Overview
The MAX1185ECM+TD is a high-performance, dual 10-bit analog-to-digital converter (ADC) designed by Analog Devices Inc./Maxim Integrated. This device is optimized for low-power, high dynamic performance applications, particularly in imaging, instrumentation, and digital communication domains. Operating from a single 2.7V to 3.6V supply, the MAX1185ECM+TD consumes only 105mW of power while delivering a remarkable signal-to-noise ratio (SNR) of 59.5dB at an input frequency of 7.5MHz and a sampling rate of 20Msps. The device features fully-differential wideband track-and-hold (T/H) inputs and integrated 400MHz (-3dB) input amplifiers, making it a reliable choice for diverse high-end applications.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Series | MAX1185 |
| Mounting Style | SMD/SMT | Resolution | 10 bit |
| Number of Channels | 2 Channel | Interface Type | Parallel |
| Sampling Rate | 20 MS/s | Input Type | Differential |
| Architecture | Pipeline | SNR - Signal to Noise Ratio | 59.5 dB |
| Minimum Operating Temperature | -40°C | Maximum Operating Temperature | +85°C |
| Brand | Analog Devices / Maxim Integrated | DNL - Differential Nonlinearity | +/- 1 LSB |
| Height | 1 mm | INL - Integral Nonlinearity | +/- 1.5 LSB |
| Length | 7 mm | Moisture Sensitive | Yes |
| Number of Converters | 2 Converter | Operating Supply Voltage | 2.7 V to 3.6 V |
| Package/Case | TQFP-48 |
Key Features
- Single +3V Operation: The device operates from a single 2.7V to 3.6V supply, making it versatile for various applications.
- Excellent Dynamic Performance: Achieves a SNR of 59.5dB at an input frequency of 7.5MHz and a sampling rate of 20Msps.
- Low Power Consumption: Consumes only 105mW in normal operation, with sleep and power-down modes of 2.8mA and 1µA, respectively.
- Fully-Differential Wideband Track-and-Hold Inputs: Includes integrated 400MHz (-3dB) input amplifiers.
- Parallel, Multiplexed, CMOS-Compatible Outputs: Digital output format can be set to two's complement or straight offset binary.
- Internal Precision Bandgap Reference: A 2.048V precision bandgap reference with the option to use an external reference.
- Flexible Interfacing: Separate output power supply of 1.7V to 3.6V for flexible interfacing.
Applications
- Imaging: High-resolution imaging applications benefit from the device's high dynamic performance and low power consumption.
- Instrumentation: Suitable for precision instrumentation due to its high accuracy and sensitivity.
- Digital Communication: Ideal for digital communication applications requiring high-speed and low-power ADCs.
- Digital I/Q Channels: Used in applications involving digital in-phase and quadrature channels.
Q & A
- What is the resolution of the MAX1185ECM+TD ADC?
The MAX1185ECM+TD has a resolution of 10 bits.
- What is the sampling rate of the MAX1185ECM+TD?
The sampling rate is 20 MS/s.
- What is the operating supply voltage range of the MAX1185ECM+TD?
The device operates from a single 2.7V to 3.6V supply.
- What is the power consumption of the MAX1185ECM+TD in normal operation?
The device consumes 105mW in normal operation.
- Does the MAX1185ECM+TD support sleep and power-down modes?
Yes, it supports a 2.8mA sleep mode and a 1µA power-down mode.
- What type of input does the MAX1185ECM+TD support?
The device supports both differential and single-ended analog inputs.
- What is the signal-to-noise ratio (SNR) of the MAX1185ECM+TD?
The SNR is 59.5dB at an input frequency of 7.5MHz and a sampling rate of 20Msps.
- What is the package type of the MAX1185ECM+TD?
The device is available in a 48-pin TQFP package.
- What is the temperature range for the MAX1185ECM+TD?
The device is specified for the extended industrial temperature range of -40°C to +85°C.
- Can the digital output format of the MAX1185ECM+TD be configured?
Yes, the digital output format can be set to two's complement or straight offset binary through a single control pin.
