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Features
- ±1/4LSB INL and DNL, Typical
- 1/4LSB (typ) Channel-to-Channel Offset Matching
- 0.1dB Gain and 0.5° Phase Matching, Typical
- Internal Bandgap Voltage Reference
- Two Matched 6-Bit, 60Msps ADCs
- Excellent Dynamic Performance:
- 5.85 ENOB with 20MHz Analog Input
- 5.7 ENOB with 50MHz Analog Input
- Internal Oscillator with Overdrive Capability
- 55MHz (-0.5dB) Bandwidth Input Amplifiers with True Differential Inputs
- User-Selectable Input Full-Scale Range (125mVp-p, 250mVp-p, or 500mVp-p)
- Single-Ended or Differential Input Drive
- +5V Single Supply
- TTL Outputs
- 90Msps Upgrade with +3.3V CMOS-Compatible Output Available (MAX1003)
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The MAX1002 is a dual, 6-bit analog-to-digital converter (ADC) that combines high-speed, low-power operation with a user-selectable input range, an internal reference, and a clock oscillator. The dual, parallel ADCs are designed to convert in-phase (I) and quadrature (Q) analog signals into two 6-bit offset-binary-coded digital outputs at sampling rates up to 60Msps while achieving typical integral nonlinearity (INL) and differential nonlinearity (DNL) of ±1/4LSB. The ability to interface directly with baseband I and Q signals makes the MAX1002 ideal for use in direct-broadcast satellite, VSAT, and QAM16 demodulation applications.
The MAX1002 input amplifiers feature true differential inputs, a 55MHz -0.5dB analog bandwidth, and user-programmable input full-scale ranges of 125mVp-p, 250mVp-p, or 500mVp-p. With an AC-coupled input signal, matching performance between input channels is typically 0.1dB gain, 1/4LSB offset, and 0.5° phase. Dynamic performance is 5.85 effective number of bits (ENOB) with a 20MHz analog input signal, or 5.78 ENOB with a 50MHz input signal.
The MAX1002 operates with a single +5V power supply and provides TTL-compatible digital outputs. The device is available in the commercial temperature range (0°C to +70°C) and comes in a 36-pin SSOP package.
Applications
- Cable Television Set-Top Boxes
- Direct-Broadcast Satellite (DBS) Receiver
- VSAT Receivers
- Wide Local Area Networks (WLANs)
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MAX1002
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Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
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Standard High Speed A/D Converters1 |
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PRODUCTION |
Low-Power, 90Msps, Dual 6-Bit ADC |
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Evaluation Kits 2
MAX1002EVKIT
Evaluation Kit for the MAX1002 and MAX1003
Features and Benefits
- 5.85 Effective Number of Bits at 20MHz Analog Input Frequency
- Separate Analog and Digital Power and Ground Connections with Optimized PC Board Layout
- Matched Single-Ended or Differential Analog Inputs for Both I and Q Channels
- Square-Pin Header for Easy Connection of Logic Analyzer to Digital Outputs
- User-Selectable ADC Full-Scale Gain Ranges
- Fully Assembled and Tested
Product Detail
The MAX1002/MAX1003 evaluation kits (EV kits) simplify evaluation of the 60Msps MAX1002 and 90Msps MAX1003 dual, 6-bit analog-to-digital converters (ADCs). The kits include the basic components necessary to operate the on-chip oscillator as a voltage-controlled oscillator (VCO). Each board can also be easily modified to accommodate an external clocking source.
Connectors for power supplies, analog inputs, and digital outputs simplify connections to the device. The PC board features an optimized layout to ensure the best possible dynamic performance. The EV kits include a MAX1002 or MAX1003.
MAX1003EVKIT
Evaluation Kit for the MAX1002 and MAX1003
Features and Benefits
- 5.85 Effective Number of Bits at 20MHz Analog Input Frequency
- Separate Analog and Digital Power and Ground Connections with Optimized PC Board Layout
- Matched Single-Ended or Differential Analog Inputs for Both I and Q Channels
- Square-Pin Header for Easy Connection of Logic Analyzer to Digital Outputs
- User-Selectable ADC Full-Scale Gain Ranges
- Fully Assembled and Tested
Product Detail
The MAX1002/MAX1003 evaluation kits (EV kits) simplify evaluation of the 60Msps MAX1002 and 90Msps MAX1003 dual, 6-bit analog-to-digital converters (ADCs). The kits include the basic components necessary to operate the on-chip oscillator as a voltage-controlled oscillator (VCO). Each board can also be easily modified to accommodate an external clocking source.
Connectors for power supplies, analog inputs, and digital outputs simplify connections to the device. The PC board features an optimized layout to ensure the best possible dynamic performance. The EV kits include a MAX1002 or MAX1003.