MAX5420AEUA+

The MAX5420AEUA+ is a digitally programmable precision voltage divider for digitally programmable gain amplifier (PGA) configurations in 8 pin µMAX package. The device operates from single +5V supply or dual ±5V supply and consumes only 3μA supply current. It consists of digitally selectable resistor array that provides four precision non-inverting gains of 1, 2, 4 and 8 for PGAs. The MAX5420A achieves a resistor ratio accuracy of 0.025%. It is typically designed for general purpose programmable non-inverting amplifiers.

• Positive supply voltage range from 4.75V 5.25V and negative supply voltage range from 0V to -5.25V
• Operating temperature range from -40°C to 85°C
• CMOS/TTL logic compatible 2-wire parallel interface
• High terminal of resistor divider (H) to low terminal of resistor divider (L) resistance is 15Kohm
• Input resistance at high terminal of resistor divider (H) is 15Kohm
• Input resistance at resistor divider output (W) is 300 ohm (VSS = -5V) and 500 ohm (VSS = 0)
• Switching time is 0.5μs
• Positive supply current of 3μA (D1, D0 = VDD or GND) and 15μA (D1, D0 = 3V)

Ứng Dụng

Signal Processing

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