L293, L293D Texas Instruments TI pdf datasheet download

L293, L293D
QUADRUPLE HALF-H DRIVERS

Featuring Unitrode L293 and L293D
Products Now From Texas Instruments
Wide Supply-Voltage Range: 4.5 V to 36 V
Separate Input-Logic Supply
Internal ESD Protection
Thermal Shutdown
High-Noise-Immunity Inputs
Functionally Similar to SGS L293 and
SGS L293D
Output Current 1 A Per Channel
(600 mA for L293D)
Peak Output Current 2 A Per Channel
(1.2 A for L293D)
Output Clamp Diodes for Inductive
Transient Suppression (L293D)
description/ordering information
The L293 and L293D are quadruple high-current
half-H drivers. The L293 is designed to provide
bidirectional drive currents of up to 1 A at voltages
from 4.5 V to 36 V. The L293D is designed to
provide bidirectional drive currents of up to
600-mA at voltages from 4.5 V to 36 V. Both
devices are designed to drive inductive loads such
as relays, solenoids, dc and bipolar stepping
motors, as well as other high-current/high-voltage
loads in positive-supply applications.
All inputs are TTL compatible. Each output is a
complete totem-pole drive circuit, with a
Darlington transistor sink and a pseudo-
Darlington source. Drivers are enabled in pairs, with drivers 1 and 2 enabled by 1,2EN and drivers 3 and 4
enabled by 3,4EN. When an enable input is high, the associated drivers are enabled, and their outputs are active
and in phase with their inputs. When the enable input is low, those drivers are disabled, and their outputs are
off and in the high-impedance state. With the proper data inputs, each pair of drivers forms a full-H (or bridge)
reversible drive suitable for solenoid or motor applications.

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INA326 INA327 Burr-Brown pdf datasheet download

INA326
INA327

Precision, Rail-to-Rail I/O
INSTRUMENTATION AMPLIFIER

FEATURES
PRECISION
LOW OFFSET: 100μV (max)
LOW OFFSET DRIFT: 0.4μV/°C (max)
EXCELLENT LONG-TERM STABILITY
VERY-LOW 1/f NOISE
TRUE RAIL-TO-RAIL I/O
INPUT COMMON-MODE RANGE:
20mV Below Negative Rail to 100mV Above
Positive Rail
WIDE OUTPUT SWING: Within 10mV of Rails
SUPPLY RANGE: Single +2.7V to +5.5V
SMALL SIZE
microPACKAGE: MSOP-8, MSOP-10
LOW COST

APPLICATIONS
LOW-LEVEL TRANSDUCER AMPLIFIER FOR
BRIDGES, LOAD CELLS, THERMOCOUPLES
WIDE DYNAMIC RANGE SENSOR
MEASUREMENTS
HIGH-RESOLUTION TEST SYSTEMS
WEIGH SCALES
MULTI-CHANNEL DATA ACQUISITION
SYSTEMS
MEDICAL INSTRUMENTATION
GENERAL-PURPOSE

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DAC0830,DAC0832 National Semiconductor pdf datasheet download

DAC0830,DAC0832

8-Bit μP Compatible, Double-Buffered D to A Converters

General Description

The DAC0830 is an advanced CMOS/Si-Cr 8-bit multiplying
DAC designed to interface directly with the 8080, 8048,
8085, Z80®, and other popular microprocessors. A deposited
silicon-chromium R-2R resistor ladder network divides the
reference current and provides the circuit with excellent
temperature tracking characteristics (0.05% of Full Scale
Range maximum linearity error over temperature). The circuit
uses CMOS current switches and control logic to
achieve low power consumption and low output leakage
current errors. Special circuitry provides TTL logic input voltage
level compatibility.
Double buffering allows these DACs to output a voltage
corresponding to one digital word while holding the next
digital word. This permits the simultaneous updating of any
number of DACs.
The DAC0830 series are the 8-bit members of a family of
microprocessor-compatible DACs (MICRO-DAC™).

Features
n Double-buffered, single-buffered or flow-through digital
data inputs
n Easy interchange and pin-compatible with 12-bit
DAC1230 series
n Direct interface to all popular microprocessors
n Linearity specified with zero and full scale adjust
only—NOT BEST STRAIGHT LINE FIT.
n Works with ±10V reference-full 4-quadrant multiplication
n Can be used in the voltage switching mode
n Logic inputs which meet TTL voltage level specs (1.4V
logic threshold)
n Operates “STAND ALONE” (without μP) if desired
n Available in 20-pin small-outline or molded chip carrier
package

