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参数资料
| 型号： | DAC5688IRGCTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.0104 us SETTLING TIME, 16-BIT DAC, PQCC64 |
| 封装： | 9 X 9 MM, GREEN, PLASTIC, VQFN-64 |
| 文件页数： | 6/56页 |
| 文件大小： | 1321K |
| 代理商： | DAC5688IRGCTG4 |
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SLLS880C – DECEMBER 2007 – REVISED AUGUST 2010
www.ti.com
TEST METHODOLOGY
Typical AC specifications were characterized with the DAC5688EVM. A sinusoidal master clock frequency is
generated by an HP8665B signal generator which drives an Agilent 8133A pulse generator to generate a square
wave output clock for the TSW3100 Pattern Generator and EVM input clock. On the EVM, the input clock is
driven by an CDCM7005 clock distribution chip that is configured to simply buffer the external clock or divide it
down for necessary test configurations.
The DAC5688 output is characterized with a Rohde and Schwarz FSU spectrum analyzer. For WCDMA signal
characterization, it is important to use a spectrum analyzer with high IP3 and noise subtraction capability so that
the spectrum analyzer does not limit the ACPR measurement.
DEFINITION OF SPECIFICATIONS
Adjacent Carrier Leakage Ratio (ACLR): Defined for a 3.84Mcps 3GPP W-CDMA input signal measured in a
3.84MHz bandwidth at a 5MHz offset from the carrier with a 12dB peak-to-average ratio.
Analog and Digital Power Supply Rejection Ratio (APSRR, DPSRR): Defined as the percentage error in the
ratio of the delta IOUT and delta supply voltage normalized with respect to the ideal IOUT current.
Differential Nonlinearity (DNL): Defined as the variation in analog output associated with an ideal 1 LSB
change in the digital input code.
Gain Drift: Defined as the maximum change in gain, in terms of ppm of full-scale range (FSR) per °C, from the
value at ambient (25°C) to values over the full operating temperature range.
Gain Error: Defined as the percentage error (in FSR%) for the ratio between the measured full-scale output
current and the ideal full-scale output current.
Integral Nonlinearity (INL): Defined as the maximum deviation of the actual analog output from the ideal output,
determined by a straight line drawn from zero scale to full scale.
Intermodulation Distortion (IMD3, IMD): The two-tone IMD3 or four-tone IMD is defined as the ratio (in dBc) of
the worst 3rd-order (or higher) intermodulation distortion product to either fundamental output tone.
Offset Drift: Defined as the maximum change in DC offset, in terms of ppm of full-scale range (FSR) per °C,
from the value at ambient (25°C) to values over the full operating temperature range.
Offset Error: Defined as the percentage error (in FSR%) for the ratio between the measured mid-scale output
current and the ideal mid-scale output current.
Output Compliance Range: Defined as the minimum and maximum allowable voltage at the output of the
current-output DAC. Exceeding this limit may result reduced reliability of the device or adversely affecting
distortion performance.
Reference Voltage Drift: Defined as the maximum change of the reference voltage in ppm per degree Celsius
from value at ambient (25°C) to values over the full operating temperature range.
Spurious Free Dynamic Range (SFDR): Defined as the difference (in dBc) between the peak amplitude of the
output signal and the peak spurious signal.
Signal to Noise Ratio (SNR): Defined as the ratio of the RMS value of the fundamental output signal to the
RMS sum of all other spectral components below the Nyquist frequency, including noise, but excluding the first
six harmonics and dc.
14
Copyright 2007–2010, Texas Instruments Incorporated
Product Folder Link(s): DAC5688
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相关代理商/技术参数 |
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| DAC5689 | 制造商:TI 制造商全称:Texas Instruments 功能描述:16-BIT 800 MSPS 2x-8x INTERPOLATING DUAL-CHANNEL DIGITAL-TO-ANALOG CONVERTER (DAC) |
| DAC5689EVM | 功能描述:数据转换 IC 开发工具 DAC5689 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| DAC5689IRGCR | 功能描述:数模转换器- DAC 16B,800MSPS 2x-8x Int Dual-Channel DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC5689IRGCT | 功能描述:数模转换器- DAC 16B,800MSPS 2x-8x Int Dual-Channel DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| DAC56P | 制造商:TI 制造商全称:Texas Instruments 功能描述:Monolithic 16-Bit Resolution DIGITAL-TO-ANALOG CONVERTER |
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