AD9748ACPZRL7
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Analog Devices Inc. AD9748ACPZRL7

Manufacturer No:
AD9748ACPZRL7
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC DAC 8BIT A-OUT 32LFCSP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD9748ACPZRL7 is an 8-bit, high-performance digital-to-analog converter (DAC) from Analog Devices Inc. It is part of the TxDAC family, which is optimized for the transmit signal path of communication systems. This DAC offers exceptional AC and DC performance, supporting update rates up to 210 MSPS. The AD9748 is well-suited for portable and low-power applications due to its low power dissipation, which can be further reduced through adjustable full-scale current output and a power-down mode.

Key Specifications

Specification Value
Resolution 8-bit
Update Rate Up to 210 MSPS
Package Type 32-Lead LFCSP (5mm x 5mm w/ EP)
Supply Voltage 2.7 V to 3.6 V (single supply)
Power Dissipation 135 mW (typical), 60 mW (reduced performance), 15 mW (power-down mode)
Full-Scale Current Output Up to 20 mA, adjustable via external resistor
Input Logic 3 V CMOS logic families
Clock Input Differential or single-ended (LVPECL or CMOS)
Data Coding Twos complement or straight binary
Voltage Reference 1.2 V temperature-compensated band gap reference

Key Features

  • Segmented current source architecture combined with proprietary switching technique to enhance dynamic performance and reduce spurious components.
  • Edge-triggered input latches and integrated 1.2 V temperature-compensated band gap reference for a complete monolithic DAC solution.
  • Support for 3 V CMOS logic families.
  • Differential or single-ended clock input (LVPECL or CMOS).
  • Adjustable full-scale current output via an external resistor.
  • Power-down mode for low power idle periods.
  • High output impedance (>100 kΩ).

Applications

The AD9748 is specifically optimized for the transmit signal path of communication systems. It is well-suited for various applications including:

  • Portable and low-power communication devices.
  • Wireless communication systems.
  • Baseband and IF signal processing.
  • Direct digital synthesis (DDS) systems.

Q & A

  1. What is the resolution of the AD9748?

    The AD9748 has an 8-bit resolution.

  2. What is the maximum update rate of the AD9748?

    The AD9748 supports update rates up to 210 MSPS.

  3. What is the package type of the AD9748?

    The AD9748 comes in a 32-Lead LFCSP (5mm x 5mm w/ EP) package.

  4. What is the supply voltage range for the AD9748?

    The AD9748 operates on a single supply voltage from 2.7 V to 3.6 V.

  5. How can the power dissipation of the AD9748 be reduced?

    The power dissipation can be reduced by lowering the full-scale current output or by using the power-down mode, which reduces standby power to approximately 15 mW.

  6. What type of input logic does the AD9748 support?

    The AD9748 supports 3 V CMOS logic families.

  7. What types of clock inputs are supported by the AD9748?

    The AD9748 supports differential or single-ended clock inputs (LVPECL or CMOS).

  8. What data coding formats are supported by the AD9748?

    The AD9748 supports twos complement or straight binary data coding.

  9. Does the AD9748 have an integrated voltage reference?

    Yes, the AD9748 includes a 1.2 V temperature-compensated band gap voltage reference.

  10. What is the typical full-scale current output of the AD9748?

    The full-scale current output of the AD9748 is up to 20 mA and is adjustable via an external resistor.

Product Attributes

Number of Bits:8
Number of D/A Converters:1
Settling Time:11ns (Typ)
Output Type:Current - Unbuffered
Differential Output:Yes
Data Interface:Parallel
Reference Type:External, Internal
Voltage - Supply, Analog:2.7V ~ 3.6V
Voltage - Supply, Digital:2.7V ~ 3.6V
INL/DNL (LSB):±0.1, ±0.1
Architecture:Current Source
Operating Temperature:-40°C ~ 85°C
Package / Case:32-WFQFN Exposed Pad, CSP
Supplier Device Package:32-LFCSP-WQ (5x5)
Mounting Type:Surface Mount
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In Stock

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Same Series
AD9748ACP-PCBZ
AD9748ACP-PCBZ
EVAL BOARD FOR AD9748
AD9748ACPZ
AD9748ACPZ
IC DAC 8BIT A-OUT 32LFCSP

Similar Products

Part Number AD9748ACPZRL7 AD9740ACPZRL7 AD9742ACPZRL7 AD9744ACPZRL7
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active
Number of Bits 8 10 12 14
Number of D/A Converters 1 1 1 1
Settling Time 11ns (Typ) 11ns (Typ) 11ns (Typ) 11ns (Typ)
Output Type Current - Unbuffered Current - Unbuffered Current - Unbuffered Current - Unbuffered
Differential Output Yes Yes Yes Yes
Data Interface Parallel Parallel Parallel Parallel
Reference Type External, Internal External, Internal External, Internal External, Internal
Voltage - Supply, Analog 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V
Voltage - Supply, Digital 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V
INL/DNL (LSB) ±0.1, ±0.1 ±0.15, ±0.12 ±0.5, ±0.4 ±0.8, ±0.5
Architecture Current Source Current Source Current Source Current Source
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 32-WFQFN Exposed Pad, CSP 32-VFQFN Exposed Pad, CSP 32-WFQFN Exposed Pad, CSP 32-WFQFN Exposed Pad, CSP
Supplier Device Package 32-LFCSP-WQ (5x5) 32-LFCSP-VQ (5x5) 32-LFCSP-WQ (5x5) 32-LFCSP-WQ (5x5)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

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