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ADS7957SDBTR
+Lista de MateriaisIC ADC 10BIT SAR 38TSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #ADS7957SDBTR
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Ficha Técnica ADS7957SDBTR DataSheet
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Especificações
| Atributo | Valor |
| Series | microPOWER™ |
| Part Status | Active |
| Number of Bits | 10 |
| Sampling Rate (Per Second) | 1M |
| Number of Inputs | 16 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | MUX-S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A / D Converters | 1 |
| Architecture | SAR |
| Reference Type | External |
| Voltage - Supply, Analog | 2.7V ~ 5.25V |
| Voltage - Supply, Digital | 1.7V ~ 5.25V |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 38-TSSOP |
| Mounting Type | Surface Mount |
| Base Product Number | ADS7957 |
Visão Geral
Description
Key features include integrated reference voltage, programmable gain amplifier (PGA), and various digital interfaces such as SPI, which simplifies connectivity with microcontrollers and DSPs. The ADS7957SDBTR offers excellent linearity and low noise, ensuring high accuracy in measurement. It is ideal for applications in industrial automation, medical devices, and sensor monitoring.
With a compact package design, the ADS7957SDBTR is well-suited for space-constrained environments, providing a reliable solution for multi-channel data acquisition needs.
Equivalent
Features
1. 16-Bit Resolution: Provides high precision for analog signal conversion.
2. 8-Channel Multiplexer: Allows multiple inputs to be sampled, enhancing versatility in applications.
3. Speed: Features a sample rate of up to 1 Msps, suitable for fast signal processing.
4. Low Power Consumption: Operates with low power, ideal for battery-powered applications, consuming around 2.5 mA in normal operation.
5. SPI Interface: Facilitates easy communication with microcontrollers and processors.
6. Internal Reference: Includes an internal voltage reference, simplifying design requirements.
7. Programmable Gain Amplifier (PGA): Offers flexibility in signal conditioning for varying input levels.
8. Temperature Range: Operates across a wide temperature range (-40°C to +85°C), making it suitable for industrial applications.
These features make the ADS7957SDBTR well-suited for applications in data acquisition, industrial control, and sensor interfacing.
Pinout
Pin Functions:
- Power Supply Pins: Provide necessary voltage levels (e.g., VDD, VSS).
- Analog Input Pins: Eight channels (AIN0 to AIN7) for analog signal input.
- Digital Interface Pins: Include SPI interface pins (SCLK, SDI, SDO, CS), which are used for communication.
- Conversion Control Pins: Pins such as CONVST for initiating conversions.
- Reference Pins: External reference voltage input for the ADC operation.
- Clock Pins: For internal clock operation.
- Ground Pins: To ensure stable operation and signal integrity.
This ADC is suitable for applications requiring high speed and high precision in data conversion.