AD7621 - ADI

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

Part No

AD7621
Manufacturer

ADI
ChipWorker Part#

CW389435467
Description

16Bit, 1 LSB INL, 3MSPS PulSAR ADC
Documentation

Datasheet

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AD7621 Specifications

Attribute	Attribute Value

Part Number	AD7621
Manufacturer	ADI
ChipWorker Part#	CW389435467
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD7621 is a 16-bit, 3 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 16-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 (Wideband Warp) for undersampling applications and, for asynchronous conversion rate applications, a fast mode (Normal) and, for low power applications, a reduced power mode (Impulse) where the power is scaled with the throughput.
It is available in a 48-lead LQFP or a 48-lead LFCSP with operation specified from –40°C to +85°C.
**APPLICATIONS**
Medical instruments
High speed data acquisition
Digital signal processing
Communications
Instrumentation
Spectrum analysis
ATE
### Features and Benefits
16 Bits Resolution with No Missing Codes
No Pipeline Delay ( SAR architecture )
Differential Input Range: ±VREF (VREF up to 2.5V)
Throughput:
3 MSPS (Wideband Warp and Warp Mode)
2 MSPS (Normal Mode)
1.25 MSPS (Impulse Mode)
INL ±2 LSB Max (±30 ppm of FS)
SINAD: 89 dB Typ @ 100 kHz
THD: -103 dB Typ @ 100 kHz
Parallel (16 or 8 bits bus) and Serial 5 V/3.3 V/2.5 V Interface
SPI®/QSPI™/MICROWIRE™/DSP Compatible
On-board Low Drift Reference with Buffer and Temperature Sensor
Single 2.5 V Supply Operation
Power Dissipation: 70 mW Typ @ 3 MSPS With REF

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