Overview
The MAX1185ECM/V+T, produced by Analog Devices Inc./Maxim Integrated, is a high-performance, dual 10-bit analog-to-digital converter (ADC) designed for applications requiring low power consumption and high dynamic performance. This device operates from a single 2.7V to 3.6V supply, consuming 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. It features fully-differential wideband track-and-hold (T/H) inputs and integrated 400MHz (-3dB) input amplifiers, making it ideal for imaging, instrumentation, and digital communication 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 |
| DNL - Differential Nonlinearity | +/- 1 LSB | INL - Integral Nonlinearity | +/- 1.5 LSB |
| Operating Supply Voltage | 2.7 V to 3.6 V | Reference Type | External, Internal |
| Reference Voltage | 2.048 V | Package/Case | 48-Pin TQFP |
Key Features
- Fast Response Time: Achieved through its pipelined architecture and high-speed input amplifiers.
- High Sensitivity and Accuracy: Offers a high SNR of 59.5dB and low differential nonlinearity and integral nonlinearity.
- Robust Digital Processing Core: Features user-selectable output format—Two’s Complement or Offset Binary.
- Low Power Consumption: Operates in normal mode at 35mA, sleep mode at 2.8mA, and shutdown mode at 1µA.
- Wide Input Bandwidth: Includes 400MHz (-3dB) input amplifiers integrated into the T/H driven input stages.
- Precision Reference: On-chip 2.048V precision bandgap reference.
Applications
- High-Resolution Imaging: Ideal for applications requiring high dynamic performance and low power consumption.
- Digital I/Q Channel Digitization: Suitable for digital communication systems.
- Multichannel IF Sampling: Used in various instrumentation and communication systems.
- Instrumentation: Applies to video and ultrasound applications.
Q & A
- What is the resolution of the MAX1185ECM/V+T ADC?
The MAX1185ECM/V+T has a resolution of 10 bits.
- What is the sampling rate of the MAX1185ECM/V+T?
The sampling rate is 20 MS/s.
- What is the operating supply voltage range of the MAX1185ECM/V+T?
The operating supply voltage range is from 2.7V to 3.6V.
- What is the signal-to-noise ratio (SNR) of the MAX1185ECM/V+T at an input frequency of 7.5MHz?
The SNR is 59.5dB at an input frequency of 7.5MHz.
- Does the MAX1185ECM/V+T support both differential and single-ended inputs?
- What are the power consumption modes of the MAX1185ECM/V+T?
The device operates in normal mode at 35mA, sleep mode at 2.8mA, and shutdown mode at 1µA.
- What is the package type of the MAX1185ECM/V+T?
The package type is a 48-Pin TQFP.
- What is the input bandwidth of the MAX1185ECM/V+T?
The input bandwidth is 400MHz (-3dB).
- Does the MAX1185ECM/V+T have an on-chip reference voltage?
- What are some typical applications of the MAX1185ECM/V+T?
Typical applications include high-resolution imaging, digital I/Q channel digitization, multichannel IF sampling, and instrumentation.
