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AD7768BSTZ-RL7 Datasheet(PDF) 7 Page - Analog Devices |
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AD7768BSTZ-RL7 Datasheet(HTML) 7 Page - Analog Devices |
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7 / 99 page  Data Sheet AD7768/AD7768-4 Rev. A | Page 7 of 99 Parameter Test Conditions/Comments Min Typ Max Unit ACCURACY See Table 2 for 1.8 V operation INL Endpoint method ±2 ±7 ppm of FSR Offset Error4 DCLK frequency ≤ 24 MHz ±50 ±115 µV 24 MHz to 32.768 MHz DCLK frequency2 ±75 ±150 µV Offset Error Drift DCLK frequency ≤ 24 MHz ±250 nV/°C 24 MHz to 32.768 MHz DCLK frequency ±750 nV/°C Gain Error4 TA = 25°C ±30 ±70 ppm of FSR Gain Drift vs. Temperature2 ±0.5 ±1 ppm/°C VCM PIN Output With respect to AVSS (AVDD1 − AVSS)/2 V Load Regulation (∆VOUT/∆IL) 400 µV/mA Voltage Regulation Applies to the following VCM output options only: VCM = ∆VOUT/∆(AVDD1 − AVSS)/2; VCM = 1.65 V; and VCM = 2.5 V 5 µV/V Short-Circuit Current 30 mA ANALOG INPUTS See the Analog Inputs section Differential Input Voltage Range VREF = (REFx+) − (REFx−) −VREF +VREF V Input Common-Mode Range2 AVSS AVDD1 V Absolute Analog Input Voltage Limits2 AVSS AVDD1 V Analog Input Current Fast mode Unbuffered Differential component ±48 µA/V Common-mode component ±17 µA/V Precharge Buffer On5 −20 µA Input Current Drift Fast mode; see Figure 62 Unbuffered ±5 nA/V/°C Precharge Buffer On ±31 nA/°C EXTERNAL REFERENCE Reference Voltage VREF = (REFx+) − (REFx−) 1 AVDD1 − AVSS V Absolute Reference Voltage Limits2 Reference precharge buffers off AVSS − 0.05 AVDD1 + 0.05 V AVSS AVDD1 V Average Reference Current ±72 µA/V/channel ±16 µA/V/channel Average Reference Current Drift ±1.7 nA/V/°C Reference precharge buffer on Fast mode; see Figure 63 Reference precharge buffers off Reference precharge buffers on Fast mode; see Figure 63 Reference precharge buffers off Reference precharge buffers on ±49 nA/V/°C Common-Mode Rejection 95 dB DIGITAL FILTER RESPONSE Low Ripple Wideband Filter FILTER = 0 Decimation Rate Up to six selectable decimation rates; see the Decimation Rate Control section 32 1024 Group Delay Latency 34/ODR sec Settling Time Complete settling, see Table 35 68/ODR sec Pass-Band Ripple2 From dc to 102.4 kHz at 256 kSPS ±0.005 dB Pass Band ±0.005 dB bandwidth 0.4 × ODR Hz −0.1 dB bandwidth 0.409 × ODR Hz −3 dB bandwidth 0.433 × ODR Hz Stop Band Frequency Attenuation > 105 dB 0.499 × ODR Hz Stop Band Attenuation See theWideband Low Ripple Filter section 105 dB |
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Similar Description - AD7768BSTZ-RL7 |
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