DAC904E
advanced digital-to-analog converter
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製造商零件號 # : DAC904E
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包裝/封裝: TSSOP-28
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製造商: Texas Instruments
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產品分類 : Digital to Analog Converters (DAC)
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DAC904E 數據表
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詳細說明
The advanced segmentation architecture of the DAC904 is optimized to deliver a high Spurious-Free Dynamic Range (SFDR) for both single-tone and multi-tone signals, making it ideal for use in the transmit signal path of communication systems. Its high impedance (200k) current output, with a nominal range of 20mA and an output compliance of up to 1.25V, ensures flexibility in signal interface, whether differential or single-ended analog
主要特徵
- Digital Storage and Retrieval
- Data Encryption and Security
- Real-Time Error Detection
- Error Correction Mechanism
應用
- Video and Digital TV
- Cellular Base Stations
- Digital Microwave Links
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Pbfree Code | Yes | Rohs Code | Yes |
Part Life Cycle Code | Active | Part Package Code | SSOP |
Pin Count ! | 28 | Reach Compliance Code | compliant |
ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
Analog Output Voltage-Max | 1.25 V | Analog Output Voltage-Min | -1 V |
Converter Type | D/A CONVERTER | Input Bit Code | BINARY |
Input Format | PARALLEL, WORD | JESD-30 Code | R-PDSO-G28 |
JESD-609 Code | e4 | Length | 9.7 mm |
Linearity Error-Max (EL) | 0.0153% | Moisture Sensitivity Level | 2 |
Number of Bits | 14 | Number of Functions | 1 |
Number of Terminals | 28 | Operating Temperature-Max | 85 °C |
Operating Temperature-Min | -40 °C | Package Body Material | PLASTIC/EPOXY |
Package Code | TSSOP | Package Equivalence Code | TSSOP28,.25 |
Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
Peak Reflow Temperature (Cel) | 260 | Power Supplies ! | 5 V |
Qualification Status ! | Not Qualified | Sample Rate | 200 MHz |
Seated Height-Max | 1.2 mm | Settling Time-Nom (tstl) | 0.03 µs |
Supply Current-Max | 30 mA | Supply Voltage-Nom | 5 V |
Surface Mount ! | YES | Technology | CMOS |
Temperature Grade ! | INDUSTRIAL | Terminal Finish | NICKEL PALLADIUM GOLD |
Terminal Form ! | GULL WING | Terminal Pitch ! | 0.65 mm |
Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | 30 |
Width | 4.4 mm |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is DAC904E?
The DAC904E is a quad, 14-bit digital-to-analog converter (DAC) designed by Texas Instruments. It consists of four independent DAC channels with 14-bit resolution, making it suitable for applications requiring multiple analog outputs with high precision.
How Does DAC904E Work?
The DAC904E functions by converting digital input values into analog voltage outputs with 14-bit resolution. Each of the four DAC channels can independently convert digital data into corresponding analog voltages, providing flexibility in controlling multiple analog signals simultaneously. The DAC features a serial interface for easy communication with a microcontroller or digital signal processor.
How Many Pins does DAC904E have and What are the Functions of the Pinout Configuration?
The DAC904E is housed in a 48-pin TQFP (Thin Quad Flat Package) package. The pinout configuration includes:
- DAC AOUT0-AOUT3: Analog output pins for each DAC channel.
- REFOUT: Reference voltage output pin.
- SDO, SCK, SYNC, CLR: Serial interface control pins.
- VDD, VSS: Power supply pins.
- AGND, DGND: Analog and digital ground pins, respectively.
- RESET, LDAC: Reset and Latch DAC pins.
What are the Pros and Cons of DAC904E?
Pros:
- Quad DAC: Provides four independent DAC channels in a single package for multiple analog outputs.
- High Resolution: Offers 14-bit resolution for precise analog voltage generation.
- Serial Interface: Includes a serial interface for simple integration with digital systems.
- Flexible Power Supply: Supports separate power supply pins for analog and digital sections.
- Reset and Latch Functionality: Features reset and latch pins for control and synchronization.
Cons:
- Complexity: Controlling and configuring multiple DAC channels may require careful software design.
- Cost: Quad DACs like the DAC904E may have a higher cost compared to single-channel DACs.
- External Components: Additional components such as amplifiers or filters may be needed for certain applications.
Are There Any Equivalents/Alternatives to DAC904E for Recommendation?
- The DAC8740H from Texas Instruments is a similar quad DAC with dynamic power scaling features.
- Alternatives to the DAC904E include the AD5624R from Analog Devices and the MAX5314 from Maxim Integrated.
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