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IC ADC 24BIT SIGMA-DELTA 28TSSOP
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HerstellerAnalog Devices Inc.
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Herstellerteil #AD7732BRUZ-REEL7
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Datenblatt AD7732BRUZ-REEL7 DataSheet
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Paket TSSOP-28
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Auf Lager4612
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Number of Bits | 24 |
| Sampling Rate(Per Second) | 15.4k |
| Number of Inputs | 2 |
| Input Type | Differential |
| Data Interface | SPI, DSP |
| Configuration | MUX-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 2.7V ~ 3.6V, 5V |
| Operating Temperature | -40°C ~ 105°C |
| Supplier Device Package | 28-TSSOP |
Übersicht
Description
Key specifications:
- Resolution: 24 bits (no missing codes).
- Inputs: 2 fully differential or 4 pseudo-differential.
- PGA Gains: 1 to 128.
- Output Rate: Up to 1.2 kHz.
- Interface: SPI-compatible serial interface.
- Supply Voltage: 5 V (analog), 3 V or 5 V (digital).
The AD7732 is ideal for industrial, medical, and instrumentation systems requiring high accuracy, such as weigh scales, strain gauges, and temperature sensors. Its on-chip calibration and low-noise performance simplify design while ensuring reliability.
Package: TSSOP-24.
Ordering suffix -REEL7 indicates tape-and-reel packaging for automated assembly.
For detailed specs, refer to the datasheet on Analog Devices' website.
Equivalent
- AD7730: Lower channel count (1 vs. 2) but similar specs.
- AD7731: Higher resolution (24-bit) with single-channel.
- ADS1232 (TI): 24-bit, dual-channel, bridge-compatible ADC.
- LTC2440 (Analog Devices): 24-bit, single-channel, high-precision.
These alternatives offer comparable performance for bridge sensor applications. Check datasheets for exact compatibility.
Features
- Resolution: 24-bit, ensuring high accuracy.
- Channels: 2 fully differential or 4 pseudo-differential inputs.
- Throughput: Up to 1.2 kSPS (with internal filter).
- Input Range: ±10V (with external reference).
- Low Noise: 16.5-bit peak-to-peak resolution at 1.2 kSPS.
- On-Chip Features: PGA (gain 1–128), digital filter, and calibration.
- Interface: SPI-compatible serial interface.
- Power Supply: Single +5V or dual ±5V operation.
- Low Power: 25 mW typical.
- Package: 28-lead TSSOP.
Ideal for industrial, medical, and instrumentation applications requiring high-resolution data acquisition.
Pinout
- Pin Count: 28 (TSSOP package)
- Key Functions:
- Dual-channel, low-noise analog input (pseudo-differential or fully differential).
- On-chip programmable gain amplifier (PGA) with gains from 1 to 128.
- SPI-compatible serial interface for communication.
- Internal clock oscillator and reference buffer.
- Low-power modes for energy efficiency.
It is commonly used in precision measurement applications like weigh scales and industrial process control.
Manufacturer
Application
- Industrial Weigh Scales – High-resolution load cell and strain gauge measurements.
- Process Control – Accurate sensor interfacing for pressure, temperature, and flow.
- Medical Instrumentation – Low-noise signal conditioning for patient monitoring.
- Test & Measurement – Precision data acquisition in lab and field equipment.
- Automotive Sensors – Reliable signal conversion for pressure and torque sensing.
Its low noise, high accuracy, and flexible input ranges make it ideal for systems requiring robust analog-to-digital conversion.