| Part Number | AD8451 |
| Manufacturer | Analog Devices |
| Title | Precision Analog Front End and Controller |
| Description | The AD8451 is a precision analog front end and controller for testing and monitoring battery cells. A precision fixed gain instrumentation amplifi... |
| Features |
Integrated constant current and voltage modes with automatic switchover Charge and discharge modes Precision voltage and current measurement Integrated precision control feedback blocks Precision interface to PWM or linear power converters Fixed gain settings Current sense gain: 26 V/V (typ) Voltage... |
| File Size | 934.87KB |
| Datasheet |
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AD8452 : Data Sheet Precision Integrated Analog Front End, Controller, and PWM for Battery Test and Formation Systems AD8452 FEATURES GENERAL DESCRIPTION CC and CV battery test and formation modes with transparent and automatic switchover, for systems of 20 Ah or less Precise measurement of voltage and current Independent feedback control blocks Highly accurate, factory trimmed instrumentation and differential amplifiers In-amp for current sense gain: 66 V/V Difference amplifier for voltage sense gain: 0.4 V/V Stable over temperature: offset voltage drift 0.6 µV/°C (maximum) Gain drift: 3 ppm/°C (maximum) Current sense CMRR: 120 dB minimum Popular SMPS control for charge/discharge High PWM line.
AD8450 : Data Sheet Precision Analog Front End and Controller for Battery Test/Formation Systems AD8450 FEATURES GENERAL DESCRIPTION Integrated constant current and voltage modes with automatic switchover Charge and discharge modes Precision voltage and current measurement Integrated precision control feedback blocks Precision interface to PWM or linear power converters Programmable gain settings Current sense gains: 26, 66, 133, and 200 Voltage sense gains: 0.2, 0.27, 0.4, and 0.8 Programmable OVP and OCP fault detection Current sharing and balancing Excellent ac and dc performance Maximum offset voltage drift: 0.6 µV/°C Maximum gain drift: 3 ppm/°C Low current sense amplifier input voltage nois.
AD845 : a Precision, 16 MHz CBFET Op Amp FEATURES Replaces Hybrid Amplifiers in Many Applications AC PERFORMANCE: Settles to 0.01% in 350 ns 100 V/s Slew Rate 12.8 MHz Min Unity Gain Bandwidth 1.75 MHz Full Power Bandwidth at 20 V p-p DC PERFORMANCE: 0.25 mV Max Input Offset Voltage 5 V/؇C Max Offset Voltage Drift 0.5 nA Input Bias Current 250 V/mV Min Open-Loop Gain 4 V p-p Max Voltage Noise, 0.1 Hz to 10 Hz 94 dB Min CMRR Available in Plastic Mini-DIP, Hermetic CERDIP, and SOIC Packages. Also Available in Tape and Reel in Accordance with EIA-481A Standard AD845 CONNECTION DIAGRAMS Plastic Mini-DIP (N) Package and CERDIP (Q) Package 16-Lead SOIC (R-16) Package GENERAL DESCRIPTION The AD84.