Overview
The AD526JNZ, produced by Analog Devices Inc., is a single-ended, monolithic software programmable gain amplifier (SPGA). This device is designed to provide programmable gains of 1, 2, 4, 8, and 16, making it ideal for precision instrumentation applications. The AD526JNZ includes an amplifier, a resistor network, and TTL-compatible latched inputs, requiring no external components for operation. It offers excellent DC precision, low gain error, and low nonlinearity, which are critical for accurate signal processing in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Gains | 1, 2, 4, 8, 16 | - |
| Gain Error (C Grade) | 0.01% (G = 1, 2, 4), 0.02% (G = 8, 16) | % |
| Nonlinearity | ±0.005% FSR (J Grade) | % |
| Settling Time (10 V Signal Change) | 0.01% in 4.5 µs (Gain = 16) | µs |
| Settling Time (Gain Change) | 0.01% in 5.6 µs (Gain = 16) | µs |
| Offset Voltage | 0.5 mV Max (C Grade) | mV |
| Offset Voltage Drift | 3 µV/°C (C Grade) | µV/°C |
| Input Bias Current | 50 pA | pA |
| Small Signal Bandwidth | 350 kHz (Gain = 16) | kHz |
| Operating Temperature Range | 0°C to +70°C (J Grade), -40°C to +85°C (A, B, C Grades) | °C |
| Supply Voltage Range | ±4.5 V to ±16.5 V | V |
| Package Type | 16-Lead Plastic DIP (J Grade), 16-Lead Hermetic Side-Brazed Ceramic DIP (Other Grades) | - |
Key Features
- Digitally programmable binary gains from 1 to 16, with two-chip cascade mode achieving gains up to 256.
- Low gain error and low nonlinearity, making it suitable for precision instrumentation applications.
- Excellent DC accuracy with a guaranteed maximum input offset voltage of 0.5 mV and low offset voltage drift.
- Fast settling time and high slew rate, ensuring rapid response to signal changes.
- TTL-compatible digital inputs and the ability to operate in either latched or transparent mode.
- Force/sense configuration to preserve accuracy when the output is connected to remote or low impedance loads.
- Low bias current due to the FET-input stage.
Applications
- Precision instrumentation requiring programmable gain.
- Smart Industry and Industrial Automation.
- Instrumentation and Measurement Systems.
- Digital Health and Medical Devices.
- Electrification and Power Management Systems.
Q & A
- What are the programmable gain values of the AD526JNZ?
The AD526JNZ provides programmable gains of 1, 2, 4, 8, and 16.
- What is the maximum gain error for the AD526JNZ?
The maximum gain error is 0.01% for gains 1, 2, and 4, and 0.02% for gains 8 and 16 (C Grade).
- What is the nonlinearity of the AD526JNZ?
The nonlinearity is ±0.005% FSR (J Grade).
- How fast does the AD526JNZ settle after a signal change?
The settling time is 0.01% in 4.5 µs for a 10 V signal change at a gain of 16.
- What is the input bias current of the AD526JNZ?
The input bias current is 50 pA.
- What is the small signal bandwidth of the AD526JNZ at a gain of 16?
The small signal bandwidth is 350 kHz at a gain of 16.
- What are the operating temperature ranges for the AD526JNZ?
The operating temperature ranges are 0°C to +70°C (J Grade) and -40°C to +85°C (A, B, C Grades).
- What is the supply voltage range for the AD526JNZ?
The supply voltage range is ±4.5 V to ±16.5 V.
- In what package types is the AD526JNZ available?
The AD526JNZ is available in 16-Lead Plastic DIP (J Grade) and 16-Lead Hermetic Side-Brazed Ceramic DIP (Other Grades).
- Can the AD526JNZ be used in both latched and transparent modes?
Yes, the AD526JNZ can be operated in either latched or transparent mode.
