規格
| 屬性 | 價值 |
| Supplier | Analog Devices Inc. |
| Package / Case | Tray |
| Part Status | Active |
| Number of Bits | 14 |
| Number of D/A Converters | 8 |
| Settling Time | 31µs (Typ) |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | Parallel |
| Reference Type | External |
| Voltage - Supply, Analog | ±13.5V ~ 16.5V |
| Voltage - Supply, Digital | 5V |
| INL / DNL(LSB) | ±4 (Max), -0.9/+2 (Max) |
| Architecture | R-2R |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 44-MQFP (10x10) |
概述
Description
AD7841ASZ is an Analog Devices analog-to-digital converter (ADC). It uses a successive-approximation architecture to digitize an analog input into a digital word and comes in a RoHS-compliant 8-pin SOIC package (suffix ASZ). The device is designed for easy interfacing to microcontrollers and data-acquisition systems, typically offering single-supply operation and flexible input options (single-ended or differential) with a straightforward control timing interface. It’s suitable for instrumentation, measurement, and control applications where a compact, moderate-speed ADC is needed. For exact specification details—resolution, sampling rate, input voltage range, reference configuration, and electrical characteristics—consult the AD7841 datasheet. The ASZ suffix simply denotes the packaging version; always verify current packaging and part options in the latest documentation.
Equivalent
Equivalents/cross references for AD7841ASZ (12‑bit, 8‑channel multiplexed ADC):
- Analog Devices: AD7841 in other package variants (same silicon)
- Texas Instruments: ADS7841 (pin‑compatible 12‑bit, 8‑channel multiplexer ADC)
Also consider the AD7840/AD7842 family for similar functionality. Note: exact substitution depends on package, temperature grade, and pinout—check datasheets for compatibility.
- Analog Devices: AD7841 in other package variants (same silicon)
- Texas Instruments: ADS7841 (pin‑compatible 12‑bit, 8‑channel multiplexer ADC)
Also consider the AD7840/AD7842 family for similar functionality. Note: exact substitution depends on package, temperature grade, and pinout—check datasheets for compatibility.
Features
Here are the key features of the AD7841ASZ (concise):
- 12-bit analog-to-digital converter
- Successive-approximation register (SAR) architecture
- Internal sample-and-hold
- Serial interface: SPI-compatible (DIN, DOUT, SCLK, CS)
- Single-supply operation: typically 4.75 V to 5.25 V
- Input range: 0 to Vref (typical 0–5 V, configured with reference)
- Package: 8-pin small-outline (ASZ)
- Industrial temperature range: -40°C to +85°C
- Low power consumption and compact footprint
Note: For exact electrical characteristics (Vref range, conversion time, current, and timing), refer to the official datasheet.
- 12-bit analog-to-digital converter
- Successive-approximation register (SAR) architecture
- Internal sample-and-hold
- Serial interface: SPI-compatible (DIN, DOUT, SCLK, CS)
- Single-supply operation: typically 4.75 V to 5.25 V
- Input range: 0 to Vref (typical 0–5 V, configured with reference)
- Package: 8-pin small-outline (ASZ)
- Industrial temperature range: -40°C to +85°C
- Low power consumption and compact footprint
Note: For exact electrical characteristics (Vref range, conversion time, current, and timing), refer to the official datasheet.
Pinout
- Pin count: 8 pins (ASZ package, SOIC-8)
- Function: 12‑bit, SPI‑interface analog-to-digital converter (single‑channel, serial data I/O).
- Function: 12‑bit, SPI‑interface analog-to-digital converter (single‑channel, serial data I/O).
Manufacturer
Manufacturer: Analog Devices, Inc. (ADI).
What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits (e.g., ADCs, DACs, op-amps, sensors) for industrial, automotive, communications, and consumer electronics.
What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits (e.g., ADCs, DACs, op-amps, sensors) for industrial, automotive, communications, and consumer electronics.
Application
AD7841ASZ is a 12‑bit ADC suitable for precision data acquisition. Typical application areas:
- Data acquisition systems and test equipment
- Industrial process control and automation
- Automotive sensor interfaces
- Medical instrumentation and patient monitoring
- Digital multimeters and portable measurement tools
- Transducer/bridge-sensor signal conditioning
- Environmental and scientific measurement instruments
- Instrumentation front-ends for laboratory/research equipment
- Data acquisition systems and test equipment
- Industrial process control and automation
- Automotive sensor interfaces
- Medical instrumentation and patient monitoring
- Digital multimeters and portable measurement tools
- Transducer/bridge-sensor signal conditioning
- Environmental and scientific measurement instruments
- Instrumentation front-ends for laboratory/research equipment
Package
AD7841ASZ is a 28-pin surface-mount device in a Small Outline Integrated Circuit (SOIC) package.