Overview
The MAX1416EUE+T is a 16-bit, low-power, 2-channel, sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1415/MAX1416 series, which are pin-compatible upgrades to the MX7705/AD7705. The MAX1416 features an internal oscillator with options for 1MHz or 2.4576MHz, an on-chip input buffer, and a programmable gain amplifier (PGA). It offers an SPI-/QSPI-/MICROWIRE-compatible serial interface, making it versatile for various applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | - | - | - | 16-bit | - | - |
| Internal Oscillator Frequency | fCLK | CLK = 0 (1MHz), CLK = 1 (2.4576MHz) | - | 1MHz / 2.4576MHz | - | Hz |
| Differential Input Range (REF+ and REF-) | VREF | Note 9 | 1 | - | 3.5 | V |
| Input High Voltage (DIN, SCLK, CS, RESET) | VIH | - | - | 2 | - | V |
| Input Low Voltage (DIN, SCLK, CS, RESET) | VIL | - | - | 0.8 | - | V |
| Input Hysteresis (DIN, CS, RESET) | VHYST | - | - | 250mV | - | mV |
| Output-Voltage Low (DOUT and DRDY) | VOL | ISINK = 800µA | - | 0.4 | - | V |
| Package Type | - | - | - | 16-TSSOP | - | - |
Key Features
- 16-bit resolution with no missing codes using a sigma-delta modulator and digital filter.
- Internal oscillator options: 1MHz or 2.4576MHz.
- On-chip input buffer and programmable gain amplifier (PGA).
- SPI-/QSPI-/MICROWIRE-compatible serial interface.
- Low power consumption.
- Available in 16-pin PDIP, SO, and TSSOP packages.
Applications
- Industrial Instruments
- Weigh Scales
- Strain-Gauge Measurements
- Loop-Powered Systems
- Flow and Gas Meters
- Medical Instrumentation
- Pressure Transducers
- Thermocouple Measurements
- RTD Measurements
Q & A
- What is the resolution of the MAX1416EUE+T ADC?
The MAX1416EUE+T has a 16-bit resolution with no missing codes. - What are the internal oscillator frequency options for the MAX1416EUE+T?
The internal oscillator frequency options are 1MHz and 2.4576MHz. - What types of packages are available for the MAX1416EUE+T?
The MAX1416EUE+T is available in 16-pin PDIP, SO, and TSSOP packages. - What kind of serial interface does the MAX1416EUE+T support?
The MAX1416EUE+T supports SPI-/QSPI-/MICROWIRE-compatible serial interfaces. - What are some common applications of the MAX1416EUE+T?
Common applications include industrial instruments, weigh scales, strain-gauge measurements, loop-powered systems, flow and gas meters, medical instrumentation, pressure transducers, thermocouple measurements, and RTD measurements. - Does the MAX1416EUE+T have an on-chip input buffer and PGA?
Yes, the MAX1416EUE+T features an on-chip input buffer and a programmable gain amplifier (PGA). - What is the typical conversion time variation for the MAX1416EUE+T?
The typical conversion time variation is ±0.5% for CLK = 0 (1MHz) and INTCLK = 1. - What is the input high voltage for the digital inputs (DIN, SCLK, CS, RESET)?
The input high voltage for the digital inputs is 2V. - What is the output-voltage low for DOUT and DRDY when ISINK = 800µA?
The output-voltage low for DOUT and DRDY is 0.4V when ISINK = 800µA. - Is the MAX1416EUE+T suitable for low-power applications?
Yes, the MAX1416EUE+T is designed for low-power consumption.
