規格
| 屬性 | 價值 |
| Package | Bulk,Tube |
| ProductStatus | Active |
| NumberofBits | 8 |
| NumberofD/AConverters | 1 |
| SettlingTime | 2µs |
| OutputType | Voltage - Buffered |
| DifferentialOutput | No |
| DataInterface | Parallel |
| ReferenceType | External |
| Voltage-SupplyAnalog | 2.7V ~ 5.5V |
| Voltage-SupplyDigital | 2.7V ~ 5.5V |
| INL/DNL(LSB) | ±1 (Max), ±1 (Max) |
| Architecture | Current Source |
| OperatingTemperature | -40°C ~ 105°C |
| Package/Case | 20-SOIC (0.295, 7.50mm Width) |
| SupplierDevicePackage | 20-SOIC |
概述
Equivalent
The AD7801BRZ is a precision voltage reference. Equivalent alternatives include:
- LT6654 (Analog Devices)
- REF5025 (Texas Instruments)
- MAX6126 (Maxim Integrated)
- LM4040 (Texas Instruments, less precise)
These offer similar performance (e.g., low noise, high accuracy) but check specs like voltage output (2.5V for AD7801BRZ), tolerance, and package compatibility for your design.
- LT6654 (Analog Devices)
- REF5025 (Texas Instruments)
- MAX6126 (Maxim Integrated)
- LM4040 (Texas Instruments, less precise)
These offer similar performance (e.g., low noise, high accuracy) but check specs like voltage output (2.5V for AD7801BRZ), tolerance, and package compatibility for your design.
Features
The AD7801BRZ is a precision, low-power voltage reference IC with the following key features:
- Output Voltage: 2.5V (fixed)
- High Accuracy: ±0.04% (max) initial error
- Low Temperature Drift: 3 ppm/°C (max)
- Low Noise: 4 μV p-p (0.1 Hz to 10 Hz)
- Low Supply Current: 500 μA (max)
- Wide Supply Range: 4V to 36V
- Load Regulation: 5 ppm/mA (typ)
- Stable with Capacitive Loads: Up to 10 μF
- Operating Temp Range: -40°C to +125°C
- Package: 8-lead SOIC (BRZ)
Ideal for precision ADC/DAC applications, data acquisition systems, and industrial instrumentation.
- Output Voltage: 2.5V (fixed)
- High Accuracy: ±0.04% (max) initial error
- Low Temperature Drift: 3 ppm/°C (max)
- Low Noise: 4 μV p-p (0.1 Hz to 10 Hz)
- Low Supply Current: 500 μA (max)
- Wide Supply Range: 4V to 36V
- Load Regulation: 5 ppm/mA (typ)
- Stable with Capacitive Loads: Up to 10 μF
- Operating Temp Range: -40°C to +125°C
- Package: 8-lead SOIC (BRZ)
Ideal for precision ADC/DAC applications, data acquisition systems, and industrial instrumentation.
Pinout
The AD7801BRZ is a 16-pin (SOIC) digital-to-analog converter (DAC) with the following key functions:
- Resolution: 8-bit
- Output Type: Voltage output (buffered)
- Interface: Parallel (8-bit data input)
- Supply Voltage: Single +5V operation
- Features: Fast settling time (100ns), low power consumption, and internal reference.
Pins include:
- Data inputs (D0–D7): 8-bit parallel data
- VOUT: Analog output
- VREF: Reference voltage input/output
- Control pins (CS, WR, LDAC): For latching and updating the DAC output.
Concise and functional for quick reference.
- Resolution: 8-bit
- Output Type: Voltage output (buffered)
- Interface: Parallel (8-bit data input)
- Supply Voltage: Single +5V operation
- Features: Fast settling time (100ns), low power consumption, and internal reference.
Pins include:
- Data inputs (D0–D7): 8-bit parallel data
- VOUT: Analog output
- VREF: Reference voltage input/output
- Control pins (CS, WR, LDAC): For latching and updating the DAC output.
Concise and functional for quick reference.
Manufacturer
The AD7801BRZ is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Wilmington, Massachusetts, ADI serves industries like automotive, healthcare, industrial automation, and communications. The company is renowned for its precision data converters, amplifiers, and power management ICs, including the AD7801BRZ, a precision voltage reference IC.
ADI is known for innovation, reliability, and technical expertise in signal processing solutions.
ADI is known for innovation, reliability, and technical expertise in signal processing solutions.
Package
The AD7801BRZ comes in an 8-lead SOIC (Small Outline Integrated Circuit) package. This surface-mount package is compact, widely used, and suitable for various applications. The "BRZ" suffix indicates the specific packaging and temperature range. The SOIC-8 package dimensions are approximately 5mm x 4mm x 1.5mm.
