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AD7403-8BRIZ Datasheet(PDF) 4 Page - Analog Devices |
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AD7403-8BRIZ Datasheet(HTML) 4 Page - Analog Devices |
4 / 25 page Data Sheet AD7403 SPECIFICATIONS AD7403 VDD1 = 4.5 V to 5.5 V, VDD2 = 3 V to 5.5 V, VIN+ = −250 mV to +250 mV, VIN− = 0 V, TA = −40°C to +125°C, fMCLKIN1 = 5 MHz to 20 MHz, tested with sinc3 filter, 256 decimation rate, as defined by Verilog code, unless otherwise noted. All voltages are relative to their respective ground. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments STATIC PERFORMANCE Resolution 16 Bits Filter output truncated to 16 bits Integral Nonlinearity (INL)2 ±2 ±12 LSB Differential Nonlinearity (DNL)2 ±0.99 LSB Guaranteed no missed codes to 16 bits Offset Error2 ±0.2 ±0.75 mV Offset Drift vs. Temperature3 1.6 3.8 µV/°C 1.3 3.1 µV/°C 0°C to 85°C Offset Drift vs. VDD13 50 µV/V Gain Error2 ±0.2 ±0.8 % FSR fMCLKIN = 16 MHz ±0.2 ±0.8 % FSR fMCLKIN = 20 MHz, TA = −40°C to +85°C ±0.2 ±1.2 % FSR fMCLKIN = 20 MHz Gain Error Drift vs. Temperature3 65 95 ppm/°C 40 60 µV/°C Gain Error Drift vs. VDD13 ±0.6 mV/V ANALOG INPUT Input Voltage Range −320 +320 mV Full-scale range −250 +250 mV For specified performance Input Common-Mode Voltage Range −200 to +300 mV Dynamic Input Current ±45 ±50 µA VIN+ = ±250 mV, VIN− = 0 V 0.05 µA VIN+ = 0 V, VIN− = 0 V DC Leakage Current ±0.01 ±0.6 µA Input Capacitance 14 pF DYNAMIC SPECIFICATIONS VIN+ = 1 kHz Signal-to-Noise-and-Distortion Ratio (SINAD)2 81 87 dB 83 87 dB −40°C to +85°C Signal-to-Noise Ratio (SNR)2 86 88 dB Total Harmonic Distortion (THD)2 −96 dB Peak Harmonic or Spurious Noise (SFDR)2 −97 dB Effective Number of Bits (ENOB)2 13.1 14.2 Bits 13.4 14.2 Bits −40°C to +85°C Noise Free Code Resolution2 14 Bits ISOLATION TRANSIENT IMMUNITY2 25 30 kV/µs LOGIC INPUTS CMOS with Schmitt trigger Input High Voltage (VIH) 0.8 × VDD2 V Input Low Voltage (VIL) 0.2 × VDD2 V Input Current (IIN) ±0.6 µA Input Capacitance (CIN) 10 pF LOGIC OUTPUTS Output High Voltage (VOH) VDD2 − 0.1 V IO = −200 µA Output Low Voltage (VOL) 0.4 V IO = +200 µA Rev. B | Page 3 of 24 |
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