AD524BD

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AD524BD

IC INST AMP 1 CIRCUIT 16CDIP

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사양

Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
AmplifierType Instrumentation
NumberofCircuits 1
SlewRate 5V/µs
GainBandwidthProduct 1 MHz
-3dbBandwidth 1 MHz
Current-InputBias 25 nA
Voltage-InputOffset 100 µV
Current-Supply 3.5mA
Voltage-SupplySpan(Min) 12 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -25°C ~ 85°C
MountingType Through Hole
Package/Case 16-CDIP (0.300, 7.62mm)

개요

Description

AD524BD is a serially controlled digital potentiometer from Analog Devices. It provides a programmable resistance between its end terminals (A and B) with a wiper (W) whose position is set by a microcontroller over a SPI-like interface.
Key points:
- End-to-end resistance and wiper position are set digitally (typically 8-bit resolution, up to 256 steps).
- Interface usually includes CS, SCLK, SDI, and SDO pins.
- Used to set attenuation, gain, offset, or calibration in analog circuits.
- Power supply and electrical characteristics vary by variant; check the datasheet for the BD version’s exact specs (voltage range, current limits, volatility, packaging).
Common variants differ in volatility (volatile vs. non-volatile memory for the last wiper setting), package, and exact resistance value. Consult the AD524BD datasheet for precise figures and application notes.

Features

Here are the typical features of the AD524BD (digital potentiometer family):
- Dual digitally controlled potentiometers (two pots)
- 256-position (8-bit) wiper resolution per pot
- I2C-compatible serial interface for control
- End-to-end resistance options (selectable values such as 10 kΩ, 50 kΩ, 100 kΩ, etc.)
- Configurable as potentiometer or rheostat per channel
- Non-volatile and/or volatile memory options to retain wiper settings
- Low-power operation; wide single-supply range (approximately 2.7–5.5 V)
- 8-pin package; industrial temperature variants available
Note: exact end-to-end resistance, memory type, and temperature range depend on the specific BD variant you choose—refer to the datasheet for precise specs.

Package

AD524BD is an 8‑pin digital potentiometer in a Plastic DIP (DIP‑8) package. It is also available in an 8‑pin SOIC (SOIC‑8) per the datasheet.

Pinout

- Pin count: 8 pins (DIP-8/SOIC-8)
- Function: Single-channel digital potentiometer (A, B ends and W wiper) with a serial (SPI-like) interface. Terminals: A, B, W plus power (VDD, VSS) and control pins (CS, SCLK, SI). The wiper position is programmable to adjust the resistance between A and B; end-to-end resistance is variant-specific per datasheet.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI).
- Company type: A multinational American semiconductor company that designs and manufactures high-performance analog, mixed-signal, and digital signal processing ICs, sensors, and related products for industrial, automotive, communications, and consumer markets.

Application

AD524BD is a digitally programmable potentiometer (digipot). Typical applications: programmable gain/attenuation in op-amp paths and ADC/DAC front ends; biasing, offset trimming and reference scaling in instrumentation; programmable voltage dividers for calibration and sensor conditioning; audio volume control and attenuation in consumer audio; programmable feedback networks in control loops; and test/automation equipment needing repeatable, adjustable resistance.

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