IC THERMO COOLER DRIVER 24LFCSP
Richiesta di offerta
ADN8834ACPZ-R7 Dettagli del prodotto
The ADN8834ACPZ-R7 is a monolithic TEC controller with an integrated TEC controller. It has a linear power stage, a pulse-width modulation (PWM) power stage, and two zero-drift, rail-to-rail operational amplifiers. The linear controller works with the PWM driver to control the internal power MOSFETs in an H-bridge configuration. By measuring the thermal sensor feedback voltage and using the integrated operational amplifiers as a proportional integral differential (PID) compensator to condition the signal, the ADN8834ACPZ-R7 drives current through a TEC to settle the temperature of a laser diode or a passive component attached to the TEC module to the programmed target temperature.
The ADN8834ACPZ-R7 supports negative temperature coefficient (NTC) thermistors as well as positive temperature coefficient (PTC) resistive temperature detectors (RTD). The target temperature is set as an analog voltage input either from a digital-to-analog converter (DAC) or from an external resistor divider.
The temperature control loop of the ADN8834ACPZ-R7 is stabilized by PID compensation utilizing the built in, zero drift chopper amplifiers. The internal 2.50 V reference voltage provides a 1% accurate output that is used to bias a thermistor temperature sensing bridge as well as a voltage divider network to program the maximum TEC current and voltage limits for both the heating and cooling modes. With the zero drift chopper amplifiers, extremely good long-term temperature stability is maintained via an autonomous analog temperature control loop.
- Patented high efficiency single inductor architecture
- Integrated low RDSON MOSFETs for the TEC controller
- TEC voltage and current operation monitoring
- No external sense resistor required
- Independent TEC heating and cooling current limits settings
- Programmable maximum TEC voltage
- 2.0 MHz PWM driver switching frequency
- External synchronization
- Two integrated zero drift, rail-to-rail chopper amplifiers
- Capable of NTC or RTD thermal sensors
- 2.50 V reference output with 1% accuracy
- Temperature lock indicator
- Available in a 25-ball, 2.5 mm × 2.5 mm WLCSP or in a 24-lead, 4 mm × 4 mm LFCSP
- TEC temperature control
- Optical modules
- Optical fiber amplifiers
- Optical networking systems
- Instruments requiring TEC temperature control
*Product is covered by U.S. Patent No. 6,486,643
- Thermoelectric Cooler
- Current Supply
- Voltage Supply
- 2.7V ~ 5.5V
- Operating Temperature
- -40??C ~ 125??C
- Mounting Type
- Surface Mount
- Package / Case
- 24-WFQFN Exposed Pad, CSP
- Supplier Device Package
- 24-LFCSP-WQ (4x4)
ADN8834 Technical Documentation/Data sheet
ADN8834ACPZ-R7 Related speciale
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Easy transaction. Fast shipping.
Estimated Delivery Time: Feb 04 - Feb 09 days (choose Expedited at checkout).
Spedizione & Pagamento
- Tipo di spedizione
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- Lead Time
- $20.00-$40.00 (0.50 KG)
- 2-5 days
- $20.00-$40.00 (0.50 KG)
- 3-7 days
- $20.00-$45.00 (0.50 KG)
- 2-5 days
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- 2-5 days
- $25.00-$45.00 (0.50 KG)
- 5-14 days
- REGISTERED AIR MAIL
- $2.00-$3.00 (0.10 KG)
- 7-30 days
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1.We provide 90 days warranty.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
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- Q: What is the process for returns or replacement of ADN8834ACPZ-R7?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the ADN8834ACPZR7 we delivered, we will accept the replacement or return of the ADN8834ACPZ-R7 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of ADN8834ACPZ-R7.
(3)The ADN8834ACPZ-R7 is unused and only in the original unpacked packaging.
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