Details
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| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 2.7 | 5.5 | V | Operating supply voltage range | |
| Quiescent Current | IQ | 100 | 渭A | Supply current in quiescent state | ||
| Input Bias Current | IB | 2 | nA | Input bias current at room temperature | ||
| Input Offset Voltage | VOS | -50 | 0 | 50 | 渭V | Maximum input offset voltage |
| Common-Mode Rejection Ratio | CMRR | 80 | 90 | dB | Common-mode rejection ratio | |
| Power Supply Rejection Ratio | PSRR | 80 | 90 | dB | Power supply rejection ratio | |
| Bandwidth | BW | 1.4 | MHz | Unity gain bandwidth | ||
| Slew Rate | SR | 0.6 | V/渭s | Slew rate | ||
| Output Voltage Swing | VOSWNG | V | Output voltage swing (depends on load and supply) | |||
| Gain Range | 1 | 32768 | Programmable gain range |
Instructions for PGA309AIPW:
Power Supply Connection:
- Connect the supply voltage (VDD) between 2.7V and 5.5V to the VDD pin.
- Ensure a stable power supply to avoid fluctuations that can affect performance.
Input Signal Application:
- Apply the input signal to the designated input pins.
- Keep the input voltage within the common mode range specified in the datasheet.
Gain Configuration:
- Set the desired gain using the external resistor or digital control interface as per the application requirements.
- The gain can be programmed from 1 to 32768.
Output Signal Handling:
- Connect the output pin to the subsequent stage of your circuit.
- Ensure the output load does not exceed the maximum specified output current.
Grounding and Layout Considerations:
- Proper grounding is crucial for minimizing noise and ensuring optimal performance.
- Use a ground plane and keep signal traces short to reduce interference.
Operating Temperature Range:
- Ensure the device operates within the specified temperature range (-40掳C to +85掳C) to maintain reliability and performance.
Protection Circuits:
- Incorporate protection circuits like clamping diodes if the input signals may exceed the supply rails.
Evaluation and Testing:
- Before finalizing the design, evaluate the PGA309AIPW with typical operating conditions and test thoroughly to ensure it meets all specifications.
For detailed information and more specific parameters, refer to the official datasheet provided by the manufacturer.
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