Overview
The MAX1185ECM+D, produced by Analog Devices Inc./Maxim Integrated, is a 3V, dual 10-bit analog-to-digital converter (ADC) designed for low-power, high dynamic performance applications. This ADC features fully-differential wideband track-and-hold (T/H) inputs driving two pipelined, nine-stage ADCs. It operates from a single 2.7V to 3.6V supply, consuming only 105mW while delivering a typical signal-to-noise ratio (SNR) of 59.5dB at an input frequency of 7.5MHz and a sampling rate of 20Msps. The device is optimized for applications in imaging, instrumentation, digital communication, and more.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10-bit |
| Sampling Rate | 20Msps |
| Supply Voltage | 2.7V to 3.6V |
| Power Consumption (Normal Operation) | 35mA |
| Power Consumption (Sleep Mode) | 2.8mA |
| Power Consumption (Shutdown Mode) | 1µA |
| Signal-to-Noise Ratio (SNR) at fIN = 7.5MHz | 59.5dB |
| Spurious-Free Dynamic Range (SFDR) at fIN = 7.5MHz | 74dB |
| Input Bandwidth | 400MHz (-3dB) |
| Analog Input Voltage Range | ±1Vp-p Differential |
| Output Format | Two's Complement or Offset Binary |
| Package | 48-Pin TQFP with Exposed Pad |
Key Features
- Single +3V Operation
- Excellent Dynamic Performance: 59.5dB SNR and 74dB SFDR at fIN = 7.5MHz
- Low Power: 35mA (Normal Operation), 2.8mA (Sleep Mode), and 1µA (Shutdown Mode)
- 0.02dB Gain and 0.25° Phase Matching
- Wide ±1Vp-p Differential Analog Input Voltage Range
- 400MHz (-3dB) Input Bandwidth
- On-Chip +2.048V Precision Bandgap Reference
- Single 10-Bit Bus for Multiplexed, Digital Outputs
- User-Selectable Output Format—Two's Complement or Offset Binary
- 48-Pin TQFP Package with Exposed Pad for Improved Thermal Dissipation
Applications
- High-Resolution Imaging
- I/Q Channel Digitization
- Instrumentation
- Multichannel IF Sampling
- Ultrasound
- Video Applications
Q & A
- What is the resolution and sampling rate of the MAX1185ECM+D?
The MAX1185ECM+D is a 10-bit ADC with a sampling rate of 20Msps.
- What is the operating voltage range of the MAX1185ECM+D?
The device operates from a single 2.7V to 3.6V supply.
- What are the power consumption modes of the MAX1185ECM+D?
The device has three power consumption modes: 35mA (Normal Operation), 2.8mA (Sleep Mode), and 1µA (Shutdown Mode).
- What is the signal-to-noise ratio (SNR) of the MAX1185ECM+D at 7.5MHz input frequency?
The SNR is 59.5dB at an input frequency of 7.5MHz.
- What is the input bandwidth of the MAX1185ECM+D?
The input bandwidth is 400MHz (-3dB).
- Can the MAX1185ECM+D operate with single-ended inputs?
- What is the output format of the MAX1185ECM+D?
The output format can be set to either two's complement or offset binary.
- What package type is the MAX1185ECM+D available in?
The device is available in a 48-Pin TQFP package with an exposed pad for improved thermal dissipation.
- What are some typical applications of the MAX1185ECM+D?
Typical applications include high-resolution imaging, I/Q channel digitization, instrumentation, multichannel IF sampling, ultrasound, and video applications.
- Does the MAX1185ECM+D have an internal reference voltage?
