFBR |
ACTIVE |
-40 to 85 |
8.05 | 1ku |
TQFP (PFB) | 48 |
1000 | LARGE T&R |
|
| VCA2615PFBT |
ACTIVE |
-40 to 85 |
8.90 | 1ku |
TQFP (PFB) | 48 |
250 | SMALL T&R |
|
| VCA2615RGZR |
ACTIVE |
-40 to 85 |
8.05 | 1ku |
VQFN (RGZ) | 48 |
2500 | LARGE T&R |
|
| VCA2615RGZRG4 |
ACTIVE |
-40 to 85 |
8.05 | 1ku |
VQFN (RGZ) | 48 |
2500 | LARGE T&R |
|
| VCA2615RGZT |
ACTIVE |
-40 to 85 |
8.90 | 1ku |
VQFN (RGZ) | 48 |
250 | SMALL T&R |
|
| VCA2615RGZTG4 |
ACTIVE |
-40 to 85 |
8.90 | 1ku |
VQFN (RGZ) | 48 |
250 | SMALL T&R |
|
VCA2615 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 |
| VCA2615PFBR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
VCA2615PFBR |
VCA2615PFBR |
| VCA2615PFBT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
VCA2615PFBT |
VCA2615PFBT |
| VCA2615RGZR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-3-260C-168 HR |
VCA2615RGZR |
VCA2615RGZR |
| VCA2615RGZRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-3-260C-168 HR |
VCA2615RGZRG4 |
VCA2615RGZRG4 |
| VCA2615RGZT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-3-260C-168 HR |
VCA2615RGZT |
VCA2615RGZT |
| VCA2615RGZTG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-3-260C-168 HR |
VCA2615RGZTG4 |
VCA2615RGZTG4 |
VCA2615 应用技术支持与电子电路设计开发资源下载
- VCA2615 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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- A Numerical Solution to an Analog Problem (sboa124.HTM, 8 KB)
- 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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VCA2615 工具与软件
