Description
BUY PGA204BP https://www.utsource.net/itm/p/12553467.html
| Parameter |
Symbol |
Conditions |
Min |
Typ |
Max |
Unit |
| Supply Voltage |
VDD |
Operating |
2.7 |
|
5.5 |
V |
| Quiescent Current |
IQ |
All channels off, TA = 25°C |
|
100 |
|
μA |
| Input Voltage Range |
VIN |
Referenced to AGND |
0 |
|
VDD |
V |
| Output Voltage Swing |
VOUT |
Load = 10 kΩ |
0 |
|
VDD |
V |
| Gain Error |
|
|
-1 |
0 |
+1 |
% |
| Total Harmonic Distortion |
THD |
1 kHz, VOUT = 1 Vrms |
|
0.01 |
|
% |
| Signal-to-Noise Ratio |
SNR |
1 kHz |
|
90 |
|
dB |
Instructions for Using PGA204BP
Power Supply Configuration:
- Connect the supply voltage (VDD) within the range of 2.7V to 5.5V.
- Ensure a stable power supply to avoid signal distortion.
Input Connection:
- Connect the input signal within the specified input voltage range, referenced to AGND.
- Avoid exceeding the maximum input voltage to prevent damage.
Output Configuration:
- The output can swing from 0V to VDD; ensure the load resistance is at least 10kΩ for optimal performance.
- For best results, match the output impedance with the load requirements.
Gain Setting:
- Adjust gain settings according to application needs, keeping in mind the gain error tolerance of ±1%.
Signal Integrity:
- To minimize total harmonic distortion and maximize signal-to-noise ratio, use high-quality PCB layout practices.
- Keep signal paths short and shield sensitive analog signals from digital noise sources.
Operating Temperature:
- While the device is designed for room temperature operation (TA = 25°C), ensure it remains within operational limits if used in varying environments.
Quiescent Current:
- Monitor quiescent current especially in battery-powered applications to optimize power consumption.
Protection Circuits:
- Implement appropriate protection circuits to safeguard against overvoltage and ESD events.
(For reference only)
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