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Balanced Mod/Dmod 20-Pin SOIC W
SOPManufacturer:
Mfr.Part #:
AD630AR
Datasheet:
Place:
Philippines
Launch_date:
Oct 31, 1995
Last_inspection_date:
+90
Supplier_cage_code:
24355
EDA/CAD Models:
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The AD630 is a high precision balanced modulator/demodulatorthat combines a flexible commutating architecture with theaccuracy and temperature stability afforded by laser wafer trimmedthin film resistors. A network of on-board applications resistorsprovides precision closed-loop gains of ±1 and ±2 with 0.05%accuracy (AD630B). These resistors may also be used to accuratelyconfigure multiplexer gains of 1, 2, 3, or 4. External feedbackenables high gain or complex switched feedback topologies.
The AD630 can be thought of as a precision op amp with twoindependent differential input stages and a precision comparatorthat is used to select the active front end. The rapid responsetime of this comparator coupled with the high slew rate and fastsettling of the linear amplifiers minimize switching distortion.
The AD630 is used in precision signal processing and instrumentationapplications that require wide dynamic range. Whenused as a synchronous demodulator in a lock-in amplifierconfiguration, the AD630 can recover a small signal from100 dB of interfering noise (see the Lock-In AmplifierApplications section). Although optimized for operation up to1 kHz, the circuit is useful at frequencies up to several hundredkilohertz.
Other features of the AD630 include pin programmable frequencycompensation; optional input bias current compensationresistors, common-mode and differential-offset voltage adjustment,and a channel status output that indicates which of thetwo differential inputs is active.
Product Highlights
place | Philippines | launch_date | Oct 31, 1995 |
last_inspection_date | +90 | supplier_cage_code | 24355 |
htsusa | 8542390001 | schedule_b | 8542390000 |
ppap | False | aec | False |
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