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Series Information for AD766JNZ - Analog Devices


  • feature
    Zero-Chip Interface to Digital Signal Processors Complete DACPORTu00ae On-Chip Voltage Reference Voltage and Current Outputs Serial, Twos-Complement Input 63 V Output Sample Rates to 390 kSPS 94 dB Minimum Signal-to-Noise Ratio u201381 dB Maximum Total Harmonic Distortion 15-Bit Monotonicity 65 V to 612 V Operation 16-Pin Plastic and Ceramic Packages Available in Commercial, Industrial, and Military Temperature Ranges



The AD766 16-bit DSP DACPORT provides a direct, three- wire interface to the serial ports of popular DSP processors, in- cluding the ADSP-2101, TMS320CXX, and DSP56001. No additional “glue logic” is required. The AD766 is also com- plete, offering on-chip serial-to-parallel input format conver- sion, a 16-bit current-steering DAC, voltage reference, and a voltage output op amp. The AD766 is fabricated in Analog Devices’ BiMOS II mixed-signal process which provides bipolar transistors, MOS transistors, and thin-film resistors for preci- sion analog circuits in addition to CMOS devices for logic. The design and layout of the AD766 have been optimized for ac performance and are responsible for its guaranteed and tested 94 dB signal-to-noise ratio to 20 kHz and 79 dB SNR to 250 kHz. Laser-trimming the AD766’s silicon chromium thin- film resistors reduces total harmonic distortion below –81 dB (at 1 kHz), a specification also production tested. An optional linearity trim pin allows elimination of midscale differential linearity error for even lower THD with small signals. The AD766’s output amplifier provides a ±3 V signal with a high slew rate, small glitch, and fast settling. The output ampli- fier is short circuit protected and can withstand indefinite shorts to ground. DACPORT is a registered trademark of Analog Devices, Inc. The serial interface consists of bit clock, data, and latch enable inputs. The twos-complement data word is clocked MSB first on falling clock edges into the serial-to-parallel converter, con- sistent with the serial protocols of popular DSP processors. The input clock can support data transfers up to 12.5 MHz. The falling edge of latch enable updates the internal DAC input reg- ister at the sample rate with the sixteen bits most recently clocked into the serial input register. The AD766 operates over a ±5 V to ±12 V power supply range. The digital supplies, +VL and –VL, can be separated from the analog signal supplies, +VS and –VS, for reduced digital crosstalk. Separate analog and digital ground pins are also pro- vided. An internal bandgap reference provides a precision volt- age source to the output amp that is stable over temperature and time. Power dissipation is typically 120 mW with ±5 V supplies and 300 mW with ±12 V. The AD766 is available in commercial (0°C to +70°C), industrial (–40°C to +85°C), and military (–55°C to +125°C) grades. Commercial and industrial grade parts are available in a 16-pin plastic DIP; military parts pro- cessed to MIL-STD-883B are packaged in a 16-pin ceramic DIP. See Analog Devices’ Military Products Databook or current military data sheet for specifications for the military version.


Resolution (Bits):
Sampling Rate:
Input Channel Type:
Supply Voltage Range:
± 4.75V to ± 13.2V
ADC / DAC Case Style:
No. of Pins:
Data Interface:
3 Wire Serial
Operating Temperature Min:
Operating Temperature Max:
Product Range:
AD766 Series
Automotive Qualification Standard:
MSL 1 - Unlimited
No SVHC (07-Jul-2017)
A/D / D/A Features:
Internal Reference Latches Microprocessor Compatible Serial I/P Voltage O/P
Base Number:
Conversion Time:
IC Case Style:
IC Generic Number:
IC Temperature Range:
Linearity Error:
Logic Function Number:
No. of Channels:
Operating Temperature Range:
0°C to +70°C
Output Type:
Power Dissipation Ptot Max:
Sample Rate:
Settling Time:
Supply Current:
Supply Voltage Max:
Supply Voltage Min:

Alternate Descriptions

RS Components
1 channel 16bit D-A converter,AD766JN
Newark Electronics
Digital to Analogue Converter, 16 bit, 390 kSPS, Serial, 4.75V to 13.2V, DIP, 16 RoHS Compliant: Yes
Richardson RFPD
RS Components UK
1 channel 16bit D-A converter,AD766JN
RS Components DE
16 bit-Bit D/A-Wandler, AD766JNZ 390ksps, SPI, PDIP 16-Pin Digital Interface Typ : Seriell (SPI) Montage-Typ : Durchsteckmontage Stromversorgungs-Typ : Dual Referenzspannung : Intern Architektur : Stromsteuerung Rücksetzzeit max. : 1.5µs Ausgangspolarität : Bipolar Skalierungsfehler : ±2%FSR Abmessungen : 20.07 x 6.35 x 3.3mm, Analog Devices
RS Components HK
1 channel 16bit D-A converter,AD766JN
RS Components JP
1 channel 16bit D-A converter,AD766JN
RS Components FR
Convertisseur numérique-analogique
RS Components CN
IC,数模,转换器,串行,16 �
RS Components ES
1 channel 16bit D-A converter,AD766JN
RS Components NL
1 channel 16bit D-A converter,AD766JN
RS Components NO
RS Components US
1 channel 16bit D-A converter,AD766JN
RS Components SG
1 channel 16bit D-A converter,AD766JN
RS Components TW
1 channel 16bit D-A converter,AD766JN