Overview
The MAX1147BCUP+ is a multichannel, true-differential, serial, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This ADC is housed in a 20-pin TSSOP package and features an internal track/hold (T/H), voltage reference, and clock. It is designed for low-power applications and offers high precision and flexibility in various configurations.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Number of Channels | 4 single-ended or 2 differential channels |
| Sampling Rate | 116 kSPS |
| Operating Voltage | 2.7V to 3.6V |
| Package Type | 20-pin TSSOP |
| Interface Type | 4-wire SPI/QSPI/MICROWIRE |
| Integral Non-Linearity (INL) | ±0.7 LSB |
| Differential Non-Linearity (DNL) | ±0.5 LSB |
| Offset Error | ±10 LSB |
| Gain Error | ±20 LSB |
| Offset Temperature Coefficient | 0.3 ppm/°C |
| Full-Power Bandwidth | 2 MHz |
| Signal to Noise plus Distortion (SINAD) | 81 dB |
| Total Harmonic Distortion (THD) | -96 dBc |
| Spurious-Free Dynamic Range (SFDR) | 98 dBc |
| Operating Temperature Range | -40°C to 70°C |
Key Features
- Internal track/hold (T/H), voltage reference, and clock.
- Software configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- Low power consumption: 1.1 mA (116 kSPS), 120 µA (10 kSPS), 12 µA (1 kSPS), and 300 nA (power-down mode).
- 4-wire serial interface compatible with SPI/QSPI/MICROWIRE devices without external logic.
- Serial strobe output (SSTRB) for convenient connection to digital signal processors.
- Hardware shutdown and two software power-down modes with quick turn-on time.
Applications
- Portable data logging.
- Data acquisition systems.
- Medical instruments.
- Process control systems.
- Signal processing and automation.
Q & A
- What is the resolution of the MAX1147BCUP+ ADC?
The MAX1147BCUP+ has a resolution of 14 bits.
- How many channels does the MAX1147BCUP+ support?
The MAX1147BCUP+ supports 4 single-ended or 2 differential channels.
- What is the sampling rate of the MAX1147BCUP+?
The sampling rate is up to 116 kSPS.
- What is the operating voltage range of the MAX1147BCUP+?
The operating voltage range is from 2.7V to 3.6V.
- What type of interface does the MAX1147BCUP+ use?
The MAX1147BCUP+ uses a 4-wire SPI/QSPI/MICROWIRE interface.
- What are the power-down modes available in the MAX1147BCUP+?
The MAX1147BCUP+ has hardware shutdown and two software power-down modes.
- How does the MAX1147BCUP+ manage power consumption during power-down?
The device can be powered down between conversions, reducing supply current to under 120 µA for quick turn-on.
- What are the typical applications of the MAX1147BCUP+?
Typical applications include portable data logging, data acquisition, medical instruments, and process control.
- What is the operating temperature range of the MAX1147BCUP+?
The operating temperature range is from -40°C to 70°C.
- Does the MAX1147BCUP+ support external voltage references?
