Overview
The AD774BTD from Analog Devices Inc. is a 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) designed for high-performance data acquisition applications. This device is part of the AD774 series and is known for its precision, speed, and versatility. The AD774BTD features a monolithic design that combines high-performance bipolar analog circuitry with digital CMOS logic, utilizing Analog Devices' BiMOS II process. It includes on-chip high-precision voltage reference and clock, making it a complete solution for analog-to-digital conversion without the need for external components.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer / Brand | Analog Devices Inc. |
| Category | Integrated Circuits (ICs) > Data Acquisition - Analog to Digital Converters (ADC) |
| Description | IC ADC 12BIT SAR 28CDIP |
| Lead Free Status / RoHS Status | ROHS3 Compliant |
| Voltage - Supply, Digital | 5V |
| Voltage - Supply, Analog | ±11.4V ~ 16.5V |
| Package / Case | 28-CDIP (0.600', 15.24mm) |
| Operating Temperature | -55°C to +125°C |
| Number of Inputs | 2 |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Mounting Type | Through Hole |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Conversion Time | 8 µs (maximum) |
| Reference Type | Internal |
| Architecture | SAR |
Key Features
- 12-bit resolution
- Two single-ended analog inputs
- Sampling rate up to 28 kHz
- SAR (Successive Approximation Register) architecture
- Internal reference voltage
- Three-state output buffer circuitry for direct interface to 8- and 16-bit microprocessor busses
- High precision voltage reference and clock included on-chip
- Low power consumption and fast conversion time (8 µs maximum)
- Monolithic design using BiMOS II process combining bipolar analog circuitry with digital CMOS logic
Applications
- Medical devices
- Industrial control systems
- Automotive electronics
- Aerospace applications
Q & A
- What is the resolution of the AD774BTD ADC?
The AD774BTD has a 12-bit resolution.
- How many analog inputs does the AD774BTD have?
The AD774BTD has two single-ended analog inputs.
- What is the sampling rate of the AD774BTD?
The sampling rate of the AD774BTD is up to 28 kHz.
- What architecture does the AD774BTD use?
The AD774BTD uses a Successive Approximation Register (SAR) architecture.
- What is the operating temperature range of the AD774BTD?
The operating temperature range of the AD774BTD is -55°C to +125°C.
- What type of package does the AD774BTD come in?
The AD774BTD comes in a 28-CDIP (0.600', 15.24mm) package.
- Does the AD774BTD require external components for operation?
No, the AD774BTD does not require external components for operation as it includes on-chip high-precision voltage reference and clock.
- What is the conversion time of the AD774BTD?
The conversion time of the AD774BTD is 8 µs (maximum).
- Is the AD774BTD RoHS compliant?
Yes, the AD774BTD is ROHS3 compliant.
- What are some typical applications of the AD774BTD?
The AD774BTD is typically used in medical devices, industrial control systems, automotive electronics, and aerospace applications.
