MAXIM MAX1426 10-Bit, 10Msps ADC Data Sheet

19-1598 Rev 1; 7/11

10-Bit, 10Msps ADC

General Description Features

The MAX1426 10-bit, monolithic analog-to-digital con-

Differential Inputs for High Common-Mode

verter (ADC) is capable of a 10Msps sampling rate. This

Noise Rejection

device features an internal track-and-hold (T/H) amplifier

for excellent dynamic performance; at the same time, it 61d B Signal-to-Noise Ratio (at f IN = 2MHz)

minimizes the number of external components. Low

Internal +2.5V Reference

input capacitance of only 8p F minimizes input drive

150MHz Input Bandwidth

requirements. A wide input bandwidth (up to 150MHz) makes this device suitable for digital RF/IF downconvert-

Wide ±2V Input Range

er applications employing undersampling techniques.

Low Power Consumption: 156m W

The MAX1426 employs a differential pipelined architec-

ture with a wideband T/H amplifier to maximize through- Separate Digital Supply Input for 3V Logic put while limiting power consumption to only 156m W. Compatibility

The MAX1426 generates an internal +2.5V reference

Single +5V Operation Possible

that supplies three additional reference voltages (+3.25V, +2.25V, and +1.25V). These reference volt-

ages provide a differential input range of +2V to -2V. Ordering Information

The analog inputs are biased internally to correct the

PART TEMP. RANGE PIN-PACKAGE

DC level, eliminating the need for external biasing on

MAX1426CAI+ 0°C to +70°C 28 SSOP

AC-coupled applications.

MAX1426EAI+ -40°C to +85°C 28 SSOP

A separate +3V digital logic supply input allows for

separation of digital and analog circuitry. The output +Denotes a lead(Pb)-free/Ro HS-compliant package. data is in two’s complement format. The MAX1426 is Devices are also available in a tape-and-reel package. available in the space-saving 28-pin SSOP package. Specify tape and reel by adding “T” to the number when order- ing.

For a pin-compatible version at a higher data rate, refer to the MAX1424 or MAX1425

Applications Pin Configuration

Medical Ultrasound Imaging

CCD Pixel Processing TOP VIEW

IR Focal Plane Array

AGND D0

Radar

AVDD D1

IF and Baseband Digitization

Set-Top Boxes REFP D2 REFIN D3 Functional Diagram REFN D4

MAX1426

CML DGND

AGND DVDD

CLK AVDD

MAX1426

AVDD DGND

INTERFACE AGND

INP DVDD

OUTPUT INN D5

T/H PIPELINE ADC D9–D0

DRIVERS

CMLP D6

CMLN D7

REF SYSTEM +

BIAS DGND

CLK D8

OE/PD D9

REFIN REFP CML REFN OE/PD

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.