Overview
The MAX1003CAX+ is a high-performance, dual 6-bit analog-to-digital converter (ADC) designed by Analog Devices Inc./Maxim Integrated. This component is optimized for high-speed, low-power applications and is particularly suited for converting in-phase (I) and quadrature (Q) analog signals into digital outputs. The MAX1003 features true differential inputs, an internal bandgap voltage reference, and an internal oscillator with overdrive capability, making it ideal for various communication and signal processing applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 6-bit |
| Sampling Rate | Up to 90 Msps per ADC |
| Analog Supply Voltage | +5V |
| Digital Supply Voltage | +3.3V |
| Power Dissipation | 350 mW |
| Effective Number of Bits (ENOB) | 5.85 (20 MHz), 5.7 (50 MHz) |
| Input Full-Scale Range | 125 mVp-p, 250 mVp-p, or 500 mVp-p (user-selectable) |
| Analog Bandwidth | 55 MHz (-0.5 dB) |
| Package Type | 36-pin SSOP |
| Operating Temperature | 0°C to 70°C |
Key Features
- Two matched 6-bit ADCs for converting I and Q signals
- High sampling rate of up to 90 Msps per ADC
- Low power dissipation of 350 mW
- Excellent dynamic performance with ENOB of 5.85 at 20 MHz and 5.7 at 50 MHz
- Internal bandgap voltage reference and internal oscillator with overdrive capability
- User-selectable input full-scale ranges of 125 mVp-p, 250 mVp-p, or 500 mVp-p
- True differential inputs with a -0.5 dB analog bandwidth of 55 MHz
- Single-ended or differential input drive capability
- Flexible, 3.3V CMOS-compatible digital outputs
Applications
- Direct-Broadcast Satellite (DBS) Receivers
- VSAT Receivers
- Cable Television Set-Top Boxes
- Wide Local Area Networks (WLANs)
- QAM16 Demodulation
Q & A
- What is the resolution of the MAX1003CAX+ ADC?
The MAX1003CAX+ has a resolution of 6 bits.
- What is the maximum sampling rate of the MAX1003CAX+?
The maximum sampling rate is up to 90 Msps per ADC.
- What are the supply voltages for the MAX1003CAX+?
The analog supply voltage is +5V, and the digital supply voltage is +3.3V.
- What is the power dissipation of the MAX1003CAX+?
The power dissipation is 350 mW.
- What are the user-selectable input full-scale ranges for the MAX1003CAX+?
The user-selectable input full-scale ranges are 125 mVp-p, 250 mVp-p, or 500 mVp-p.
- What is the analog bandwidth of the MAX1003CAX+ input amplifiers?
The analog bandwidth is 55 MHz (-0.5 dB).
- What type of package does the MAX1003CAX+ come in?
The MAX1003CAX+ comes in a 36-pin SSOP package.
- What is the operating temperature range for the MAX1003CAX+?
The operating temperature range is from 0°C to 70°C.
- What are some typical applications for the MAX1003CAX+?
Typical applications include DBS receivers, VSAT receivers, cable television set-top boxes, and WLANs.
- Does the MAX1003CAX+ have internal oscillator and reference capabilities?
Yes, the MAX1003CAX+ has an internal oscillator with overdrive capability and an internal bandgap voltage reference.
