AD7829BRWZ-1 Multiplexed A/D Converters by Analog Devices

Multiplexed A/D Converters
Status: Production
Series: AD7829-1
RoHS: Compliant
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The AD7829-1 is a high speed 8-channel, microprocessor-compatible, 8-bit analog-to-digital converter with a maximum throughput of 2 MSPS. The AD7829-1 contains an on-chip reference of 2.5 V (2% tolerance); a track/hold amplifier; a 420 ns, 8-bit half-flash ADC; and a high speed parallel interface. The converter can operate from a single 3 V ± 10%and 5 V ± 10% supply.The AD7829-1 combines the convert start and power-downfunctions at one pin, that is, the CONVST pin. This allows a unique automatic power-down at the end of a conversion to be implemented. The logic level on the CONVST pin is sampled after the end of a conversion when an EOC (end of conversion) signal goes high, and if it is logic low at that point, the ADC is powered down. The parallel interface is designed to allow easy interfacing to microprocessors and DSPs. Using only address decoding logic, the parts are easily mapped into the microprocessor address space.The EOC pulse allows the ADCs to be used in a stand-alone manner (see the Parallel Interface section).The AD7829-1 is available in a 28-lead, wide body, small outline IC (SOIC_W) and a 28-lead thin shrink small outline package (TSSOP).PRODUCT HIGHLIGHTS Fast Conversion Time. The AD7829-1 has a conversion time of 420 ns. Faster conversion times maximize the DSP processing time in a real-time system. Analog Input Span Adjustment. The VMID pin allows the user to offset the input span. This feature can reduce the requirements of single-supply op amps and take into account any system offsets. FPBW (Full Power Bandwidth) of Track-and-Hold. The track-and-hold amplifier has excellent high frequency performance. The AD7829-1 is capable of converting fullscale input signals up to a frequency of 10 MHz, making the parts ideally suited to subsampling

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Prices starting from US$3.65

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Features

8-bit half-flash ADC with 420 ns conversion time
Eight single-ended analog input channels
Available with input offset adjust
SNR performance given for input frequencies up to 10 MHz
Automatic power-down at the end of conversion
Flexible parallel interface with EOC pulse to allow stand-alone operation
On-chip track-and-hold
On-chip reference (2.5 V)
Wide operating supply range
3 V ± 10% and 5 V ± 10%
Input ranges
0 V to 2 Vp-p, VDD = 3 V ± 10%
0 V to 2.5 Vp-p, VDD = 5 V ± 10%

Alternative Descriptions

2 MSPS, 8-CH, 8-BIT ADC I.C. | Analog Devices
CONVERTER - ADC | Richardson RFPD

Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD7829BRWZ-1?

Additional datasheets, footprints and schematics for AD7829BRWZ-1 are listed on our Part Details page. You can also find images and similar parts to AD7829BRWZ-1 on this page.

What pricing and inventory information can I view?

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What category does AD7829BRWZ-1 fall under?

The AD7829BRWZ-1 is listed under Multiplexed A/D Converters.

Can I view similar or alternative parts?

You can view similar parts to AD7829BRWZ-1 when available in the Multiplexed A/D Converters range under the specifications section at the bottom of the details page.

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Submit any questions directly to the customer support team of the distributor listing the product. For the AD7829BRWZ-1 you can contact the distributor directly for product support, shipping queries etc.

Is the AD7829BRWZ-1 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for AD7829BRWZ-1 have stock available?

Authorised distributors including Analog Devices, Richardson RFPD and Farnell have stock available or on a lead time for AD7829BRWZ-1.

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