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IC ADC 12BIT SAR 20TSSOP
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HerstellerAnalog Devices Inc.
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Herstellerteil #AD7328BRUZ-REEL7
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Paket TSSOP-20
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Auf Lager2939
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | iCMOS® |
| Part Status | Active |
| Number of Bits | 12 |
| Sampling Rate(Per Second) | 1M |
| Number of Inputs | 4, 7, 8 |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | SPI, DSP |
| Configuration | MUX-S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | ±12V ~ 16.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Features | Temperature Sensor, True Bipolar |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 20-TSSOP |
Übersicht
Description
- 8 single-ended or 4 pseudo-differential input channels.
- 1 MSPS sampling rate.
- SPI-compatible serial interface for communication.
- On-chip reference (2.5V) with external reference option.
- Low power (13.5 mW at 1 MSPS).
Packaged in a TSSOP-20, it’s suited for industrial control, data acquisition, and instrumentation. The "-REEL7" suffix indicates it comes on a 7-inch reel for automated assembly.
For detailed specs, refer to the datasheet.
Equivalent
- AD7327: 8-channel, 12-bit ADC with similar features but lower throughput.
- AD7324: 4-channel, 12-bit ADC for fewer inputs.
- LTC1867: 8-channel, 12-bit ADC from Linear Tech (now Analog Devices).
- MAX1238: 8-channel, 12-bit ADC from Maxim Integrated.
Check datasheets for exact compatibility in voltage range, interface, and performance.
Features
- Resolution: 12-bit SAR ADC.
- Channels: 8 single-ended or 4 pseudo-differential inputs.
- Throughput: 1 MSPS (1 million samples per second).
- Input Range: Software-selectable ±10V, ±5V, ±2.5V, or 0–10V.
- Interface: SPI-compatible serial interface.
- Power Supply: Dual ±12V to ±15V (analog), +2.7V to +5.25V (digital).
- Package: 20-lead TSSOP (REEL7 = tape and reel packaging).
- On-Chip Features: Track-and-hold, reference, and temperature sensor.
Ideal for industrial, automation, and data acquisition systems requiring high-speed, multi-channel ADC performance.
Pinout
- Pin Count: 20-pin (TSSOP package).
- Key Functions:
- 8 analog input channels (software-configurable as ±10V, ±5V, or 0–10V).
- Serial SPI interface for communication.
- On-chip reference (2.5V) with external reference option.
- Programmable sequencer for channel scanning.
- Power-down modes for low-power operation.
Operates from ±12V to ±15V (analog) and 2.7V to 5.25V (digital). Suitable for multichannel data acquisition.
Application
- Industrial Automation: Process control, PLCs, and monitoring systems.
- Medical Equipment: Patient monitoring and diagnostic devices.
- Data Acquisition Systems: Multi-channel sensor interfacing.
- Automotive Systems: Battery management and sensor monitoring.
- Test & Measurement: High-precision instrumentation.
Its features—±10V input range, SPI interface, and low power—make it ideal for multi-channel, high-accuracy signal conversion in harsh environments.
