AD9760ARZ

Semiconductors - ICs

> Data & Signal Conversion

> Digital-to-Analog Converters - DAC

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Series Information for AD9760ARZ - Analog Devices

Features

  • feature
    Member of Pin-Compatible TxDAC Product Family 125 MSPS Update Rate 10-Bit Resolution Excellent Spurious Free Dynamic Range Performance SFDR to Nyquist @ 40 MHz Output: 52 dBc Differential Current Outputs: 2 mA to 20 mA Power Dissipation: 175 mW @ 5 V to 45 mW @ 3 V Power-Down Mode: 25 mW @ 5 V On-Chip 1.20 V Reference Single +5 V or +3 V Supply Operation Packages: 28-Lead SOIC and TSSOP Edge-Triggered Latches

Description

DAC 10BIT 125MSPS 0.5LSB 28SOIC

The AD9760 and AD9760-50 are the 10-bit resolution members of the TxDAC series of high performance, low power CMOS digital-to-analog converters (DACs). The AD9760-50 is a lower performance option that is guaranteed and specified for 50 MSPS operation. The TxDACfamily that consists of pin compatible 8-, 10-, 12- and 14-bit DACs is specifically optimized for the trans- mit signal path of communication systems. All of the devices share the same interface options, small outline package and pinout, thus providing an upward or downward component selection path based on performance, resolution and cost. Both the AD9760 and AD9760-50 offer exceptional ac and dc performance while supporting update rates up to 125 MSPS and 60 MSPS respectively. The AD9760’s flexible single-supply operating range of 2.7 V to 5.5 V and low power dissipation are well suited for portable and low power applications. Its power dissipation can be further reduced to a mere 45 mW without a significant degradation in performance by lowering the full-scale current output. Also, a power-down mode reduces the standby power dissipation to approximately 25 mW. The AD9760 is manufactured on an advanced CMOS process. A segmented current source architecture is combined with a propri- etary switching technique to reduce spurious components and enhance dynamic performance. Edge-triggered input latches and a 1.2 V temperature compensated bandgap reference have been inte- grated to provide a complete monolithic DAC solution. Flexible supply options support +3 V and +5 V CMOS logic families. TxDAC is a registered trademark of Analog Devices, Inc. The AD9760 is a current-output DAC with a nominal full-scale output current of 20 mA and > 100 kΩ output impedance. Differential current outputs are provided to support single- ended or differential applications. Matching between the two current outputs ensures enhanced dynamic performance in a differential output configuration. The current outputs may be tied directly to an output resistor to provide two complemen- tary, single-ended voltage outputs or fed directly into a trans- former. The output voltage compliance range is 1.25 V. The on-chip reference and control amplifier are configured for maximum accuracy and flexibility. The AD9760 can be driven by the on-chip reference or by a variety of external reference voltages. The internal control amplifier that provides a wide (>10:1) adjustment span allows the AD9760 full-scale current to be adjusted over a 2 mA to 20 mA range while maintaining excellent dynamic performance. Thus, the AD9760 may oper- ate at reduced power levels or be adjusted over a 20 dB range to provide additional gain ranging capabilities. The AD9760 is available in a 28-lead SOIC and TSSOP packages. It is specified for operation over the industrial temperature range.

Specifications

Resolution (Bits):
10bit
Sampling Rate:
125MSPS
Input Channel Type:
Parallel
Supply Voltage Range:
2.7V to 5.5V
ADC / DAC Case Style:
SOIC
No. of Pins:
28Pins
Data Interface:
Parallel
Operating Temperature Min:
85°C
Operating Temperature Max:
-40°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Supply Current:
25mA

Alternate Descriptions

Richardson RFPD
CONVERTER - DAC