Overview
The MAX1174BCUP+ is a 14-bit, low-power, successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is designed for high-performance, battery-powered data-acquisition applications and is known for its excellent AC and DC performance. The MAX1174BCUP+ operates from a single +4.75V to +5.25V analog supply and features a separate digital supply input for direct interface with +2.7V to +5.25V digital logic.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 135 kS/s |
| Analog Input Voltage Range | ±5V (bipolar) |
| Analog Supply Voltage | +4.75V to +5.25V |
| Digital Supply Voltage | +2.7V to +5.25V |
| Integral Nonlinearity (INL) | ±1 LSB (max) |
| Differential Nonlinearity (DNL) | ±1 LSB (max) |
| Signal to Noise Ratio (SNR) | 85 dB |
| Operating Temperature Range | -40°C to +85°C (extended), 0°C to +70°C (commercial) |
| Package | 20-pin TSSOP |
| Power Dissipation | 26.5 mW (external reference), 31 mW (internal reference) at 135 kS/s |
| Reference Type | External, Internal (4.096V) |
Key Features
- Byte-wide parallel interface for high-speed data transfer
- Automatic power-down feature (AutoShutdown™) to reduce supply current
- Factory-trimmed internal clock and track-and-hold (T/H) stage
- Input scaler for converting true bipolar input voltages and input voltages greater than the power supply
- Low power consumption with high performance
- Excellent AC performance (THD = -100 dB) and DC accuracy
Applications
- Industrial process control
- Instrumentation
- Medical applications
- Data-acquisition systems
- Precision instrumentation
- Temperature sensing and monitoring
- I/O modules
Q & A
- What is the resolution of the MAX1174BCUP+ ADC?
The MAX1174BCUP+ has a resolution of 14 bits. - What is the sampling rate of the MAX1174BCUP+?
The sampling rate is 135 kS/s. - What is the analog input voltage range for the MAX1174BCUP+?
The analog input voltage range is ±5V (bipolar). - What are the operating supply voltage ranges for the MAX1174BCUP+?
The analog supply voltage range is +4.75V to +5.25V, and the digital supply voltage range is +2.7V to +5.25V. - What is the power dissipation of the MAX1174BCUP+ at 135 kS/s?
The power dissipation is 26.5 mW when using an external reference and 31 mW when using the internal reference. - What is the operating temperature range for the MAX1174BCUP+?
The operating temperature range is -40°C to +85°C (extended) and 0°C to +70°C (commercial). - What package type is the MAX1174BCUP+ available in?
The MAX1174BCUP+ is available in a 20-pin TSSOP package. - What are some key applications of the MAX1174BCUP+?
Key applications include industrial process control, instrumentation, medical applications, data-acquisition systems, precision instrumentation, temperature sensing and monitoring, and I/O modules. - Does the MAX1174BCUP+ have an automatic power-down feature?
Yes, the MAX1174BCUP+ features AutoShutdown™, which reduces supply current to 0.4 mA (typ) at 10 kS/s. - What is the signal to noise ratio (SNR) of the MAX1174BCUP+?
The signal to noise ratio (SNR) is 85 dB.
