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ANALOG DEVICES AD8452ASTZ
Analog Front End Controller/PWM, 10 to 36 V Supply, -40 to 85 Deg C, LQFP-48
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- AD8452ASTZ
- Order Code:
- 4033937
-
- Technical Datasheet:
- AD8452ASTZ Datasheet
- ECAD / MCAD
-
Product Overview
AD8452 combines a precision analogue front-end controller and switch mode power supply (SMPS), pulse-width modulator (PWM) driver into a single silicon platform for high volume battery testing and formation manufacturing. A precision instrumentation amplifier (in-amp) measures the battery charge/ discharge current, while an equally accurate difference amplifier measures the battery voltage. Internal laser trimmed resistor networks establish the in-amp and difference amplifier gains (66V/V and 0.4V/V, respectively), and stabilize the AD8452 performance across the rated operating temperature range. Application includes battery formation and testing, high efficiency battery test systems with recycle capability, battery conditioning (charging and discharging) systems.
- Precise measurement of voltage and current, independent feedback control blocks
- Highly accurate, factory trimmed instrumentation and differential amplifiers
- Popular SMPS control for charge/discharge, high PWM linearity with internal ramp voltage
- Synchronization output or input with adjustable phase shift
- Programmable soft start
- Gain is 66V/V (typ, AVCC = 15V, AVEE = −15V, VIN = 24V, and TA = 25°C)
- Offset voltage drift is -0.1µV/°C (TA = TMIN to TMAX, TA = 25°C)
- Common-mode rejection ratio (CMRR) is 120dB (ΔVCM = 20V, min, TA = 25°C)
- Slew rate is 5V/µs (VIN = 24V, ΔVISMEA = 10V, typ, TA = 25°C)
- 48-lead LQFP package, temperature range from -40°C to +85°C
Product Information
Technical Documents (1)
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HK$131.77
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