Overview
The SA5212AD/01,112 is a high-performance transimpedance amplifier produced by NXP USA Inc. This device is particularly suited for applications requiring the amplification of very low signal levels from high-impedance sources. It features a wide bandwidth of 140 MHz, making it ideal for various high-speed applications such as fiber-optic receivers, medical and scientific instrumentation, and RF signal processing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 4.5 V ~ 5.5 V | V |
| Operating Temperature | -40°C ~ 85°C | °C |
| Bandwidth | 140 MHz | MHz |
| Differential Transresistance | 14 kΩ (typical) | kΩ |
| Input Noise | 2.5 pA/√Hz | pA/√Hz |
| Supply Current | 26 mA | mA |
| Output Current per Channel | 4 mA | mA |
| Package Type | 8-SOIC (0.154", 3.90mm Width) | - |
| Mounting Type | Surface Mount | - |
Key Features
- Extremely low noise: 2.5 pA/√Hz
- Single 5V supply
- Large bandwidth: 140 MHz
- Differential outputs
- Low input/output impedances
- 14 kΩ differential transresistance
- ESD hardened
- Differential and single-ended output modes
- Variable gain configuration possible
Applications
- Fiber-optic receivers, both analog and digital
- Current-to-voltage converters
- Medical and scientific instrumentation
- Sensor preamplifiers
- Single-ended to differential conversion
- Low noise RF amplifiers
- RF signal processing
Q & A
- What is the primary function of the SA5212AD/01,112?
The SA5212AD/01,112 is a transimpedance amplifier designed to amplify very low signal levels from high-impedance sources.
- What is the bandwidth of the SA5212AD/01,112?
The bandwidth of the SA5212AD/01,112 is 140 MHz.
- What is the typical differential transresistance of the SA5212AD/01,112?
The typical differential transresistance is 14 kΩ.
- What is the input noise level of the SA5212AD/01,112?
The input noise level is 2.5 pA/√Hz.
- What are the operating temperature ranges for the SA5212AD/01,112?
The operating temperature range is -40°C to +85°C.
- What types of packages are available for the SA5212AD/01,112?
The device is available in 8-Pin Plastic Small Outline (SO) and 8-Pin Plastic Dual In-Line Package (DIP) among others.
- Can the SA5212AD/01,112 be used without coupling capacitors?
Yes, but more care is required to avoid upsetting the internal bias nodes of the device.
- What are some common applications of the SA5212AD/01,112?
Common applications include fiber-optic receivers, medical and scientific instrumentation, sensor preamplifiers, and RF signal processing.
- Is the SA5212AD/01,112 ESD hardened?
Yes, the device is ESD hardened.
- Can the gain of the SA5212AD/01,112 be varied?
Yes, the gain can be varied using configurations such as the one involving the SA5230 low voltage op amp.
