Maxim manual MAX1400/MAX1402 Evaluate

Page 9

 

Figure 1.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAX1402 EV Kit Schematic

 

 

J2

 

 

 

 

 

 

 

 

 

 

 

 

 

Y1

SMA

 

 

 

 

 

 

 

 

 

 

 

 

2.4576MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

1

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

1

MCLKIN

 

SCLK

28

SCLK

J1-37

R8

 

 

 

 

 

 

 

 

 

MOSI

 

 

 

 

 

 

 

2

MCLKOUT

DIN

27

J1-36

10Ω

 

 

J1-7

J1-1

 

 

 

 

 

DVDD

 

 

 

 

 

 

 

 

 

26

MISO

J1-35

 

 

 

J1-2

 

 

 

 

 

 

DOUT

C11

 

 

J1-8

 

 

OUT1

3

 

 

 

 

 

 

 

J1-34

CS

 

 

25

INT

J1-29

0.1μF

 

 

 

J1-3

 

 

 

 

DRDY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1-33

OUT2

4

RESET

 

DVDD

24

 

 

AVDD

 

 

 

J1-4

 

JU6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R7

C10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DS1

 

5

DS1/MUXOUTP

 

23

10Ω

0.1μF

 

 

 

 

 

 

JU7

 

 

DVDD

 

 

 

 

 

 

 

 

 

 

 

DGND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DS0

 

6

DS0/MUXOUTN

 

 

R10

 

 

 

 

 

 

 

 

 

 

22

SHORT

 

 

 

 

 

 

 

 

 

 

 

 

CALOFFP

 

 

OFFSET+

 

 

 

 

 

 

 

7

 

 

 

 

JU3

 

 

 

 

 

OUT2

 

IOUT2/ADCINP

 

 

C13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

21

OPEN

 

 

 

 

 

 

 

OUT1

 

IOUT1/ADCINN

CALOFFN

 

 

OFFSET-

 

U2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

JU4

 

MAX6025

 

 

GND

 

AGND

 

 

 

 

 

 

J1-5

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

1

 

 

 

 

 

 

REFINP

 

 

REF+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOUT

VIN

 

 

 

 

10

 

 

 

 

C9

 

 

J1-6

 

AVDD

 

AVDD

 

 

 

 

 

R

 

L

 

 

 

 

 

19

100nF

 

 

JU8

GND

C15

 

 

 

 

 

 

REFINN

 

 

REF-

 

 

 

11

 

 

 

 

 

 

3

 

2.2μF

_______________________________________________________________________________________

AIN1

 

AIN1

 

 

 

R9

JU1

 

 

 

 

MAX1402EvaluationKit/EvaluationSystem

 

C3

 

 

 

 

 

 

 

 

R1

 

 

 

18

SHORT

 

 

JU5

 

 

 

100Ω

100pF

 

 

CALGAINP

 

 

GAIN+

 

 

 

 

 

 

C12

JU2

 

 

 

 

12

 

 

 

 

 

 

 

 

AIN2

 

AIN2

 

 

 

OPEN

 

 

 

 

 

R2

C4

 

 

17

 

 

 

 

 

 

 

 

CALGAINN

 

 

GAIN-

 

 

 

 

 

 

 

 

 

 

 

 

 

100Ω

100pF

 

 

 

 

 

R6

 

 

 

 

 

 

13

 

 

 

16

100Ω

 

 

 

 

AIN3

 

AIN3

U1

AIN6

 

 

AIN6

 

 

 

R3

C5

 

C8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100Ω

100pF

 

 

 

 

100pF

R5

 

 

 

 

 

 

14

 

MAX1402

15

100Ω

 

 

 

 

AIN4

 

AIN4

 

 

AIN5

 

 

 

 

C6

 

AIN5

 

C7

 

 

 

 

 

R4

 

 

 

 

 

 

 

 

 

 

100pF

 

 

 

 

100pF

 

 

 

 

 

 

100Ω

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAX1400/MAX1402 Evaluate:

9

Image 9
Contents Ordering Information Component ListsMAX1402 Stand-Alone EV Kit MAX1402 EV SystemComponent Suppliers MAX1402 EV Kit FilesQuick Start INSTALL.EXE Connections and SetupUNINST.INI UNMAXIM.EXEConfiguration Tool Upgrading the 68HC16 ModuleMain Display Calibration Tool Sampling ToolRegister Display Tool Detailed Description Hardware TroubleshootingInput Filtering Evaluating the MAX1400Jumper State Function Register BIT Name Description MAX1400/MAX1402 Evaluate MAX1402 EV Kit Component Placement Guide-Component Side MAX1402 EV Kit PCB Layout-Component Side MAX1402 EV Kit PCB Layout-Solder Side Revision History

MAX1402 specifications

The Maxim MAX1402 is a highly integrated, low-power 12-bit analog-to-digital converter (ADC) that boasts high performance and versatility, making it ideal for a range of applications including industrial control, portable instrumentation, and medical devices. This component incorporates advanced technology aimed at providing accurate and efficient signal processing.

One of the primary features of the MAX1402 is its high resolution of 12 bits, which allows it to effectively convert analog signals into digital data with a level of detail suitable for precision measurements. The device operates at a sampling rate of up to 1 MSPS (million samples per second), allowing it to capture rapid changes in input signals, making it particularly adept for applications requiring real-time data acquisition.

Another notable characteristic is its low power consumption. With a typical operating current of only 500 µA, the MAX1402 is well-suited for battery-operated devices, where energy efficiency is paramount. The low power feature, combined with the ability to run off a single supply voltage, enhances the device's adaptability in various circuit designs.

The MAX1402 features an onboard sample-and-hold circuit, which facilitates effective signal stability during the conversion process. This is crucial in preventing distortion from high-frequency signals and helps in achieving precise measurement results even in noisy environments.

The converter supports a differential input configuration, which improves common-mode rejection and enhances the overall performance in industrial applications where noise and interference are common. Additionally, the MAX1402 includes an internal reference voltage source, simplifying system design by eliminating the need for external components.

The device is also equipped with a serial interface, which allows for straightforward integration with microcontrollers and other digital systems. This feature streamlines the process of data transmission, enabling seamless communication and control within various systems.

With its compact design and robust performance, the MAX1402 addresses the need for accurate, low-power ADCs in modern electronic applications. Its combination of features, such as 12-bit resolution, 1 MSPS sampling rate, low power consumption, and integrated functionality, positions it as a reliable choice for engineers and designers seeking to enhance their measurement and control systems.