Overview
The MAX1285BCSA+ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device combines a high-bandwidth track/hold (T/H) amplifier, a serial interface with high conversion speed, an internal +2.5V reference, and low power consumption. It operates from a single supply voltage of 2.7V to 3.6V, making it suitable for applications requiring low power and high performance.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Operating Supply Voltage | 2.7V to 3.6V |
| Conversion Rate | Up to 300 ksps |
| Interface | SPI, Serial |
| Max Operating Temperature | 70°C |
| Power Dissipation | Approx. 2.5 mW |
| Input Voltage Range | 0 to 2.5 V |
| Input Capacitance | 18 pF |
| Signal-to-Noise Plus Distortion Ratio (SINAD) | 70 dB |
| Total Harmonic Distortion (THD) | -80 dB |
| Full-Power Bandwidth | 6 MHz |
| Full-Linear Bandwidth | 350 kHz |
| Conversion Time | 2.5 µs |
| Track/Hold Acquisition Time | 468 ns |
Key Features
- High-bandwidth track/hold (T/H) amplifier
- Serial interface with high conversion speed (up to 4.8 MHz clock rate)
- Internal +2.5V reference
- Low power consumption
- Small package size (8-pin SO package)
- Pin-compatible with higher-speed versions
- Direct connection to SPI/QSPI/MICROWIRE devices without external logic
Applications
The MAX1285BCSA+ is ideal for remote-sensor and data-acquisition applications, as well as other circuits that have demanding power consumption and space requirements. It is suitable for use in various fields such as industrial automation, medical devices, and automotive systems where high accuracy and low power are critical.
Q & A
- What is the resolution of the MAX1285BCSA+ ADC?
The MAX1285BCSA+ has a resolution of 12 bits. - What is the operating supply voltage range for the MAX1285BCSA+?
The operating supply voltage range is 2.7V to 3.6V. - What is the maximum conversion rate of the MAX1285BCSA+?
The maximum conversion rate is up to 300 ksps. - What type of interface does the MAX1285BCSA+ use?
The MAX1285BCSA+ uses a serial interface, specifically SPI. - What is the maximum operating temperature for the MAX1285BCSA+?
The maximum operating temperature is 70°C. - How much power does the MAX1285BCSA+ typically dissipate?
The MAX1285BCSA+ typically dissipates approximately 2.5 mW of power. - What is the input voltage range for the MAX1285BCSA+?
The input voltage range is 0 to 2.5 V. - What is the full-power bandwidth of the MAX1285BCSA+?
The full-power bandwidth is 6 MHz. - How long does the conversion process take for the MAX1285BCSA+?
The conversion time is 2.5 µs. - Is the MAX1285BCSA+ suitable for remote-sensor applications?
Yes, the MAX1285BCSA+ is suitable for remote-sensor and data-acquisition applications due to its low power consumption and high performance.
