Overview
The MAX1444EHJ/V+T is a 10-bit, 40Msps (Mega Samples Per Second), low-power analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This ADC features a pipelined 10-stage architecture with fully differential wideband track-and-hold (T/H) input and digital error correction, incorporating a fully differential signal path. It is optimized for low-power, high dynamic performance applications in imaging and digital communications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution (Bits) | 10-bit |
| Sampling Rate | 40 Msps |
| Input Channel Type | Differential, Single Ended |
| Supply Voltage Type | Single |
| Supply Voltage Min | 2.7V |
| Supply Voltage Max | 3.6V |
| No. of Pins | 32 Pins |
| ADC / DAC Case Style | TQFP |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Input Bandwidth | 400 MHz (-3dB) |
| Signal-to-Noise Ratio (SNR) | 59.5 dB at 20 MHz input frequency |
| Spurious-Free Dynamic Range (SFDR) | 74 dBc at 20 MHz input frequency |
| Power Consumption (Normal Operation) | 57 mW |
| Power Consumption (Shutdown Mode) | 5 µA |
Key Features
- Single 3.0V operation
- Excellent dynamic performance with 59.5 dB SNR and 74 dBc SFDR at 20 MHz input frequency
- Low power consumption: 57 mW in normal operation and 5 µA in shutdown mode
- Fully differential analog input with a wide 2Vp-p differential input voltage range
- 400 MHz -3dB input bandwidth
- On-chip 2.048V precision bandgap reference
- CMOS-compatible three-state outputs that can be operated from 1.7V to 3.6V
- Available in a 5x5mm 32-pin TQFP package
- Specified over the extended industrial temperature range (-40°C to +85°C)
Applications
- Ultrasound Imaging
- CCD Imaging
- Baseband and IF Digitization
- Digital Set-Top Boxes
- Video Digitizing Applications
Q & A
- What is the resolution of the MAX1444 ADC?
The MAX1444 ADC has a resolution of 10 bits.
- What is the sampling rate of the MAX1444 ADC?
The MAX1444 ADC has a sampling rate of 40 Msps.
- What are the input channel types supported by the MAX1444 ADC?
The MAX1444 ADC supports both differential and single-ended input channels.
- What is the supply voltage range for the MAX1444 ADC?
The MAX1444 ADC operates from a single supply voltage ranging from 2.7V to 3.6V.
- What is the power consumption of the MAX1444 ADC in normal operation and shutdown mode?
In normal operation, the MAX1444 ADC consumes 57 mW, and in shutdown mode, it consumes 5 µA.
- What is the input bandwidth of the MAX1444 ADC?
The MAX1444 ADC has an input bandwidth of 400 MHz (-3dB).
- What is the signal-to-noise ratio (SNR) of the MAX1444 ADC at a 20 MHz input frequency?
The SNR of the MAX1444 ADC is 59.5 dB at a 20 MHz input frequency.
- What is the spurious-free dynamic range (SFDR) of the MAX1444 ADC at a 20 MHz input frequency?
The SFDR of the MAX1444 ADC is 74 dBc at a 20 MHz input frequency.
- What type of package is the MAX1444 ADC available in?
The MAX1444 ADC is available in a 5x5mm 32-pin TQFP package.
- What is the operating temperature range of the MAX1444 ADC?
The MAX1444 ADC is specified over the extended industrial temperature range of -40°C to +85°C.
