AD9754ARZ

Semiconductors - ICs

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Series Information for AD9754ARZ - Analog Devices

Features

  • feature
    High Performance Member of Pin-Compatible TxDAC Product Family 125 MSPS Update Rate 14-Bit Resolution Excellent Spurious Free Dynamic Range Performance SFDR to Nyquist @ 5 MHz Output: 83 dBc Differential Current Outputs: 2 mA to 20 mA Power Dissipation: 185 mW @ 5 V Power-Down Mode: 20 mW @ 5 V On-Chip 1.20 V Reference CMOS-Compatible +2.7 V to +5.5 V Digital Interface Package: 28-Lead SOIC, TSSOP Packages Edge-Triggered Latches

Description

IC 14BIT DAC POLY FUSE SMD 9754

The AD9754 is a 14-bit resolution, wideband, second genera- tion member of the TxDAC series of high performance, low power CMOS digital-to-analog-converters (DACs). The TxDAC family, which consists of pin compatible 8-, 10-, 12- and 14-bit DACs, is specifically optimized for the transmit signal path of communication systems. All of the devices share the same interface options, small outline package and pinout, providing an upward or downward component selection path based on performance, resolution and cost. The AD9754 offers exceptional ac and dc performance while supporting update rates up to 125 MSPS. The AD9754’s flexible single-supply operating range of +4.5 V to +5.5 V and low power dissipation are well suited for portable and low power applications. Its power dissipation can be further reduc- ed to a mere 65 mW with a slight degradation in performance by lowering the full-scale current output. Also, a power-down mode reduces the standby power dissipation to approximately 20 mW. The AD9754 is manufactured on an advanced CMOS process. A segmented current source architecture is combined with a proprietary 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 integrated to provide a complete monolithic DAC solution. The digital inputs support +2.7 V and +5 V CMOS logic families. The AD9754 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 AD9754 can be driven by the on-chip reference or by a variety of external reference voltages. The internal control amplifier, which provides a wide (>10:1) adjustment span, allows the AD9754 full-scale current to be adjusted over a 2 mA to 20 mA range while maintaining excellent dynamic performance. Thus, the AD9754 may operate at reduced power levels or be adjusted over a 20 dB range to provide additional gain ranging capabilities. The AD9754 is available in 28-lead SOIC and TSSOP packages. It is specified for operation over the industrial temperature range.

Specifications

Resolution (Bits):
14bit
Sampling Rate:
125MSPS
Input Channel Type:
Parallel
Supply Voltage Range:
4.5V to 5.5V
ADC / DAC Case Style:
SOIC
No. of Pins:
28Pins
Data Interface:
Parallel
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
AD9754 Series
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
A/D / D/A Features:
CMOS Industrial Temperature Internal Reference Latches
Base Number:
9754
IC Case Style:
SOIC
IC Generic Number:
9754
IC Temperature Range:
Commercial
Linearity Error:
3%
Linearity Error ADC / DAC +:
0.5LSB
Linearity Error ADC / DAC -:
0.5LSB
Logic Function Number:
9754
No. of Bits:
14bit
No. of Channels:
1Channels
Operating Temperature Range:
-40°C to +85°C
Output Type:
Current
Power Dissipation Ptot Max:
220mW
Settling Time:
0.035µs
Supply Current:
34mA
Supply Voltage Max:
5.5V
Supply Voltage Min:
2.7V
Supply Voltage Range - Digital:
2.7V to 5.5V

Alternate Descriptions

Richardson RFPD
CONVERTER - DAC