MAXIM MAX19506 Dual-Channel, 8-Bit, 100Msps ADC Owner's Manual & User Guide

19-4312; Rev 1; 9/10

EVALUATION KIT AVAILABLE

Dual-Channel, 8-Bit, 100Msps ADC

General Description Features

The MAX19506 dual-channel, analog-to-digital converter

Very-Low-Power Operation (57m W/Channel at

(ADC) provides 8-bit resolution and a maximum sample

100Msps)

rate of 100Msps.

1.8V or 2.5V to 3.3V Analog Supply

The MAX19506 analog input accepts a wide 0.4V to

1.4V input common-mode voltage range, allowing DC- Excellent Dynamic Performance

coupled inputs for a wide range of RF, IF, and base- 49.8d BFS SNR at 70MHz band front-end components. The MAX19506 provides 69d Bc SFDR at 70MHz excellent dynamic performance from baseband to high

User-Programmable Adjustments and Feature

input frequencies beyond 400MHz, making the device

Selection through an SPI™ Interface

ideal for zero-intermediate frequency (ZIF) and high- intermediate frequency (IF) sampling applications. The Selectable Data Bus (Dual CMOS or Single typical signal-to-noise ratio (SNR) performance is Multiplexed CMOS) 49.8d BFS and typical spurious-free dynamic range

DCLK Output and Programmable Data Output

(SFDR) is 69d Bc at f IN = 70MHz and f CLK = 100MHz.

Timing Simplifies High-Speed Digital Interface

The MAX19506 operates from a 1.8V supply.

Additionally, an integrated, self-sensing voltage regula- Very Wide Input Common-Mode Voltage Range tor allows operation from a 2.5V to 3.3V supply (AVDD). (0.4V to 1.4V)

The digital output drivers operate on an independent

Very High Analog Input Bandwidth (> 850MHz)

supply voltage (OVDD) over the 1.8V to 3.5V range.

The analog power consumption is only 57m W per chan- Single-Ended or Differential Analog Inputs

nel at VAVDD = 1.8V. In addition to low operating

Single-Ended or Differential Clock Input

power, the MAX19506 consumes only 1m W in power-

down mode and 17m W in standby mode. Divide-by-One (DIV1), Divide-by-Two (DIV2), and Divide-by-Four (DIV4) Clock Modes

Various adjustments and feature selections are avail- able through programmable registers that are Two’s Complement, Gray Code, and Offset Binary accessed through the 3-wire serial-port interface. Output Data Format Alternatively, the serial-port interface can be disabled,

Out-of-Range Indicator (DOR)

with the three pins available to select output mode, data format, and clock-divider mode. Data outputs are CMOS Output Internal Termination Options available through a dual parallel CMOS-compatible out- (Programmable) put data bus that can also be configured as a single

Reversible Bit Order (Programmable)

multiplexed parallel CMOS bus.

Data Output Test Patterns

The MAX19506 is available in a small 7mm x 7mm, 48- pin thin QFN package and is specified over the -40°C

Small 7mm x 7mm, 48-Pin Thin QFN Package with

to +85°C extended temperature range.

Exposed Pad

Refer to the MAX19515, MAX19516, and MAX19517 data sheets for pin- and feature-compatible 10-bit,

Ordering Information

65Msps, 100Msps, and 130Msps versions, respectively. Refer to the MAX19505 and MAX19507 data sheets for

PART TEMP RANGE PIN-PACKAGE

pin- and feature-compatible 8-bit, 65Msps and 130Msps

MAX19506ETM+ -40°C to +85°C 48 TQFN-EP*

versions, respectively.

+Denotes a lead(Pb)-free/Ro HS-compliant package.

Applications *EP = Exposed pad.

IF and Baseband Communications, Including Cellular Base Stations and Point-to-Point Microwave Receivers Ultrasound and Medical Imaging Portable Instrumentation and Low-Power Data

Acquisition Pin Configuration appears at end of data sheet.

Digital Set-Top Boxes SPI is a trademark of Motorola, Inc.

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.