Overview
The MAX1085BCSA+ is a 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for high-speed, low-power applications and features a single-supply operation from +2.7V to +3.6V. It combines a high-bandwidth track/hold, a serial interface with high conversion speed, and an internal +2.5V reference, making it ideal for various demanding applications such as remote-sensor and data-acquisition systems, medical instruments, and battery-powered devices.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 1 Channel |
| Interface Type | SPI/QSPI/MICROWIRE |
| Sampling Rate | 300 kSPS |
| Supply Voltage | +2.7V to +3.6V |
| Integral Nonlinearity (INL) | ±1 LSB |
| Differential Nonlinearity (DNL) | ±1 LSB |
| Offset Error | ±3 LSB |
| Gain Error | ±3 LSB |
| Gain Error Temperature Coefficient | ±1.6 ppm/°C |
| Signal to Noise plus Distortion Ratio (SINAD) | 60 dB |
| Total Harmonic Distortion (THD) | -70 dB |
| Spurious-Free Dynamic Range (SFDR) | 70 dB |
| Shutdown Supply Current | 2 μA |
| Full-Power Bandwidth | 3 MHz |
| Operating Temperature Range | 0°C to 70°C |
| Package Type | 8-pin SOIC |
Key Features
- Single-supply operation from +2.7V to +3.6V
- 10-bit resolution with high accuracy (INL and DNL of ±1 LSB)
- Internal +2.5V reference
- Low power consumption: 2.5 mA at 300 kSPS
- 3-wire serial interface compatible with SPI/QSPI/MICROWIRE
- Pin-compatible, high-speed upgrade to MAX1243
- Small package size: 8-pin SOIC
- High-bandwidth track/hold and successive-approximation conversion
Applications
- Battery-Powered Applications
- Data Acquisition
- Medical Instruments
- Pen Digitizers
- Portable Data Logging
- Process Control
Q & A
- What is the resolution of the MAX1085BCSA+ ADC?
The MAX1085BCSA+ has a 10-bit resolution.
- What is the sampling rate of the MAX1085BCSA+?
The sampling rate is 300 kSPS.
- What is the supply voltage range for the MAX1085BCSA+?
The supply voltage range is from +2.7V to +3.6V.
- What type of interface does the MAX1085BCSA+ use?
The MAX1085BCSA+ uses a 3-wire serial interface compatible with SPI/QSPI/MICROWIRE.
- What is the typical power consumption of the MAX1085BCSA+ at 300 kSPS?
The typical power consumption is 2.5 mA at 300 kSPS.
- What is the operating temperature range of the MAX1085BCSA+?
The operating temperature range is from 0°C to 70°C.
- What package type is the MAX1085BCSA+ available in?
The MAX1085BCSA+ is available in an 8-pin SOIC package.
- Is the MAX1085BCSA+ pin-compatible with other ADCs?
Yes, it is pin-compatible with the MAX1243.
- What are some common applications for the MAX1085BCSA+?
Common applications include battery-powered devices, data acquisition, medical instruments, pen digitizers, portable data logging, and process control.
- What is the shutdown supply current of the MAX1085BCSA+?
The shutdown supply current is 2 μA.
