MAX19191

PRODUCTION

Ultra-Low-Power, 10Msps, 8-Bit ADC

Ultra-Low-Power ADC Ideal for Digital Audio Broadcast Receiver System

Data Sheet (Rev. 0) Product Selection Table

Part Models: 4
1ku List Price: Starting From $4.38

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Overview

Ultra-Low Power
- 15.3mW (Normal Operation: 10Msps)
- 2µW (Shutdown Mode)
Excellent Dynamic Performance
- 48.6dB SNR at f_IN = 1.875MHz
- 70dBc SFDR at f_IN = 1.875MHz
2.7V to 3.6V Single Analog Supply
1.8V to 3.6V TTL/CMOS-Compatible Digital Outputs
Fully Differential or Single-Ended Analog Inputs
Internal/External Reference Option
Multiplexed CMOS-Compatible Three-State Outputs
28-Pin Thin QFN Package
Evaluation Kit Available (Order MAX19191EVKIT+)

The MAX19191 is an ultra-low-power, 8-bit, 10Msps analog-to-digital converter (ADC). The device features a fully differential wideband track-and-hold (T/H) input. This input has a 440MHz bandwidth and accepts fully differential or single-ended signals. The MAX19191 delivers a typical signal-to-noise and distortion (SINAD) of 48.6dB at an input frequency of 1.875MHz and a sampling rate of 10Msps while consuming only 15.3mW. This ADC operates from a 2.7V to 3.6V analog power supply. A separate 1.8V to 3.6V supply powers the digital output driver. In addition to ultra-low operating power, the MAX19191 features three power-down modes to conserve power during idle periods. Excellent dynamic performance, ultra-low power, and small size make the MAX19191 ideal for applications in imaging, instrumentation, and digital communications.

An internal 1.024V precision bandgap reference sets the full-scale range of the ADC to ±0.512V. A flexible reference structure allows the MAX19191 to use its internal reference or accept an externally applied reference for applications requiring increased accuracy.

The MAX19191 features parallel, CMOS-compatible three-state outputs. The digital output format is offset binary. A separate digital power input accepts a voltage from 1.8V to 3.6V for flexible interfacing to different logic levels. The MAX19191 is available in a 5mm × 5mm, 28-pin thin QFN package, and is specified for the extended industrial (-40°C to +85°C) temperature range.

For higher sampling frequency applications, refer to the MAX1195–MAX1198 dual 8-bit ADCs. For a dual-channel, pin-compatible version, refer to the MAX19192 data sheet.

Applications

Battery-Powered Portable Instruments
Digital Audio Receiver Front-End
Low-Power Video
Ultrasound and Medical Imaging
WLAN, Mobile DSL, WLL Receiver

Part Models: 4
1ku List Price: Starting From $4.38

Documentation

Data Sheet 1

MAX19191: Ultra-Low-Power, 10Msps, 8-Bit ADC Data Sheet (Rev.0) 02/10/2010

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX19191ETI+	LFCSP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX19191ETI+T	LFCSP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX19191ETI/V+	LFCSP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX19191ETI/V+T	LFCSP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 13, 2017 - 1673 ASSEMBLY
		pcn_1673
MAX19191ETI/V+	PRODUCTION
MAX19191ETI/V+T	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Analog to Digital Converters (ADCs) 1
MAX19192	Obsolete	Ultra-Low-Power, 10Msps, Dual 8-Bit ADC

Evaluation Kits

Evaluation Kit for the MAX19191

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Features and Benefits

10Msps Maximum Sampling Rate
Single 3.3V to 6V Power-Supply Operation
Ultra-Low-Power Operation
Single-Ended or Fully Differential Input-Signal Configuration
AC- or DC-Coupled Input-Signal Configuration
Direct Interface with the Maxim DCEP Using the Samtec QSH Connector
Configurable Reference Voltage
On-Board Clock-Shaping Circuit
Fully Assembled and Tested

Product Details

The MAX19191 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains all the components necessary to evaluate the performance of the MAX19191 8-bit analog-to-digital converter (ADC). The device accepts AC- or DC-coupled, differential, or single-ended analog inputs. The digital output produced by the ADC can be easily captured with a user-supplied high-speed logic analyzer or the data converter evaluation platform (DCEP). The EV kit operates from a 3.3V to 6V supply and utilizes four LDO regulators to power the analog and digital power rails. The EV kit includes circuitry that generates a clock signal from an AC sinewave signal provided by the user.