Overview
The MAX1446EHJ+T is a 10-bit, 60Msps (Mega Samples Per Second), 3.0V, low-power analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This ADC features a pipelined 10-stage architecture with digital error correction and a wideband track-and-hold (T/H) stage, incorporating a fully differential signal path. It is optimized for low-power, high dynamic performance applications in imaging and digital communications.
The device operates from a single 2.7V to 3.6V supply, consuming only 90mW while delivering a 59.5dB signal-to-noise ratio (SNR) at a 20MHz input frequency. It also includes a 5µA power-down mode for idle periods, enhancing its energy efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Sampling Rate | 60 Msps |
| Supply Voltage | 2.7V to 3.6V |
| Power Consumption | 90mW (Normal Operation), 5µA (Shutdown Mode) |
| Signal-to-Noise Ratio (SNR) | 59.5dB at fIN = 20MHz |
| Spurious-Free Dynamic Range (SFDR) | 73dBc at fIN = 20MHz |
| Analog Input Bandwidth | 400MHz, -3dB |
| Reference Voltage | On-Chip 2.048V Precision Bandgap Reference |
| Output Type | Parallel, Offset Binary, Three-State Outputs |
| Output Voltage Range | 1.7V to 3.3V |
| Package Type | 32-Pin TQFP |
| Operating Temperature Range | -40°C to +85°C (Industrial), -40°C to +105°C (Automotive) |
Key Features
- Single 3.0V Operation
- Excellent Dynamic Performance: 59.5dB SNR and 73dB SFDR at fIN = 20MHz
- Low Power: 30mA (Normal Operation), 5µA (Shutdown Mode)
- Fully Differential Analog Input with Wide 2Vp-p Differential Input Voltage Range
- 400MHz, -3dB Input Bandwidth
- On-Chip 2.048V Precision Bandgap Reference
- CMOS-Compatible Three-State Outputs
- 32-Pin TQFP Package
- Evaluation Kit Available (MAX1448 EV Kit)
Applications
- Baseband and IF Digitization
- CCD Imaging
- Digital Set-Top Boxes
- Ultrasound Imaging
- Video Digitizing Applications
Q & A
- What is the resolution and sampling rate of the MAX1446EHJ+T ADC?
The MAX1446EHJ+T is a 10-bit ADC with a sampling rate of 60 Msps.
- What is the operating voltage range of the MAX1446EHJ+T?
The device operates from a single 2.7V to 3.6V supply.
- What is the power consumption of the MAX1446EHJ+T in normal operation and shutdown mode?
The power consumption is 90mW in normal operation and 5µA in shutdown mode.
- What is the signal-to-noise ratio (SNR) of the MAX1446EHJ+T at a 20MHz input frequency?
The SNR is 59.5dB at fIN = 20MHz.
- What is the spurious-free dynamic range (SFDR) of the MAX1446EHJ+T at a 20MHz input frequency?
The SFDR is 73dBc at fIN = 20MHz.
- What is the analog input bandwidth of the MAX1446EHJ+T?
The analog input bandwidth is 400MHz, -3dB.
- Does the MAX1446EHJ+T have an internal reference voltage?
Yes, it has an on-chip 2.048V precision bandgap reference.
- What type of output does the MAX1446EHJ+T have?
The device has parallel, offset binary, three-state outputs.
- What is the operating temperature range of the MAX1446EHJ+T?
The operating temperature range is -40°C to +85°C (Industrial) and -40°C to +105°C (Automotive).
- Is an evaluation kit available for the MAX1446EHJ+T?
Yes, the MAX1448 EV Kit is available for evaluating the performance of the MAX1446EHJ+T.
- What are some common applications of the MAX1446EHJ+T?
Common applications include baseband and IF digitization, CCD imaging, digital set-top boxes, ultrasound imaging, and video digitizing applications.
