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AD7011 bảng dữ liệu(PDF) 2 Page - Analog Devices |
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AD7011 bảng dữ liệu(HTML) 2 Page - Analog Devices |
2 / 12 page REV. B –2– AD7011–SPECIFICATIONS1(V AA = VDD = +5 V 10%; Test = AGND = DGND = 0 V; Digital Mode, fMCLK = 3.1104 MHz; Analog Mode, fMCLK = 2.56 MHz, POWER = VDD. All specifications are TMIN to TMAX unless otherwise noted.) Parameter AD7011ARS Units Test Conditions/Comments DIGITAL MODE TRANSMIT SPECIFICATIONS Number of Channels 2 (ITx – ITx) and (QTx – QTx) Output Signal Range VREF + VREF/4 Volts For Each Analog Output Differential Output Range +VREF/2 Volts I Channel = (ITx – ITx) and Q Channel = (QTx – QTx) Signal Vector Magnitude 2 0.875 ± 7.5% Volts max Measured Differentially Error Vector Magnitude2 1 % rms typ 2.5 % rms max Offset Vector Magnitude 2 0.5 % typ 2.5 % max IS-54 Spurious Power 2, 3 @ 30 kHz –35 dB typ –30 dB max @ 60 kHz –70 dB typ –65 dB max @ 90 kHz, 120 kHz –75 dB typ –70 dB max ANALOG MODE SPECIFICATIONS No. of Channels 2 (ITx – ITx) and (QTx – QTx) Resolution 10 Bits Output Signal Range VREF ± VREF/3 Volts For Each Analog Output Differential Output Range ±2V REF/3 Volts I Channel = (ITx – ITx) and Q Channel = (QTx – QTx) DAC Update Rate 160 kHz MCLK/16; fMCLK = 2.56 MHz SNR 60 dB typ Generating a 10 kHz Sine Wave 55 dB min Differential Offset Error ±15 mV max Post Calibration Group Delay Matching Between I & Q Outputs 30 ns typ Coding Twos Complement Maximum and Minimum DAC Codes 4 +450/–450 max/min REFERENCE & CHANNEL SPECIFICATIONS Reference, VREF 2.46 Volts Reference Accuracy ±5% I and Q Gain Matching ±0.2 dB max Measured @ 10 kHz Power-Down Option Yes Power = 0 V LOGIC INPUTS VINH, Input High Voltage VDD – 0.9 V min VINL, Input Low Voltage 0.9 V max IINH, Input Current 10 FA max CIN, Input Capacitance 10 pF max LOGIC OUTPUTS VOH Output High Voltage VDD – 0.4 V min |IOUT| ≤ 40 µA VOL Output Low Voltage 0.4 V max |IOUT| ≤ 1.6 mA POWER SUPPLIES VDD 4.5/5.5 V min/V max IDD Transmit Section Active 8 mA max POWER = VDD 6 mA typ Transmit Section Powered Down 5 35 µA max MCLK Active 5 µA max MCLK Inactive NOTES 1Operating temperature ranges as follows: A Version: –40 °C to +85°C. 2See terminology. 3Measured in continuous transmission and Burst Mode with the I and Q channels ramping up and down at the beginning and end of a burst. 4Headroom must be allowed for the transmit DACs such that offsets in I & Q transmit channels can be calibrated out. Therefore, the full range of the I and Q DACs are not available to the user. The user should ensure that binary codes greater than or less than the maximum or minimum are not loaded into the I or Q DACs. 5Measured while the digital inputs to the transmit interface are static and equal to 0 V or V DD. Specifications subject to change without notice. |
Số phần tương tự - AD7011 |
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Mô tả tương tự - AD7011 |
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