MAX11043 Maxim Integrated Products, MAX11043 Datasheet

MAX11043

Manufacturer Part Number

MAX11043

Description

Simultaneous Sampling ADCs

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX11043.pdf (32 pages)

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Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MAX11043ATL+T

Manufacturer:

MOLEX

Quantity:

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The MAX11043 features 4 single-ended or differential

channels of simultaneous-sampling ADCs with 16-bit

resolution. The MAX11043 contains a versatile filter

block and programmable-gain amplifier (PGA) per

channel. The filter consists of seven cascaded 2nd-

order filter sections for each channel, allowing the con-

struction of a 14th-order filter. The filter coefficients are

user-programmable. Configure each 2nd-order filter as

lowpass (LP), highpass (HP), or bandpass (BP) with

optional rectification. Gain and phase mismatch of the

analog signal path is better than -50dB.

The ADC can sample up to 800ksps per channel. A

40MHz serial interface provides communication to and

from the device. The SPI™ interface provides through-

put of 1600ksps; 4 channels at 400ksps per channel or

2 channels at 800ksps per channel. A software-selec-

table scan mode allows reading the ADC results while

simultaneously updating the DAC. Other features of the

MAX11043 include an internal (+2.5V) or external

(+2.0V to +2.8V) reference, power-saving modes, and

a PGA with gains of 1 to 64. The PGA includes an

equalizer (EQ) function that automatically boosts low-

amplitude, high-frequency signals for applications such

as CW-chirp radar.

The MAX11043 includes two 8-bit coarse DACs that set

the high and low references for a second-stage 12-bit

fine DAC, typically used for VCO control. Use software

controls to write to the DAC or step the DAC up and

down under hardware control in programmable steps.

The device operates from a +3.0V to +3.6V supply. The

MAX11043 is available in a 40-pin, 6mm x 6mm TQFN

package and operates over the extended -40°C to

+125°C temperature range.

19-4250; Rev 0; 8/08

SPI is a trademark of Motorola, Inc.

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.

4-Channel, 16-Bit, Simultaneous-Sampling ADCs

Automotive Radar Systems

Data Acquisition Systems

Industrial Controls

Power-Grid Monitoring

with PGA, Filter, and 8-/12-Bit Dual-Stage DAC

________________________________________________________________ Maxim Integrated Products

General Description

Applications

♦ 4 Single-Ended or Differential Channels of

♦ ±10 LSB INL, ±1 LSB DNL, No Missing Codes

♦ 90dB SFDR, -86dB THD, 76dB SINAD,

♦ PGA with Gain of 1, 2, 4, 8, 16, 32, or 64 for

♦ EQ Function Automatically Boosts

♦ Seven-Stage Internal Programmable Biquad

♦ High Throughput, 400ksps per Channel for 4

♦ Dual-Stage DAC

♦ +2.5V Internal Reference or +2.0V to +2.8V

♦ Single +3.3V Operation

♦ Shutdown and Power-Saving Modes

♦ 40-Pin, 6mm x 6mm TQFN Package

♦ -40°C to +125°C Operating Temperature

+ Denotes a lead-free/RoHS-compliant package.

* EP = Exposed pad.

MAX11043ATL+

Simultaneous-Sampling, 16-Bit ADCs

77dB SNR at 100kHz Input

Each Channel

High-Frequency, Low-Amplitude Signals

Filters per Channel

Channels or 800ksps per Channel for 2 Channels

External Reference

TOP VIEW

*CONNECT EP TO AGND.

Two 8-Bit Coarse Reference DACs

12-Bit Fine DAC

PART

AINDN

REFBP

AINCN

AINDP

AINCP

AINBP

AGND

REFC

REFB

I.C.

-40°C to +125°C

TEMP RANGE

Ordering Information

MAX11043

TQFN

Pin Configuration

24 23 22

*EP

PIN-PACKAGE

40 TQFN-EP*

Features

20 OSCOUT

OSCIN

EOC

I.C.

SCLK

DIN

DOUT

CONVRUN

DACSTEP

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