Overview
The MAX1321ECM+ is a high-performance, low-power Analog-to-Digital Converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is housed in a 48-pin LQFP package and is designed for high-speed, low-power applications. It features a 14-bit resolution and supports various sample rates, making it suitable for precise digital conversions in data acquisition systems, sensor interfaces, and other industrial applications.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Status | Obsolete | Number of Bits | 14 |
| Sampling Rate (Per Second) | 357k | Number of Inputs | 4 |
| Input Type | Single Ended | Data Interface | Parallel |
| Configuration | S/H-MUX-ADC | Ratio - S/H:ADC | 4:1 |
| Number of A/D Converters | 1 | Architecture | SAR |
| Reference Type | External, Internal | Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V | Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Package/Case | 48-LQFP |
Key Features
- High resolution: 14-bit ADC with ±1.5 LSB INL, ±1 LSB DNL, and no missing codes.
- Simultaneous sampling: On-chip track/hold (T/H) circuit for each channel with 10ns aperture delay and 50ps channel-to-channel T/H matching.
- Fast conversion time: One channel in 1.6µs, two channels in 1.9µs, four channels in 2.5µs, and eight channels in 3.7µs.
- High throughput: 526ksps/ch for one channel, 455ksps/ch for two channels, 357ksps/ch for four channels, and 250ksps/ch for eight channels.
- Flexible input ranges: ±5V input range with ±16.5V fault-tolerant inputs.
- No calibration needed: Internal or external clock and reference options.
- Power-saving modes: Shutdown and power-saving modes to reduce power consumption.
- Environmental compliance: Adheres to the RoHS directive for reduced environmental impact.
Applications
The MAX1321ECM+ is designed for various high-speed, low-power applications, including:
- Automotive systems: For precise data acquisition and sensor interfaces.
- Industrial automation: For high-speed data conversion in industrial control systems.
- Portable electronics: For efficient data conversion in battery-powered devices.
Q & A
- What is the resolution of the MAX1321ECM+ ADC?
The MAX1321ECM+ has a 14-bit resolution.
- How many input channels does the MAX1321ECM+ support?
The MAX1321ECM+ supports four independent input channels.
- What is the sampling rate of the MAX1321ECM+ for four channels?
The sampling rate for four channels is 357ksps per channel.
- What is the input voltage range for the MAX1321ECM+?
The input voltage range is ±5V with ±16.5V fault-tolerant inputs.
- Does the MAX1321ECM+ require calibration?
No, the MAX1321ECM+ does not require calibration.
- What is the package type of the MAX1321ECM+?
The MAX1321ECM+ is housed in a 48-pin LQFP package.
- What are the operating temperature ranges for the MAX1321ECM+?
The operating temperature range is -40°C to 85°C.
- Is the MAX1321ECM+ RoHS compliant?
- What are the power supply requirements for the MAX1321ECM+?
The device requires a 5V analog supply and a 2.7V to 5.25V digital supply.
- Does the MAX1321ECM+ have power-saving modes?
