MAX4169EPD

Voltage - Input Offset:	250µV
Base Part Number:	MAX4169
Supplier Device Package:	14-PDIP
Package / Case:	14-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 6.5 V, ±1.35 V ~ 3.25 V
Current - Output / Channel:	125mA
Current - Supply:	1.3mA
Series:	--
Current - Input Bias:	50nA
Gain Bandwidth Product:	5MHz
Slew Rate:	2 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Obsolete
Packaging:	Tube

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MAX4169EPD is a low-power differential amplifier. It provides low differential input offsets and very-low supply-current per package. The MAX4169EPD is optimized for operation at the higher supply voltages used in industrial and professional systems, including 5V, 12V, 15V, and ±15V supplies. It offers very low offsets, low drift, low bias currents, and low noise. The MAX4169EPD is suitable for a wide range of instrumentation and industrial applications, such as line receivers, balanced amplifiers, and high-side current sensing.ApplicationsThe MAX4169EPD is an ideal amplifier for system designers looking to use a low-power and cost-effective differential amplifier in a variety of applications. It is designed with low-power consumption and is an excellent choice for battery-operated industrial, instrumentation, and professional systems using single- or dual supplies.The MAX4169EPD is ideal for precision line receivers, balanced amplifiers, and high-side current sensing; as well as for active filters, AC-DC converters, operational amplifiers, and isolated data/power transfer and multiplexing circuits.Some of the key applications include industrial and laboratory test equipment, biomedical applications, AC/DC load line drivers, AC/DC relays, capacitive load drivers, DC/DC converters, electronic metering, motor drivers and controls, PID controllers, PWM frequency limiters, switching regulators, and voltage comparators.Working PrincipleThe MAX4169EPD is a dual low-power differential amplifier that utilizes four building-block amplifier stages to achieve its remarkable performance. Each amplifier stage incorporates a high-gain voltage-controlled-resistor and a low-offset voltage-controlled-resistor. The device’s amplifiers provide excellent performance with very low offsets and drift, low noise and wide dynamic range.The internal circuitry of the MAX4169EPD is composed of four separate, individual amplifier stages. These stages combine to form a single differential amplifier, with an extremely low offset and low-drift, and low noise characteristics. The differential inputs of these amplifiers are also internally bridged, allowing for single-ended inputs.Each amplifier stage has a differential input that allows for both positive and negative levels of input signal. As the input levels increase beyond the common-mode voltage range, the input amplifiers’ gain decreases slightly due to the resetting of the gain of the associated voltage-controlled-resistor. The low-power consumption of the MAX4169EPD is due to the low levels of current that flow in the internal circuitry of the device.ConclusionThe MAX4169EPD is a low-power differential amplifier designed to provide precision line receivers, balanced amplifiers, and high-side current sensing, as well as a wide range of instrumentation and industrial applications. With its low-power consumption, low-offset and drift, low noise and wide dynamic range, the MAX4169EPD is an ideal amplifier for system designers looking to utilize a low-cost and efficient amplifier. The device’s internal circuitry utilizes four separate amplifier stages which combine to form a single differential amplifier. The MAX4169EPD is an excellent choice for those creating battery-operated industrial, instrumentation, and professional systems using single- or dual supplies.

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