AD7674ASTZ - ADI

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

Part No

AD7674ASTZ
Manufacturer

ADI
ChipWorker Part#

CW1689126
Category

Analog to Digital, ADC IC
Package

LQFP-48
Description

ANALOG DEVICES AD7674ASTZ Analog to Digital Converter, 18Bit, 800KSPS, Single, 4.75V, 5.25V, LQFP
Documentation

Datasheet

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AD7674ASTZ Specifications

Attribute	Attribute Value

Part Number	AD7674ASTZ
Manufacturer	ADI
ChipWorker Part#	CW1689126
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	48 Pin
Case/Package	LQFP-48
Digital Logic Level	SAR
Supply Voltage (DC)	4.75V (min)
Supply Current	16.0 mA
Number of Circuits	1 Circuit
Number of Bits	18 Bit
Power Dissipation	126 mW
Sample Rate	800 ksps
Power Consumption	126 mW
Resolution (Bits)	18.0 Bit
Number of ADCs	1 ADC
Number of Inputs	1 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	138 mW
Number of Input Channels	1 Channel
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	4.75 V
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Size-Length	7 mm
Size-Width	7 mm
Size-Height	1.4 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tray
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
Mil-Spec	No
REACH SVHC Compliance Edition	2015/12/17

Product Description

Product Details
The AD7674 is an 18-bit, 800 kSPS, charge redistribution, successive approximation register (SAR) fully differential analog-to-digital converter (ADC) that operates on a single 5 V power supply. The device 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.
The device is available in a 48-lead LQFP or a 48-lead LFCSP with operation specified from −40°C to +85°C.
Product Highlights
1. High Resolution, Fast Throughput. The AD7674 is an 800 kSPS, charge redistribution, 18-bit, SAR ADC (no latency).
2. Excellent Accuracy. The AD7674 has a maximum integral nonlinearity of 2.5 LSB with no missing 18-bit codes.
3. Serial or Parallel Interface. Versatile parallel (18-, 16- or 8-bit bus) or 3-wire serial interface arrangement compatible with both 3 V and 5 V logic.
Applications
CT scanners
High dynamic data acquisition
Geophone and hydrophone sensors
∑-∆ replacement (low power, multichannel)
Instrumentation
Spectrum analysis
Medical instruments
### Features and Benefits
18-bit resolution with no missing codes
No pipeline delay (SAR architecture)
Differential input range: ±VREF (VREF up to 5 V)
Throughput
800 kSPS (warp mode)
666 kSPS (normal mode)
570 kSPS (impulse mode)
INL: ±2.5 LSB max (±9.5 ppm of full scale)
Dynamic range : 103 dB typ (VREF = 5 V)
SINAD: 100 dB typ at 2 kHz (VREF = 5 V)
Parallel (18-, 16-, or 8-bit bus) and serial 5 V/3 V interface
SPI/QSPI™/MICROWIRE/DSP compatible
On-board reference buffer
Single 5 V supply operation
See data sheet for additional features

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