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CXD2837ER
7 X 7 MM Telecom Circuit
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CXD2837ER 數據表
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詳細說明
The HI2302, CXD2302 is an 8-bit CMOS A/D converter for video with synchronizing clamp function. The adoption of 2 step-parallel method achieves low power consumption and a maximum conversion rate of 50 MSPS.Features• Resolution . . . . . . . . . . . . . . . . . . . 8-Bit ± 1/2 LSB (DL)• Maximum Sampling Frequency . . . . . . . . . . . 50 MSPS• Low Power Consumption . . . . . . . . . . . . . . . . . .125mW at 50 MSPS (Typ) (Reference Current Excluded)• Synchronizing Clamp Function• Clamp ON/OFF Function• Reference Voltage Self-Bias Circuit• Input CMOS/TTL Compatible• Three-State TTL Compatible Output• Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Single or 5V/3.3V Dual• Low Input Capacitance . . . . . . . . . . . . . . . . . . . . . . 15pF• Reference Impedance . . . . . . . . . . . . . . . . . . 370Ω (Typ)Applications• Wide Range of Applications that Require High-Speed A/D Conversion such as TV and VCR
主要特徵
- Resolution . . . . . . . . . . . . . . . . . . . 8-Bit ± 1/2 LSB (DL)
- Maximum Sampling Frequency . . . . . . . . . . . 50 MSPS
- Low Power Consumption . . . . . . . . . . . . . . . . . .125mW at 50 MSPS (Typ) (Reference Current Excluded)
- Synchronizing Clamp Function
- Clamp ON/OFF Function
- Reference Voltage Self-Bias Circuit
- Input CMOS/TTL Compatible
- Three-State TTL Compatible Output
- Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Single or 5V/3.3V Dual
- Low Input Capacitance . . . . . . . . . . . . . . . . . . . . . . 15pF
- Reference Impedance . . . . . . . . . . . . . . . . . . 370Ω (Typ)
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。
| Part Life Cycle Code | Obsolete | Part Package Code | QFN |
| Pin Count ! | 48 | Reach Compliance Code | |
| HTS Code ! | 8542.39.00.01 | JESD-30 Code | S-XQCC-N48 |
| Number of Functions | 1 | Number of Terminals | 48 |
| Operating Temperature-Max | 85 °C | Operating Temperature-Min | -20 °C |
| Package Body Material | UNSPECIFIED | Package Code | HQCCN |
| Package Shape | SQUARE | Package Style | CHIP CARRIER, HEAT SINK/SLUG |
| Supply Voltage-Nom | 1.1 V | Surface Mount ! | YES |
| Telecom IC Type | TELECOM CIRCUIT | Temperature Grade ! | OTHER |
| Terminal Form ! | NO LEAD | Terminal Position | QUAD |
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 CXD2837ER?
The CXD2837ER is a highly integrated RF receiver and digital demodulator designed by Sony Corporation. It is specifically developed for digital terrestrial television applications, such as set-top boxes, televisions, and digital video recorders.
How Does CXD2837ER Work?
The CXD2837ER operates by receiving digital television signals from an antenna, demodulating the signals, and decoding them into audio and video output for display on a television or monitor. It integrates advanced signal processing capabilities to ensure high-quality reception and decoding of digital TV broadcasts.
How Many Pins does CXD2837ER have and What are the Functions of the Pinout Configuration?
The CXD2837ER is housed in a 56-pin QFN (Quad Flat No-leads) package. The pinout configuration includes:
- DVDD, AVDD: Digital and analog power supply pins, respectively.
- RESETB: Reset input pin.
- XTAL1, XTAL2: Crystal oscillator connections.
- DIO0, DIO1, DIO2: Digital input/output pins for control and data communication.
- IFAGC, RFAGC: Automatic gain control pins for intermediate frequency and radio frequency, respectively.
- TSIF, TSCLK, TSDATA, TSEN, TSDVLD: Transport stream interface pins for digital audio/video data.
- AGCIF, RFIN, QPSKIN, TREN, PHASE: RF interface and demodulator control pins.
What are the Pros and Cons of CXD2837ER?
Pros:
- High Integration: Combines RF reception, demodulation, and decoding functions in a single device.
- High Sensitivity: Provides high sensitivity for reliable reception of digital TV signals.
- Low Power Consumption: Optimized for low power operation, suitable for portable and low-power devices.
- Advanced Signal Processing: Incorporates advanced processing algorithms for robust signal reception and demodulation.
- Compact Package: The 56-pin QFN package offers a space-efficient solution for compact designs.
Cons:
- Specialized Application: Limited to digital terrestrial television reception applications.
- External Components: May require specific external components such as filters and matching networks for optimal RF performance.
- Complex Integration: Requires careful PCB layout and RF design for optimal performance.
Are There Any Equivalents/Alternatives to CXD2837ER for Recommendation?
- The MN88473 from Panasonic is a similar highly integrated digital TV tuner and demodulator.
- Alternatives to the CXD2837ER include the RTL2832U from Realtek and the MaxLinear MxL608.
