AD7690BRMZ - ADI

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

Part No

AD7690BRMZ
Manufacturer

ADI
ChipWorker Part#

CW1004040
Category

Analog to Digital, ADC IC
Package

MSOP-10
Description

ANALOG DEVICES AD7690BRMZ Analog to Digital Converter, 18Bit, 400KSPS, Single, 4.75V, 5.25V, SOP
Documentation

Datasheet

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AD7690BRMZ Specifications

Attribute	Attribute Value

Part Number	AD7690BRMZ
Manufacturer	ADI
ChipWorker Part#	CW1004040
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	10 Pin
Case/Package	MSOP-10
Digital Logic Level	SAR
Supply Voltage (DC)	4.75V (min)
Supply Current	1 nA
Number of Circuits	1 Circuit
Number of Channels	1 Channel
Number of Bits	18 Bit
Power Dissipation	17 mW
Sample Rate	400 ksps
Power Consumption	17 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)	20 mW
Number of Input Channels	1 Channel
Supply Voltage	4.75V ~ 5.25V
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	4.75 V
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Size-Length	3 mm
Size-Width	3 mm
Size-Height	0.85 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
Mil-Spec	No
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

Product Details
The AD7690 is an 18-bit, successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD. It contains a low power, high speed, 18-bit sampling ADC with no missing codes, an internal conversion clock, and a versatile serial interface port. On the CNV rising edge, it samples the voltage difference between the IN+ and IN− pins. The voltages on these pins swing in opposite phase between 0 V and REF. The reference voltage, REF, is applied externally and can be set up to the supply voltage.
The power of the AD7690 scales linearly with the throughput.
The SPI-compatible serial interface also features the ability, using the SDI input, to daisy-chain several ADCs on a single, 3-wire bus and provides an optional busy indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate VIO supply.
The AD7690 is housed in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from −40°C to +85°C.
**Applications**
Battery-powered equipment
Data acquisition
Seismic data acquisition systems
DVMs
Instrumentation
Medical instruments
### Features and Benefits
18-bit resolution with no missing codes
Throughput: 400 kSPS
INL: ±0.75 LSB typ, ±1.5 LSB max (±6 ppm of FSR)
Dynamic range: 102 dB @ 400 kSPS
Oversampled dynamic range: 125 dB @ 1 kSPS
Noise-free code resolution: 20 bits @ 1 kSPS
Effective resolution: 22.7 bits @ 1 kSPS
SINAD: 101.5 dB @ 1 kHz
THD: −125 dB @ 1 kHz
True differential analog input range: ±VREF 0 V to VREF with VREF up to VDD on both inputs
No pipeline delay
Single-supply 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface

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