MAX1207
12-Bit, 65Msps ADC
Part Details
- Excellent Dynamic Performance
- 68.5dB SNR at fIN = 32.5MHz
- 88.7dBc SFDR at fIN = 32.5MHz
- 3.3V Low-Power Operation
- 316mW (Single-Ended Clock Mode)
- 342mW (Differential Clock Mode)
- Differential or Single-Ended Clock
- Accepts 20% to 80% Clock Duty Cycle
- Fully Differential or Single-Ended Analog Input
- Adjustable Full-Scale Analog Input Range
- Common-Mode Reference
- Power-Down Mode
- CMOS-Compatible Outputs in Two's Complement or Gray Code
- Data-Valid Indicator Simplifies Digital Design
- Out-of-Range and Data-Valid Indicators
- Miniature, 40-Pin Thin QFN Package with Exposed Paddle
- Pin-Compatible, IF Sampling ADC Available (MAX1211ETL)
- Evaluation Kit Available (Order MAX1211EVKIT)
The MAX1207 is a 3.3V, 12-bit analog-to-digital converter (ADC) featuring a fully differential wideband track-andhold (T/H) input, driving the internal quantizer. The MAX1207 is optimized for low power, small size, and high dynamic performance. This ADC operates from a single 3.0V to 3.6V supply, consuming only 316mW, while delivering a typical signal-to-noise ratio (SNR) performance of 68.5dB at a 32.5MHz input frequency. The T/H-driven input stage accepts single-ended or differential inputs. In addition to low operating power, the MAX1207 features a 0.15mW power-down mode to conserve power during idle periods.
A flexible reference structure allows the MAX1207 to use its internal precision bandgap reference or accept an externally applied reference. A common-mode reference is provided to simplify design and reduce external component count in differential analog input circuits. The MAX1207 supports both a single-ended and differential input clock drive. Wide variations in the clock duty cycle are compensated with the ADC's internal duty-cycle equalizer.
The MAX1207 features parallel, CMOS-compatible outputs. The digital output format is pin selectable to be either two's complement or Gray code. A data-valid indicator eliminates external components that are normally required for reliable digital interfacing. A separate power input for the digital outputs accepts a voltage from 1.7V to 3.6V for flexible interfacing with various logic levels. The MAX1207 is available in a 6mm x 6mm x 0.8mm, 40- pin thin QFN package with exposed paddle (EP), and is specified for the extended industrial (-40°C to +85°C) temperature range.
Refer to the MAX1209 and MAX1211 (see Pin Compatible Higher/Lower Speed Versions table) for applications that require high dynamic performance for IF input frequencies.
Applications
- Cellular, LMDS, Point-to-Point Microwave, MMDS, HFC, WLAN
- Communication Receivers
- Low-Power Data Acquisition
- MMDS, HFC, WLAN
- Portable Instrumentation
- Ultrasound and Medical Imaging
Documentation
This is the most up-to-date revision of the Data Sheet.
Software Resources
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| Parts | Product Life Cycle | Description |
|---|---|---|
| Analog to Digital Converters 8 | ||
| MAX1211 | Obsolete | 12-Bit, 65Msps, IF Sampling ADC |
| MAX19538 | 12-Bit, 95Msps, 3.3V ADC | |
| MAX1208 | 12-Bit, 80Msps, 3.3V ADC | |
| MAX1209 | 12-Bit, 80Msps, 3.3V IF-Sampling ADC | |
| MAX12553 | Obsolete | 14-Bit, 65Msps, 3.3V ADC |
| MAX12554 | 14-Bit, 80Msps, 3.3V ADC | |
| MAX12555 | PRODUCTION | 14-Bit, 95Msps, 3.3V ADC |
| MAX1206 | 12-Bit, 40Msps ADC |
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