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AD9920A Scheda tecnica(PDF) 6 Page - Analog Devices |
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AD9920A Scheda tecnica(HTML) 6 Page - Analog Devices |
6 / 112 page AD9920A Rev. B | Page 6 of 112 Parameter Test Conditions/Comments Min Typ Max Unit BLACK LEVEL CLAMP Clamp Level Resolution 1024 Steps Clamp Level Measured at ADC output Minimum Clamp Level Code 0 0 LSB Maximum Clamp Level Code 1023 255 LSB ADC Resolution 12 Bits Differential Nonlinearity (DNL)2 ±0.5 LSB No Missing Codes Guaranteed Integral Nonlinearity (INL)2 ±3.0 LSB Full-Scale Input Voltage 2.0 V VOLTAGE REFERENCE Reference Top Voltage (REFT) 1.4 V Reference Bottom Voltage (REFB) 0.4 V SYSTEM PERFORMANCE Includes entire signal chain Gain Accuracy 0 dB CDS gain Low Gain VGA Code 15 Gain = (0.0358 × code) + 5.76 dB 5.7 6.2 6.7 dB Maximum Gain VGA Code 1023 41.8 42.3 42.8 dB Peak Nonlinearity, 1 V Input Signal2 6 dB VGA gain, 0 dB CDS gain applied 0.1 0.3 % Total Output Noise2 AC-grounded input, 6 dB VGA gain applied 0.6 LSB rms Power Supply Rejection (PSR)2 Measured with step change on supply 40 dB 1 Input signal characteristics are defined as shown in Figure 2. 2 See the Terminology section. 800mV MAXIMUM MINIMUM INPUT LIMIT (AVSS – 0.3V) 0V (AVSS) 1V MAXIMUM INPUT SIGNAL RANGE (0dB CDS GAIN) +1.3V TYP (AVDD – 0.5V) DC RESTORE VOLTAGE +1.8V TYP (AVDD) MAXIMUM INPUT LIMIT = LESSER OF 2.2V OR AVDD + 0.3V 200mV MAX OPTICAL BLACK PIXEL 500mV TYP RESET TRANSIENT Figure 2. Input Signal Characteristics |
Codice articolo simile - AD9920A_15 |
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Descrizione simile - AD9920A_15 |
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