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Series Information for AD7764BRUZ - Analog Devices


  • feature
    High performance 24-bit u2211-u2206 ADC 115 dB dynamic range at 78 kHz output data rate 109 dB dynamic range at 312 kHz output data rate 312 kHz maximum fully filtered output word rate Pin-selectable oversampling rate (64u00d7, 128u00d7, and 256u00d7) Low power mode Flexible SPI Fully differential modulator input On-chip differential amplifier for signal buffering On-chip reference buffer Full band low-pass finite impulse response (FIR) filter Overrange alert pin Digital gain correction registers Power-down mode Synchronization of multiple devices via SYNC pin Daisy chaining



The AD7764 is a high performance, 24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC). It combines wide input bandwidth, high speed, and performance of 109 dB dynamic range at a 312 kHz output data rate. With excellent dc specifications, the converter is ideal for high speed data acquisition of ac signals where dc data is also required. Using the AD7764 eases the front-end antialias filtering requirements, simplifying the design process significantly. The AD7764 offers pin-selectable decimation rates of 64×, 128×, and 256×. Other features include an integrated buffer to drive the reference, as well as a fully differential amplifier to buffer and level shift the input to the modulator. An overrange alert pin indicates when an input signal has exceeded the acceptable range. The addition of internal gain and internal overrange registers makes the AD7764 a compact, highly integrated data acquisition device requiring minimal peripheral components. The AD7764 also offers a low power mode, significantly reducing power dissipation without reducing the output data rate or available input bandwidth. The differential input is sampled at up to 40 MSPS by an analog modulator. The modulator output is processed by a series of low-pass filters. The external clock frequency applied to the AD7764 determines the sample rate, filter corner frequencies, and output word rate. The AD7764 device boasts a full band on-board FIR filter. The full stop-band attenuation of the filter is achieved at the Nyquist frequency. This feature offers increased protection from signals that lie above the Nyquist frequency being aliased back into the input signal bandwidth. The reference voltage supplied to the AD7764 determines the input range. With a 4 V reference, the analog input range is ±3.2768 V differential, biased around a common mode of 2.048 V. This common-mode biasing can be achieved using the on-chip differential amplifier, further reducing the external signal conditioning requirements. The AD7764 is available in a 28-lead TSSOP package and is specified over the industrial temperature range of −40°C to +85°C.


Resolution (Bits):
Sampling Rate:
Input Channel Type:
Differential Single Ended
Data Interface:
Serial SPI
Supply Voltage Type:
Supply Voltage Min:
Supply Voltage Max:
ADC / DAC Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Single 24-Bit Sigma-Delta ADCs
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 1 - Unlimited
No SVHC (07-Jul-2017)
Base Number:
IC Case Style:
No. of Bits:
No. of Channels:
Operating Temperature Range:
-40°C to +85°C
Supply Current:
Supply Voltage Range - Analogue:
2.375V to 2.625V 4.75V to 5.25V
Supply Voltage Range - Digital:
2.375V to 2.625V
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
ADC Single Delta-Sigma 312KSPS 24-Bit
Richardson RFPD
RS Components UK
ADC Single Delta-Sigma 312KSPS 24-Bit
RS Components DE
24-Bit-Bit ADC AD7764BRUZ Differentiell SPI, TSSOP 28-Pin 1 Digital Interface Typ : Seriell (SPI) Montage-Typ : SMD Abtastrate : 312ksps Architektur : Delta Sigma Versorgungsspannung einzeln typ. : 5 V Eingangssignal-Typ : Differential Integrale Nichtlinearität : 0.004%FSR Abmessungen : 9.7 x 4.4 x 1.05mm, Analog Devices
RS Components HK
ADC Single Delta-Sigma 312KSPS 24-Bit
RS Components JP
RS Components FR
CAN simple delta-sigma 312Ksps 24bits
RS Components CN
ADC Single Delta-Sigma 312KSPS 24-Bit
RS Components ES
ADC Single Delta-Sigma 312KSPS 24-Bit
RS Components NL
ADC Single Delta-Sigma 312KSPS 24-Bit
RS Components NO
ADC Single Delta-Sigma 312KSPS 24-Bit
RS Components US
ADC Single Delta-Sigma 312KSPS 24-Bit
RS Components SG
ADC Single Delta-Sigma 312KSPS 24-Bit
RS Components TW
ADC Single Delta-Sigma 312KSPS 24-Bit