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ADUM7703 Datasheet(PDF) 3 Page - Analog Devices |
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ADUM7703 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 22 page  Data Sheet ADuM7703 Rev. 0 | Page 3 of 22 SPECIFICATIONS VDD1 = 4.5 V to 20 V, VDD2 = 3 V or 5.5 V, VIN+ = −250 mV to +250 mV, VIN− = 0 V, TA = −40°C to +125°C (16-lead SOIC_W), TA = −40°C to +105°C (8-lead SOIC_IC), MCLKIN frequency (fMCLKIN) = 20 MHz, tested with a sinc3 filter, and a 256 decimation rate, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments STATIC PERFORMANCE Resolution 16 Bits Filter output truncated to 16 bits Integral Nonlinearity (INL)1 ±2 ±5 LSB Differential Nonlinearity (DNL)1 ±0.99 LSB Guaranteed no missed codes to 16 bits Offset Error1 ±0.05 ±0.13 mV Initial at TA = 25°C ±0.1 ±0.18 mV Offset Drift vs. Temperature1 ±0.1 ±0.6 μV/°C Offset Drift vs. VDD1 ±0.1 μV/V Gain Error1 ±0.2 % FSR Initial at TA = 25°C Gain Error Drift vs. Temperature1 ±12.5 ±28 ppm/°C ±8 ±18 μV/°C Gain Error Drift vs. VDD1 ±5 ppm/V ANALOG INPUT Input Voltage Range −320 +320 mV Full-scale range −250 +250 mV For specified performance Input Common-Mode Voltage Range −0.2 to +0.8 V Dynamic Input Current ±1 ±2 μA VIN+ = ±250 mV, VIN− = 0 V 0.05 μA VIN+ = 0 V, VIN− = 0 V DC Leakage Current ±0.01 μA Input Capacitance 25 pF DYNAMIC SPECIFICATIONS VIN+ = 1 kHz Signal-to-Noise-and-Distortion Ratio (SINAD)1 82 86 dB SNR1 83 86 dB Total Harmonic Distortion (THD)1 −84 −99 dB Peak Harmonic or Spurious-Free Dynamic Range Noise (SFDR)1 −97 dB Effective Number of Bits (ENOB)1 13.3 14 Bits ISOLATION COMMON-MODE TRANSIENT IMMUNITY (CMTI)1 Common-mode voltage (|VCM|) = 2 kV Static and Dynamic 75 150 kV/μs VDD2 = 5.5 V 150 kV/μs VDD2 = 3.3 V LOGIC INPUTS CMOS with Schmitt trigger Input High Voltage (VIH) 0.7 × VDD2 V Input Low Voltage (VIL) 0.3 × VDD2 V Input Current (IIN) ±0.6 μA Input Capacitance (CIN) 10 pF LOGIC OUTPUTS Output High Voltage (VOH) VDD2 − 0.4 VDD2 − 0.2 V Output current (IOUT) = −4 mA Output Low Voltage (VOL) 0.2 0.4 V IOUT = 4 mA |
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