AD7641 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD7641
Manufacturer

ADI
ChipWorker Part#

CW389445137
Description

14Bit, 1MSPS, Differential, Programmable Input PulSAR ADC
Documentation

Datasheet

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AD7641 Specifications

Attribute	Attribute Value

Part Number	AD7641
Manufacturer	ADI
ChipWorker Part#	CW389445137
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

GENERAL DESCRIPTION
The AD7641 is a 18-bit, 2 MSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates from a single 2.5 V power supply. The part contains a high-speed 18-
bit sampling ADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports. It features a very high sampling rate mode (Warp) and a fast mode (Normal) for asynchronous conversion rate applications. The AD7641 is hardware factory calibrated and comprehensively tested to ensure ac parameters
such as signal-to-noise ratio (SNR) and total harmonic distortion (THD) in addition to the more traditional dc parameters of gain, offset and linearity. Operation is specified from −40°C to +85°C.
FEATURES
Throughput
2 MSPS (wideband warp and warp mode)
1.5 MSPS (normal mode)
INL: ±2 LSB typical, ±3 LSB max; ±8 ppm of full scale
18-bit resolution with no missing codes
Dynamic range: 95.5 dB
SNR: 93.5 dB typical @ 20 kHz (VREF= 2.5 V)
THD: −112 dB typical @ 20 kHz (VREF= 2.5 V)
2.048 V internal reference: typ drift 10 ppm/°C; TEMP output
Differential input range: ±VREF(VREFup to 2.5 V)
No pipeline delay (SAR architecture)
Parallel (18-, 16-, or 8-bit bus) and serial 5 V/3.3 V/2.5 V interface
SPI®/QSPI™/MICROWIRE™/DSP compatible
Single 2.5 V supply operation
Power dissipation
75 mW typical @ 2 MSPS with internal REF
2 μW in power-down mode
Pb-free, 48-lead LQFP and 48-lead LFCSP_VQ
Speed upgrade of the AD7674, AD7678, AD7679
APPLICATIONS
Medical instruments
High speed data acquisition/high dynamic data acquisition
Digital signal processing
Spectrum analysis
Instrumentation
Communications
ATE

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Ordering Information

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- Please check the technical specifications of the products when ordering.
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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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