Overview
The MAX189CEWE+ is a 12-bit, low-power, serial analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MAX189 series, known for its high performance, low power consumption, and compact design. The MAX189CEWE+ features an 8.5Fs successive-approximation ADC, a fast track/hold circuit, and an on-chip clock, making it suitable for a variety of applications where power and space are critical.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 12 Bits | |||
| Integral Nonlinearity (INL) | ±2 | LSB | ||
| Operating Supply Voltage | 4.75 | 5.25 | V | |
| Supply Current (Operating) | 1.0 | 2.0 | mA | |
| Supply Current (Power-down) | 2 | 10 | µA | |
| Conversion Time | 5.5 | 8.5 | Fs | |
| Track/Hold Acquisition Time | 1.5 | Fs | ||
| Throughput Rate | 75 ksps | |||
| Operating Temperature | -40 | 85 | °C | |
| Package Type | 16-SOIC | |||
Key Features
- 12-bit resolution with ±2 LSB integral nonlinearity (INL)
- Low power consumption: 7.5mW in operating mode and 10µA in power-down mode
- Fast track/hold circuit with 1.5Fs acquisition time
- On-chip clock and high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- Single +5V operation with a supply voltage range of 4.75V to 5.25V
- Compact 16-SOIC package
- Excellent AC characteristics, including 70 dB SINAD and -80 dB THD
Applications
The MAX189CEWE+ is ideal for applications where power consumption and space are critical, such as:
- Remote DSP and sensor applications
- Circuits requiring low power and compact design
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Automotive and aerospace applications
Q & A
- What is the resolution of the MAX189CEWE+ ADC?
The MAX189CEWE+ has a 12-bit resolution.
- What is the typical power consumption of the MAX189CEWE+ in operating mode?
The typical power consumption is 7.5mW in operating mode.
- What is the track/hold acquisition time of the MAX189CEWE+?
The track/hold acquisition time is 1.5Fs.
- What serial interfaces is the MAX189CEWE+ compatible with?
The MAX189CEWE+ is compatible with SPI, QSPI, and MICROWIRE interfaces.
- What is the operating temperature range of the MAX189CEWE+?
The operating temperature range is -40°C to 85°C.
- What is the package type of the MAX189CEWE+?
The MAX189CEWE+ comes in a 16-SOIC package.
- How does the MAX189CEWE+ manage power in power-down mode?
In power-down mode, the supply current reduces to 10µA.
- What are the key AC characteristics of the MAX189CEWE+?
The MAX189CEWE+ has excellent AC characteristics, including 70 dB SINAD and -80 dB THD.
- Is the MAX189CEWE+ suitable for remote DSP and sensor applications?
Yes, it is ideal for remote DSP and sensor applications due to its low power consumption and compact design.
- What is the supply voltage range for the MAX189CEWE+?
The supply voltage range is 4.75V to 5.25V.
