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AD9012AQ
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Product Detailed Parameters
- Description：IC ADC TTL 8BIT HS 28-CDIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：8
- Sampling Rate (Per Second)：100M
- Number of Inputs：-
- Input Type：-
- Data Interface：Parallel
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：1
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-25°C ~ 85°C
- Package / Case：28-CDIP (0.600", 15.24mm)
- Supplier Device Package：28-CDIP
- Mounting Type：Through Hole
- Grade：-
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Overview
The AD9012AQ is an 8-bit, ultrahigh speed analog-to-digital converter fabricated in an advanced bipolar process. It supports sampling rates up to 100 MSPS and features a wide large-signal analog input bandwidth of 160 MHz. The device utilizes 256 parallel comparator stages decoded to drive TTL compatible output latches. It operates within an industrial temperature range of –25 °C to +85 °C and offers 0.75 LSB linearity. Power consumption is nominally 955 mW with typical supply currents of 33 mA at +5.0 V and 179 mA at –5.2 V.
Feature Summary
- Features exceptionally low input capacitance of 16 pF for accurate high-speed pulse acquisition without external track-and-hold circuits.
- Incorporates a fault-tolerant decoding scheme to minimize false codes and ensure high-speed linearity.
- Includes dedicated control pins for adjusting comparator hysteresis and managing overflow inhibit states.
Applications
- Radar guidance systems
- Digital oscilloscopes and ATE equipment
- Laser and radar warning receivers
- Electronic warfare (ECM, ECCM, ESM)
- Communication and signal intelligence
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and temperature grade. Ensure that the procurement channel provides valid traceability for components designated for industrial or military applications. Cross-reference the part number with official distributor catalogs to validate authenticity before finalizing orders.
Selection Notes
Select the AD9012AQ when an industrial temperature range of –25 °C to +85 °C is sufficient for the application environment. This variant provides 0.75 LSB linearity, which may be adequate for systems where cost efficiency is prioritized over the tighter 0.50 LSB accuracy offered by other grades. Confirm that the 160 MHz input bandwidth meets the signal requirements.
Part Context
The AD9012 series represents a family of high-speed flash ADCs designed for demanding signal processing tasks. The AQ designation specifically identifies the industrial grade version packaged in a 28-lead Cerdip (Q-28). Other variants in the lineup include military-grade options compliant with MIL-STD-883 and different linearity specifications.
Replacement Considerations
Direct replacements include the AD9012BQ for improved 0.50 LSB linearity within the same package and temperature range. For military environments, consider the AD9012SQ or AD9012TQ. Verify pin compatibility and thermal characteristics when substituting.
