DS1834AS+T&R

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DS1834AS+T&R

IC SUPERVISOR 2 CHANNEL 8SOIC

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Especificaciones

Series EconoReset
Part Status Active
DigiKey Programmable Not Verified
Type Multi-Voltage Supervisor
Number of Voltages Monitored 2
Voltage - Threshold 3.3V, 5V
Output Open Drain or Open Collector
Reset Active Low
Reset Timeout 200ms Minimum
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number DS1834

Descripción general

Description

The DS1834AS+T&R is a voltage supervisor and reset controller designed by Maxim Integrated (now part of Analog Devices). It is used primarily in microcontroller applications to ensure proper device operation by monitoring power supply levels. The DS1834AS features adjustable reset thresholds and delays, protecting systems from power glitches or brownouts. It has a wide supply voltage range and operates at low power, making it suitable for battery-operated devices.
Key features include:
- Adjustable reset threshold voltage (typically from 2.63V to 5.0V).
- Active-low reset output.
- Open-drain configuration for flexibility.
- Fast response to power supply changes.
- Available in various package options.
The part is commonly used in consumer electronics, industrial applications, and automotive systems where reliable power management is critical for preventing data corruption and ensuring stable operation.

Features

The DS1834AS+T&R is a precision voltage reference and supervisor IC designed for use in microprocessor and microcontroller applications. Key features include:
1. Voltage Reference: Provides a stable voltage reference output for precise measurements.
2. Watchdog Timer: Monitors system operation and resets the microcontroller if it becomes unresponsive.
3. Power-On Reset: Ensures that the system resets when power is applied, preventing faulty operation during voltage instability.
4. Adjustable Reset Thresholds: Features adjustable reset thresholds for flexible design applications.
5. Active Low Reset Output: Provides a low signal to indicate a reset condition, facilitating easy interfacing with other components.
6. Temperature Range: Operates over a wide temperature range, ensuring reliability in diverse environments.
7. Low Supply Current: Consumes minimal power, making it suitable for battery-operated devices.
8. Compact Package: Offered in a small footprint, ideal for space-constrained designs.
These features make the DS1834AS+T&R suitable for various applications, including embedded systems and consumer electronics.

Package

The DS1834AS+T&R is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package), which is designed for space-saving applications.

Pinout

The DS1834AS+T&R is a precision voltage supervisor and reset controller with a total of 8 pins. Its functions include monitoring supply voltage and generating a reset signal when the voltage drops below a specified threshold.
### Pin Count and Functions:
1. GND (Ground): Connects to the system ground.
2. VCC (Supply Voltage): Connects to the regulated supply voltage.
3. RESET (Active Low Reset Output): Outputs a reset signal when the voltage is below the threshold.
4. VTH (Threshold Voltage Input): Sets the reset threshold voltage.
5. MR (Manual Reset): Allows for manual reset activation.
6. NC (No Connect): Not internally connected to the chip.
7. ADJ (Adjustable Reset Threshold): Used for adjusting the reset threshold voltage.
8. VREF (Reference Voltage Output): Provides a stable reference voltage for external circuits.
The DS1834AS+T&R is commonly used in microcontroller applications to ensure proper operation during power fluctuations.

Manufacturer

The DS1834AS+T&R is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of analog and digital semiconductor solutions, including microcontrollers, processors, and various integrated circuits. The company is well-known for its innovation in the field of electronics, providing components that are used in numerous applications, such as automotive, industrial, communications, and consumer electronics. TI emphasizes research and development to create advanced technologies that drive efficiency and performance in electronic systems.

Application

The DS1834AS+T&R is a precision voltage supervisor and reset generator used in various applications, including microprocessor and microcontroller systems, power management circuits, automotive electronics, and consumer electronics. It ensures reliable operation by monitoring power supply voltages and generating reset signals during power-up, down, or brown-out conditions, thereby preventing malfunction and data corruption.

Equivalent

The DS1834AS+T&R is a real-time clock (RTC) and power management IC. Equivalent products include the MCP7940N from Microchip, the PCF8523 from NXP, and the DS3231 from Maxim Integrated. Ensure to verify specifications such as power supply voltage, communication interface, and timing accuracy for specific application needs.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

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Actualmente, solo aceptamos los siguientes métodos de pago:

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2. Tarjeta de crédito/débito

3. Transferencia bancaria