Maxim MAX1402 manual Jumper State Function

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MAX1402 Evaluation Kit/Evaluation System

Table 2. Jumper Functions

JUMPER

STATE

FUNCTION

 

 

 

JU1

Closed*

Use CalGain inputs for gain calibration (CALGAIN+ = REFIN+)

 

 

 

JU1

Open

Use CalGain inputs as general purpose signal inputs

 

 

 

JU2

Closed*

Use CalGain inputs for gain calibration (CALGAIN- = REFIN-)

 

 

 

JU2

Open

Use CalGain inputs as general purpose signal inputs

 

 

 

JU3

Closed*

Use CalOff inputs for offset calibration (CALOFF+ = GND)

 

 

 

JU3

Open

Use CalOff inputs as general purpose signal inputs

 

 

 

JU4

Closed*

Use CalOff inputs for offset calibration (CALOFF- = GND)

 

 

 

JU4

Open

Use CalOff inputs as general purpose signal inputs

 

 

 

JU5

Closed*

Use on-board reference U2 (REFIN- = GND)

 

 

 

JU5

Open

REFIN+ and REFIN- must be driven by an external reference

 

 

 

 

 

Connects pin 5 to pin 7

JU6

Closed

MAX1402: pin 5 = digital input DS1, pin 7 = current source

 

 

MAX1400: normal operation

 

 

 

 

 

Disconnects pin 5 from pin 7

JU6

Open

MAX1402: pin 5 = digital input DS1, pin 7 = current source

 

 

MAX1400: insert filter between mux and A/D

 

 

 

 

 

Connects pin 6 to pin 8

JU7

Closed

MAX1402: pin 6 = digital input DS0, pin 8 = current source

 

 

MAX1400: normal operation

 

 

 

 

 

Disconnects pin 6 from pin 8

JU7

Open

MAX1402: pin 6 = digital input DS0, pin 8 = current source

 

 

MAX1400: insert filter between mux and A/D

 

 

 

JU8

Closed*

Use on-board reference U2 (REFIN+ = 2.5V)

 

 

 

JU8

Open

REFIN+ and REFIN- must be driven by an external reference

 

 

 

*Default trace on top layer of PCB.

Table 3. Default Jumper Settings

JUMPER

STATE

FUNCTION

 

 

 

JU1

Closed*

Use CalGain inputs for gain calibration (CALGAIN+ = REFIN+)

 

 

 

JU2

Closed*

Use CalGain inputs for gain calibration (CALGAIN- = REFIN-)

 

 

 

JU3

Closed*

Use CalOff inputs for offset calibration (CALOFF+ = GND)

 

 

 

JU4

Closed*

Use CalOff inputs for offset calibration (CALOFF- = GND)

 

 

 

JU5

Closed*

Use on-board reference U2 (REFIN- = GND)

 

 

 

 

 

Disconnects pin 5 from pin 7

JU6

Open

MAX1402: pin 5 = digital input DS1, pin 7 = current source

 

 

MAX1400: insert filter between mux and A/D

 

 

 

 

 

Disconnects pin 6 from pin 8

JU7

Open

MAX1402: pin 6 = digital input DS0, pin 8 = current source

 

 

MAX1400: insert filter between mux and A/D

 

 

 

JU8

Closed*

Use on-board reference U2 (REFIN+ = 2.5V)

 

 

 

*Default trace on top layer of PCB.

Evaluate: MAX1400/MAX1402

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Contents MAX1402 EV System Component ListsOrdering Information MAX1402 Stand-Alone EV KitMAX1402 EV Kit Files Component SuppliersQuick Start UNMAXIM.EXE Connections and SetupINSTALL.EXE UNINST.INIUpgrading the 68HC16 Module Configuration ToolMain Display Sampling Tool Calibration ToolRegister Display Tool Evaluating the MAX1400 TroubleshootingDetailed Description Hardware Input FilteringJumper 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.