Overview
The MAX1185ECM+TD, produced by Analog Devices Inc./Maxim Integrated, is a high-performance, low-power analog-to-digital converter (ADC) designed for applications requiring superior dynamic performance. This 3V device features dual 10-bit ADCs with fully-differential wideband track-and-hold inputs, making it ideal for imaging, instrumentation, and digital communication domains. Operating within a narrow voltage range of 2.7V to 3.6V, it 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 MAX1185ECM+TD also includes power-saving modes such as a 2.8mA sleep mode and a 1µA power-down mode, ensuring efficient energy utilization.
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 |
| Operating Supply Voltage | 2.7 V to 3.6 V | Power Dissipation | 105mW |
| Reference Type | External, Internal | Reference Voltage | 2.048 V |
| Package/Case | TQFP-48 | Height | 1 mm |
| Length | 7 mm | Width | 7 mm |
Key Features
- Fast Response Time Achieved: The MAX1185ECM+TD features fast response times, making it suitable for high-speed applications.
- High Sensitivity and Accuracy: With a high SNR of 59.5dB and low differential nonlinearity (DNL) and integral nonlinearity (INL), this ADC ensures high sensitivity and accuracy.
- Robust Digital Processing Core: The device includes a robust digital processing core with user-selectable output formats (Two’s Complement or Offset Binary).
- Low Power Consumption: It operates with low power consumption, including a 2.8mA sleep mode and a 1µA power-down mode.
- Wide Input Bandwidth: The T/H driven input stages incorporate 400MHz (-3dB) input amplifiers, allowing for wide input bandwidth.
- Precision Bandgap Reference: The device includes an on-chip 2.048V precision bandgap reference.
Applications
- High-Resolution Imaging: Suitable for high-resolution imaging applications due to its high dynamic performance.
- Digital I/Q Channel Digitization: Ideal for digitizing I/Q channels in digital communication systems.
- Instrumentation: Used in various instrumentation applications requiring high accuracy and sensitivity.
- Video Applications: Applicable in video processing and other high-speed video applications.
- Ultrasound: Suitable for ultrasound imaging due to its high SNR and low power consumption.
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 voltage range of the MAX1185ECM+TD?
The operating voltage range is from 2.7V to 3.6V.
- What is the power consumption of the MAX1185ECM+TD in normal operation?
The power consumption is 105mW in normal operation.
- Does the MAX1185ECM+TD support single-ended inputs?
- What is the signal-to-noise ratio (SNR) of the MAX1185ECM+TD at an input frequency of 7.5MHz?
The SNR is 59.5dB at an input frequency of 7.5MHz.
- What are the power-saving modes available in the MAX1185ECM+TD?
The device features a 2.8mA sleep mode and a 1µA power-down mode.
- What is the input bandwidth of the MAX1185ECM+TD?
The input bandwidth is 400MHz (-3dB).
- What type of package does the MAX1185ECM+TD come in?
The device comes in a 48-pin TQFP package with an exposed pad for improved thermal dissipation.
- What are some common applications of the MAX1185ECM+TD?
