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IC ADC 16BIT SIGMA-DELTA 16TSSOP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD7798BRUZ-REEL
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Ficha Técnica AD7798BRUZ-REEL DataSheet
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Pacote TSSOP-16
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Em Estoque5207
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Number of Bits | 16 |
| Sampling Rate(Per Second) | 470 |
| Number of Inputs | 3 |
| 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 | 2.7V ~ 5.25V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Operating Temperature | -40°C ~ 105°C |
| Supplier Device Package | 16-TSSOP |
Visão Geral
Description
This ADC supports three differential input channels and operates with a 2.7 V to 5.25 V power supply, making it versatile for various sensor interfacing needs. The AD7798 also features an on-chip low noise instrumentation amplifier, programmable gain amplifier (PGA), low drift voltage reference, and an on-chip clock, simplifying system design and reducing the need for external components.
Key features include low power consumption, an easy-to-use serial interface, and an integrated temperature sensor. This makes the AD7798BRUZ-REEL ideal for use in battery-powered devices, portable instrumentation, and industrial applications where precision and reliability are crucial. The "REEL" designation indicates that the product is supplied in reel packaging, suitable for automated assembly processes.
Equivalent
1. AD7799 - A 24-bit version from Analog Devices with similar features.
2. ADS1220 - From Texas Instruments, a low-power, 24-bit ADC.
3. MCP3422 - From Microchip Technology, a 2-channel, 18-bit ADC.
4. LTC2420 - From Analog Devices (formerly Linear Technology), a 20-bit, no-latency delta-sigma ADC.
Ensure compatibility by checking specific features and pin configurations.
Features
1. Resolution and Channels: It offers a 16-bit resolution with 3 differential or 3 pseudo-differential input channels.
2. Low Power Consumption: Designed for low power applications, it consumes minimal power, making it suitable for battery-operated devices.
3. Programmable Gain Amplifier (PGA): The on-chip PGA can be programmed to amplify input signals, supporting gains from 1 to 128.
4. Noise Performance: It provides excellent noise performance, crucial for precise measurement in various applications.
5. Data Rates: The ADC supports multiple data rates, allowing flexibility in balancing speed and resolution.
6. On-chip Features: Includes an internal clock, filtering, and a temperature sensor for added functionality.
7. Digital Interface: Communicates via a SPI-compatible interface, facilitating easy integration with microcontrollers and other digital systems.
8. Operating Voltage: Operates on a supply voltage of 2.7V to 5.25V, making it versatile for different power supply environments.
These features make the AD7798BRUZ-REEL suitable for precision measurement applications, including industrial process control, instrumentation, and portable devices.
Pinout
In terms of pin count, the AD7798BRUZ-REEL is housed in a 16-lead TSSOP (Thin Shrink Small Outline Package). The device includes pins for various functions such as power supply, digital interface, and analog inputs. Key pin functions include:
- VDD: Power supply input.
- GND: Ground reference.
- AIN1(+), AIN1(-), AIN2(+), AIN2(-): Differential analog input pins for connecting external sensors or signals.
- REFIN1(+), REFIN1(-): Reference voltage input pins.
- DOUT/RDY: Data output/ready pin for serial data output and status indication.
- DIN: Data input pin for serial data input.
- SCLK: Serial clock input pin for synchronizing data transfer.
- CS: Chip select input for enabling the device.
- SYNC/ERROR: Synchronization/error pin for resetting or error indication.
These pins facilitate the ADC's operation and integration into various measurement and data acquisition systems.
Manufacturer
Application
1. Weigh Scales: Used in digital weigh scales for accurate weight measurement.
2. Temperature Monitoring: Ideal for precision temperature sensing applications.
3. Process Control: Utilized in industrial process control systems for monitoring and control.
4. Pressure Measurement: Suitable for pressure sensing in various industrial applications.
5. Medical Instrumentation: Employed in medical devices that require precise data acquisition.
The AD7798BRUZ-REEL is valued for its low noise, low power consumption, and high accuracy, making it suitable for battery-operated devices and remote sensing applications.