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SPT561AMJ, SPT574, SPT574BCN

Table of contents:
Info of SPT561AMJ
Info of SPT574
Info of SPT574BCN

SPT561AMJ, SPT574, SPT574BCN Selling Leads, Datasheet

MFG:SPT Package Cooled:2002+ D/C:N/A

SPT561AMJ, SPT574, SPT574BCN Datasheet download

Five Points

Part Number: SPT561AMJ

MFG: SPT

Package Cooled: 2002+

D/C: N/A

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SPT574 General Description

The SPT574 is a complete, 12-bit successive approximation A/D converter manufactured in CMOS technology. The device is an improved version of the HADC574Z. Included on chip are an internal reference, clock, and a sample-and-hold. The S/H is an additional feature not available on similar devices.

The SPT574 features 25 s (max) conversion time of 10 or 20 V input signals. Also, a three-state output buffer is added for direct interface to an 8, 12, or 16-bit P bus.

The SPT574 has standard bipolar and unipolar input ranges of 10 V and 20 V that are controlled by a bipolar offset pin and laser trimmed for specified linearity, gain and offset accuracy.

The power supply is +5 V. The device also has an optional mode control voltage which may be used depending on the application. With a maximum dissipation of 100 mW at the specified voltages, power consumption is about five times lower than that of currently available devices.

The SPT574 is available in 28-lead ceramic sidebrazed DIP, PDIP and SOIC packages in the commercial temperature range.

SPT574 Maximum Ratings

Supply Voltages
Mode Control Voltage (V_EE to DGND) ................ 0 to +7 V
Logic Supply Voltage (V_DDto DGND) ..................0 to +7 V
Analog to Digital Ground (AGND to DGND) .................±1 V
Input Voltages
Control Input Voltages (to DGND)
(CE, CS, Ao, 12/8, R/C) ....................... -0.5 to VDD +0.5 V
Analog Input Voltage (to AGND)
(REF IN, BIP OFF, 10 VIN) .....................................±16.5 V
20 V VIN Input Voltage (to AGND) ...........................±24 V
Output
Reference Output Voltage ...........Indefinite Short to GND
Momentary Short to V_DD
Temperature
Operating Temperature, Ambient ................. 0 to +70 °C
Junction ....................... +165 °C
Lead Temperature, (Soldering 10 Seconds) ....... +300 °C
Storage Temperature ...............................-65 to +150 °C

Note: Operation at any Absolute Maximum Rating is not implied. See Operating Conditions for proper nominal applied conditions in typical applications.

SPT574 Features

• Improved Version of the HADC574Z
• Complete 12-Bit A/D Converter with Sample/Hold,Reference and Clock
• Low Power Dissipation (100 mW Max)
• 12-Bit Linearity (Over Temp)
• 25 s Max Conversion Time
• Single +5 V Supply
• Full Bipolar and Unipolar Input Range

SPT574 Typical Application

• Data Acquisition Systems
• 8 or 12-Bit P Input Functions
• Process Control Systems
• Test and Scientific Instruments
• Personal Computer Interface

SPT574 Connection Diagram

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