Maxim Integrated Semiconductor Electronic Components Datasheet

MAX11152 Datasheet

SAR ADC

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MAX11152

18-Bit, 500ksps, +5V Unipolar Input, SAR ADC,

in Tiny 10-Pin µMAX

General Description

The MAX11152 is an 18-bit, 500ksps, +5V unipolar pseudo-

differential input SAR ADC that offers excellent AC and DC

performance in a small standard package.

This ADC typically achieves 95dB SNR, -106dB THD, and

±2 LSB INL, ±0.5 LSB DNL. The MAX11152 guarantees

18-bit no-missing codes.

The MAX11152 communicates using a SPI-compatible

serial interface at 2.5V, 3V, 3.3V, or 5V logic.

The serial interface can be used to daisy-chain multiple

ADCs for multichannel applications and provides a busy

indicator option for simplified system synchronization and

timing.

The MAX11152 is offered in a 10-pin, 3mm x 5mm,

µMAXM package and is specified over the -40NC to +85NC

temperature range.

Applications

●● Process Control and Industrial Automation

●● Medical Instrumentation

●● Test and Measurement

●● Automatic Test Equipment

●● Narrowband Receivers

Selector Guide and Ordering Information appear at end of

data sheet.

Benefits and Features

●● High DC/AC Accuracy Improves Measurement

Quality

• 18-Bit Resolution with No Missing Codes

• 500ksps Throughput Rates Without Pipeline Delay/

Latency

• 95dB SNR and -106dB THD at 10kHz

• 1.65 LSBRMS Transition Noise

• ±0.5 LSB DNL (typ) and ±2 LSB INL (typ)

●● Wide Supply Range Simplifies Power-Supply Design

• 5V Analog Supply

• 2.3V to 5V Digital Supply

• 23mW Power Consumption at 500ksps

• 10µA in Shutdown Mode

●● Multi-Industry Standard Serial Interface and Small

Package Reduce Size

• SPI/QSPI™/MICROWIRE®/DSP-Compatible

Serial Interface

• 3mm x 5mm, Tiny 10-Pin μMAX Package

μMAX is a registered trademark of Maxim Integrated Products, Inc.

QSPI is a trademark of Motorola, Inc.

MICROWIRE is a registered trademark of National

Semiconductor Corporation.

Typical Operating Circuit

VDD

(5V)

1µF

OVDD

(2.3V TO 5V)

1µF

0 TO +5V

MAX9632

10Ω

4.7nF, C0G

Ceramic

AIN+

AIN-

REF

10µF

18-BIT ADC

INTERFACE AND CONTROL

SCLK

SDI

SDO

CNVST

HOST

CONTROLLER

MAX11152

GND

16-Bit to 18-Bit SAR ADC Family

±5V Input

Internal REF

+5V Input

Internal REF

+5V Input

External REF

16 BIT/

250ksps

MAX11167

MAX11169

MAX11165

MAX11161

MAX11163

16 BIT/

500ksps

MAX11166

MAX11168

MAX11164

MAX11160

MAX11162

18 BIT/

500ksps

MAX11156

MAX11158

MAX11154

MAX11150

MAX11152

19-6797; Rev 2; 1/15

Maxim Integrated Semiconductor Electronic Components Datasheet

MAX11152 Datasheet

SAR ADC

No Preview Available !

MAX11152

18-Bit, 500ksps, +5V Unipolar Input, SAR ADC,

in Tiny 10-Pin µMAX

Absolute Maximum Ratings

VDD to GND.............................................................-0.3V to +6V

OVDD to GND........ -0.3V to the lower of (VDD + 0.3V) and +6V

AIN+ to GND............................................................-0.3V to +6V

AIN-, REF to GND.. -0.3V to the lower of (VDD + 0.3V) and +6V

SCLK, DIN, DOUT, CNVST

to GND................ -0.3V to the lower of (VDD + 0.3V) and +6V

Maximum Current into Any Pin...........................................50mA

Continuous Power Dissipation (TA = +70NC)

µMAX (derate 8.8mW/NC above +70NC)......................707mW

Operating Temperature Range............................ -40NC to +85NC

Junction Temperature.......................................................+150NC

Storage Temperature Range............................. -65NC to +150NC

Lead Temperature (soldering, 10s).................................. +300NC

Soldering Temperature (reflow)........................................+260NC

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation

of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum

rating conditions for extended periods may affect device reliability.

Package Thermal Characteristics (Note 1)

µMAX

Junction-to-Ambient Thermal Resistance (qJA)........ 113NC/W

Junction-to-Case Thermal Resistance (qJC)...............36NC/W

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer

board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.

Electrical Characteristics

(VDD = 4.75V to 5.25V, VOVDD = 2.3V to 5.25V, fSAMPLE = 500kHz, VREF = 5V; TA = TMIN to TMAX, unless otherwise noted. Typical

values are at TA = +25NC.) (Note 2)

PARAMETER

ANALOG INPUT (Note 3)

Input Voltage Range

SYMBOL

CONDITIONS

AIN+ to AIN-

Absolute Input Voltage Range

Input Leakage Current

Input Capacitance

Input-Clamp Protection Current

STATIC PERFOMANCE (Note 4)

Resolution

No Missing Codes

AIN+ to GND

AIN- to GND

Acquisition phase

Both inputs

Offset Error

Offset Temperature Coefficient

Gain Error

Gain Error Temperature Coefficient

Integral Nonlinearity

Differential Nonlinearity

Positive Full-Scale Error

INL

DNL

MIN TYP MAX UNITS

0 VREF

-0.1

VREF +

0.1

-0.1 +0.1

-10 +0.001 +10

-20 +20

µA

18 Bits

-0.5 ±0.1 +0.5

-25 ±5 +25 LSB

±1 µV/°C

-57 ±8 +57 LSB

±0.25

ppm/°C

-5.5

±2

+5.5

LSB

-0.9 ±0.5 +0.9

LSB

-65 +65 LSB

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MAX11152 Datasheet

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MAX11152 Datasheet

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