Key Specifications
n Current settling time: 1 μs
n Resolution: 8 bits
n Linearity: 8, 9, or 10 bits (guaranteed over temp.)
n Gain Tempco: 0.0002% FS/°C
n Low power dissipation: 20 mW
n Single power supply: 5 to 15 VDC

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CC2540F128, CC2540F256 Texas Instruments TI pdf datasheet download

CC2540F128, CC2540F256

2.4-GHz Bluetooth® low energy System-on-Chip

DESCRIPTION

The CC2540 is a cost-effective, low-power, true system-on-chip (SoC) for Bluetooth low energy applications. It
enables robust BLE master or slave nodes to be built with very low total bill-of-material costs. The CC2540
combines an excellent RF transceiver with an industry-standard enhanced 8051 MCU, in-system programmable
flash memory, 8-KB RAM, and many other powerful supporting features and peripherals. The CC2540 is suitable
for systems where very low power consumption is required. Very low-power sleep modes are available. Short
transition times between operating modes further enable low power consumption.
The CC2540 comes in two different versions: CC2540F128/F256, with 128 and 256 KB of flash memory,
respectively.
Combined with the Bluetooth low energy protocol stack from Texas Instruments, the CC2540F128/F256 forms
the market’s most flexible and cost-effective single-mode Bluetooth low energy solution.

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bq2019 Texas Instruments TI pdf datasheet download

bq2019

Multifunction Monitoring IC Designed to
Work With an Intelligent Host Controller
– Provides State-of-Charge Information for
Rechargeable Batteries
– Enhances Charge Termination
Ideal for Single-Cell Li-Ion or 3-Cell NiMH
Applications
High-Accuracy Coulometric Charge and
Discharge Current Integration With Offset
Calibration
32 Bytes of General-Purpose RAM
96 Bytes of Flash (Including 32 Bytes of
Shadow Flash)
8 Bytes of ID ROM
Internal Temperature Sensor Eliminates the
Need for an External Thermistor

Multifunction Digital Output Port
High-Accuracy Internal Timebase
Eliminates External Crystal Oscillator
Low Power Consumption
– Operating: <80 μA
– Sleep: <1.5 μA
Single-Wire HDQ Serial Interface
Packaging: 8-Lead TSSOP

description

The bq2019 advanced battery-monitoring IC accurately measures the charge and discharge currents in a
rechargeable battery pack. In pack integration, the bq2019 is the basis of a comprehensive battery-capacity
management system in portable applications such as cellular phones, PDAs, or other portable products.
The bq2019 works with the host controller in the portable system to implement the battery management system.
The host controller interprets the bq2019 data and communicates meaningful battery data to the end-user or
power-management system.
The bq2019 provides 64 bytes of general-purpose flash memory, 8 bytes of ID ROM, and 32 bytes of
flash-backed RAM for data storage. The nonvolatile memory can maintain formatted battery-monitor
information, identification codes, warranty information, or other critical battery parameters when the battery is
temporarily shorted or deeply discharged

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ADS8331 ADS8332 Texas Instruments TI pdf datasheet download

ADS8331
ADS8332

Low-Power, 16-Bit, 500kSPS, 4-/8-Channel Unipolar Input
ANALOG-TO-DIGITAL CONVERTERS with Serial Interface

APPLICATIONS

• Communications
• Transducer Interfaces
• Medical Instruments
• Magnetometers
• Industrial Process Control
• Data Acquisition Systems
• Automatic Test Equipment

DESCRIPTION

The ADS8331 is a low-power, 16-bit, 500k samples-
per-second (SPS) analog-to-digital converter (ADC)
with a unipolar, 4-to-1 multiplexer (mux) input. The
device includes a 16-bit capacitor-based successive
approximation register (SAR) ADC with inherent
sample and hold.

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ADS1286 Burr-Brown pdf datasheet download

ADS1286

12-Bit Micro Power Sampling
ANALOG-TO-DIGITAL CONVERTER

FEATURES
l SERIAL INTERFACE
l GUARANTEED NO MISSING CODES
l 20kHz SAMPLING RATE
l LOW SUPPLY CURRENT: 250mA

APPLICATIONS
l REMOTE DATA ACQUISITION
l ISOLATED DATA ACQUISITION
l TRANSDUCER INTERFACE
l BATTERY OPERATED SYSTEMS

DESCRIPTION
The ADS1286 is a 12-bit, 20kHz analog-to-digital
converter with a differential input and sample and hold
amplifier and consumes only 250mA of supply current.
The ADS1286 offers an SPI and SSI compatible
serial interface for communications over a two or three
wire interface. The combination of a serial two wire
interface and micropower consumption makes the
ADS1286 ideal for remote applications and for those
requiring isolation.
The ADS1286 is available in a 8-pin plastic mini DIP
and a 8-lead SOIC.


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