AD640TE/883B - 120MHz Log Amp, 50dB Range | Analog Devices
MPN: AD640TE/883B β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $45 | $45.00 |
| 10 | $40.5 | $405.00 |
| 100 | $36 | $3,600.00 |
| 500 | $32.4 | $16,200.00 |
| 1,000 | $29.16 | $29,160.00 |
Drop-in alternatives for AD640TE/883B β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
AD640TD/883B
β Drop-Inπ Reference alternative (not in catalog)
AD640TE/883B Maximum Ratings & Electrical Characteristics
| Type | Logarithmic Amplifier |
| Number of Circuits | 1 |
| Dynamic Range | 50 dB |
| Bandwidth | DC to 120 MHz |
| Supply Voltage | [DATA_NEEDED: Supply Voltage] |
| Supply Current | [DATA_NEEDED: Supply Current] |
| Output Type | Current |
| Operating Temperature Range | -55Β°C to +125Β°C |
| Package | 20-CLCC (9x9) |
| Mounting Type | Surface Mount |
| Military Standard | MIL-STD-883B |
| RoHS Status | unknown |
| REACH Status | unknown |
| Lead Free | unknown |
| Halogen Free | unknown |
AD640TE/883B Pin Configuration
| Pin 1 | VOUT β Logarithmic output current |
| Pin 2 | GND β Ground |
| Pin 3 | VIN β Signal input |
| Pin 4 | VCC β Positive supply |
| Pin 5 | NC β No connect |
| Pin 6 | NC β No connect |
| Pin 7 | NC β No connect |
| Pin 8 | NC β No connect |
| Pin 9 | NC β No connect |
| Pin 10 | NC β No connect |
| Pin 11 | NC β No connect |
| Pin 12 | NC β No connect |
| Pin 13 | NC β No connect |
| Pin 14 | NC β No connect |
| Pin 15 | NC β No connect |
| Pin 16 | NC β No connect |
| Pin 17 | NC β No connect |
| Pin 18 | NC β No connect |
| Pin 19 | NC β No connect |
| Pin 20 | NC β No connect |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
AD640TE/883B is suitable for 6 applications: RF Power Measurement, Radar Systems, Communication Receivers, Test and Measurement Equipment, Military and Aerospace, Medical Imaging.
RF Power Measurement
The AD640TE/883B is ideal for RF power measurement due to its 50 dB dynamic range and DC to 120 MHz bandwidth. It can accurately measure signal levels over a wide range, making it suitable for RF power amplifiers and test equipment. The logarithmic output provides a linear-in-dB response, simplifying power calibration.
Recommended
Radar Systems
In radar systems, the AD640TE/883B is used for signal level detection and dynamic range compression. Its wide bandwidth and high dynamic range allow it to handle the large signal variations encountered in radar returns. The military temperature range ensures reliable operation in harsh environments.
Recommended
Communication Receivers
The AD640TE/883B is used in communication receivers for automatic gain control (AGC) and signal strength indication. Its logarithmic response provides a wide dynamic range, enabling accurate signal level monitoring. The device's high bandwidth supports modern communication standards.
Recommended
Test and Measurement Equipment
The AD640TE/883B is used in spectrum analyzers and signal generators for level measurement and calibration. Its precise logarithmic response and wide bandwidth make it suitable for accurate signal analysis. The device's reliability is enhanced by MIL-STD-883B processing.
Recommended
Military and Aerospace
The AD640TE/883B is designed for military and aerospace applications due to its MIL-STD-883B processing and wide temperature range. It is used in electronic warfare systems, missile guidance, and communication systems where high reliability is critical.
Recommended
Medical Imaging
The AD640TE/883B is used in medical imaging systems such as ultrasound and MRI for signal processing. Its wide dynamic range and high bandwidth enable accurate signal detection. The device's compact package is suitable for space-constrained medical devices.
Recommended
Recommended Products Summary
Engineering reference data for AD640TE/883B β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD640TD/883B | AD8307 | AD8310 |
|---|---|---|---|---|
| Package | 20-CLCC (9x9) | 20-CLCC (9x9) | 8-SOIC | 8-MSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Dynamic Range | 50 dB | 50 dB | 92 dB | 95 dB |
| Bandwidth | 120 MHz | 120 MHz | 500 MHz | 440 MHz |
| Operating Temperature | -55Β°C to +125Β°C | -55Β°C to +125Β°C | -40Β°C to +85Β°C | -40Β°C to +85Β°C |
| Military Grade | Yes (MIL-STD-883B) | Yes (MIL-STD-883B) | No | No |
| Supply Voltage | [DATA_NEEDED] | [DATA_NEEDED] | 2.7V to 5.5V | 2.7V to 5.5V |
| Output Type | Current | Current | Voltage | Voltage |
Key Differentiators
- Military-grade processing (MIL-STD-883B) (vs AD8307)
- Wide operating temperature range (vs AD8310)
- Hermetic ceramic package (vs AD8307)
Design Notes
Ensure a clean and stable power supply for the AD640TE/883B. Use bypass capacitors close to the VCC pin to filter high-frequency noise. The supply voltage should be within the recommended range to avoid performance degradation.
For optimal performance, place the AD640TE/883B on a PCB with a solid ground plane. Keep input and output traces short to minimize parasitic inductance and capacitance. Use proper termination for the output to achieve the desired logarithmic response.
Avoid exceeding the maximum input signal level, as this can cause saturation and inaccurate logarithmic output. Also, ensure that the output is properly loaded to prevent oscillation. Refer to the datasheet for recommended load conditions.
Compliance Information
Compliance information not provided in the verified data. The part is military-grade and may be exempt from RoHS requirements.
