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ADG419BRZ Product Details
Introduction
The ADG419BRZ from Analog Devices is a precision, low-noise,
high-speed current-mode differential amplifier designed for a wide
range of instrumentation, medical equipment, test equipment, and
general-purpose instrumentation applications.
Parameters
- Supply Voltage: 4.5V to 6.5V
- Input Common Mode Range: -0.3V to VCC + 1.5V
- Output Swing: 2.7V (typical) to VCC + 0.5V
- Input Bias Current: ≤1 nA (typical)
- Input Offset Voltage: ≤1 mV (typical)
- Power Dissipation: 520 μW (typical) at room temperature
- Operating Temperature: -40°C to 85°C
- Shock/Vibration: Not specified
- RoHS Compliant
Advantages
The ADG419BRZ has several key advantages:
- Low Noise: The ADG419BRZ has low noise performance (<7 nV/√Hz), which
allows it to amplify weak signals without adding excessive noise
and maintain a high signal-to-noise ratio.
- High Isolation: The ADG419BRZ has high isolation between the input and output
terminals, which ensures low cross-talk between circuits and
reduces the risk of signal interference.
- Low Input Bias Current: The ADG419BRZ has a low input bias current of ≤1 nA, which allows
it to sense low current levels without introducing significant
error.
- Low Input Offset Voltage: The ADG419BRZ has a low input offset voltage of ≤1 mV, which
means that it is highly symmetrical and suitable for precision
applications where offset voltage compensation is important.
Features
- Current-Mode Differential Amplifier: The ADG419BRZ features a current-mode differential amplifier
topology that minimizes input referred noise, provides good common
mode rejection, and supports low DC input impedance for precise
signal conditioning and signal processing applications.
- Isolated Input/Output: The input and output terminals of the ADG419BRZ are isolated from
each other to prevent cross-talk between circuits and minimize
signal interference.
- Low Noise: The ADG419BRZ has low noise performance (<7 nV/√Hz), which
makes it suitable for amplifying weak signals without adding
excessive noise or degrading signal quality.
- Robustness: The ADG419BRZ is designed for use in industrial environments
where high levels of shock and vibration may be encountered without
any issues.
Functionality
The ADG419BRZ is a quad-channel current-mode differential amplifier
that features isolated input/output terminals and low noise
performance (<7 nV/√Hz). It allows for differential signal
conditioning and signal processing, and is suitable for precision
signal conditioning applications in high-frequency, high-accuracy
instrumentation, medical equipment, test equipment, and
general-purpose instrumentation. The ADG419BRZ also features ≤1 nA
input bias current and ≤1 mV input offset voltage for precise
signal sensing and amplification.
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