AD9761ARSZ

Semiconductors - ICs

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Series Information for AD9761ARSZ - Analog Devices

Features

  • feature
    Complete 10-Bit, 40 MSPS DualTransmit DAC Excellent Gain and Offset Matching Differential Nonlinearity Error: 0.5 LSB Effective Number of Bits: 9.5 Signal-to-Noise and Distortion Ratio: 59 dB Spurious-Free Dynamic Range: 71 dB 2ue033 Interpolation Filters 20 MSPS/Channel Data Rate Single Supply: 3V to 5.5V Low Power Dissipation: 93 mW (3V Supply @ 40 MSPS) On-Chip Reference 28-Lead SSOP

Description

IC 10BIT DAC SMD 9761 SSOP28
The AD9761 is a complete dual-channel, high speed, 10-bit CMOS DAC. The AD9761 has been developed specifically for use in wide bandwidth communication applications (e.g., spread spectrum) where digital I and Q information is being processed during transmit operations. It integrates two 10-bit, 40 MSPS DACs, dual 2 interpolation filters, a voltage reference, and digi- tal input interface circuitry. The AD9761 supports a 20 MSPS per channel input data rate that is then interpolated by 2 up to 40 MSPS before simultaneously updating each DAC. The interleaved I and Q input data stream is presented to the digital interface circuitry, which consists of I and Q latches as well as some additional control logic. The data is de-interleaved back into its original I and Q data. An on-chip state machine ensures the proper pairing of I and Q data. The data output from each latch is then processed by a 2 digital interpolation filter that eases the reconstruction filter requirements. The interpo- lated output of each filter serves as the input of their respective 10-bit DAC. The DACs utilize a segmented current source architecture com- bined with a proprietary switching technique to reduce glitch energy and to maximize dynamic accuracy. Each DAC provides differential current output, thus supporting single-ended or dif- ferential applications. Both DACs are simultaneously updated and provide a nominal full-scale current of 10 mA. Also, the full-scale currents between each DAC are matched to within 0.07 dB (i.e., 0.75%), thus eliminating the need for additional gain calibration circuitry. The AD9761 is manufactured on an advanced low cost CMOS process. It operates from a single supply of 3V to 5.5 V and consumes 200 mW of power.To make the AD9761 complete, it also offers an internal 1.20V temperature-compensated band gap reference.

Specifications

Resolution (Bits):
10bit
Sampling Rate:
40MSPS
Input Channel Type:
Parallel
Supply Voltage Range:
2.7V to 5.5V 3V to 5.5V
ADC / DAC Case Style:
SSOP
No. of Pins:
28Pins
Data Interface:
Parallel
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
AD9761 Series
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
A/D / D/A Features:
CMOS Industrial Temperature Internal Reference
Base Number:
9761
Conversion Time:
0.035µs
IC Case Style:
SSOP
IC Generic Number:
9761
IC Temperature Range:
Commercial
Linearity Error:
0.5%
Linearity Error ADC / DAC +:
0.5LSB
Linearity Error ADC / DAC -:
0.5LSB
Logic Function Number:
9761
No. of Bits:
10bit
No. of Channels:
2Channels
Operating Temperature Range:
-40°C to +85°C
Output Type:
Current
Power Dissipation Ptot Max:
200mW
Settling Time:
0.035µs
Supply Current:
26mA
Supply Voltage Max:
5.5V
Supply Voltage Min:
2.7V
Supply Voltage Range - Analogue:
3V to 5.5V

Alternate Descriptions

Richardson RFPD

CONVERTER - DAC