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AD7770ACPZ-RL Datasheet(PDF) 10 Page - Analog Devices |
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AD7770ACPZ-RL Datasheet(HTML) 10 Page - Analog Devices |
10 / 98 page Data Sheet AD7770 Rev. C | Page 9 of 97 Parameter Test Conditions/Comments Min Typ Max Unit POWER SUPPLIES All Σ-Δ channels enabled AVDD1x − AVSSx 3.0 3.6 V IAVDD1x4, 5 Reference buffer pre-Q, VCM enabled, internal reference enabled High resolution mode 18.5 23.7 mA Low power mode 5 6.4 mA Reference buffer enabled, VCM enabled, internal reference enabled High resolution mode 20.5 26.7 mA Low power mode 5.5 7.1 mA Reference buffer disabled, VCM disabled, internal reference disabled High resolution mode 14.3 18.8 mA Low power mode 3.9 5.1 mA AVDD2x − AVSSx 2.2 3.6 V IAVDD2x High resolution mode 9 9.45 mA Low power mode 3.5 3.7 mA AVDD4 − AVSSx AVDD1x − 0.3 AVDD1x V IAVDD4 SAR enabled 1.7 2 mA SAR disabled 1 10 µA AVSSxv − DGND −1.8 0 V IOVDD − DGND 1.8 3.6 V IIOVDD High resolution mode 8 11.3 mA Low power mode 3 4.4 mA Power Dissipation6 Internal buffers bypassed, internal reference disabled, internal oscillator disabled, SAR disabled High Resolution Mode 32 kSPS 117 136 mW Low Power Mode 8 kSPS 38 44 mW Power-Down All ADCs disabled 530 μW 1 AVSSx refers to the following pins: AVSS1A, AVSS1B, AVSS2A, AVSS2B, AVSS3, and AVSS4. This term is used throughout the data sheet. 2 At temperatures higher than 105°C, the device can be operated normally, though slight degradation on the maximum/minimum specifications is expected because these specifications are only guaranteed up to 105°C. See the Typical Performance Characteristics section for plots showing the typical performance of the device at high temperatures. 3 The SDO pin and the DOUTx pin are configured in the default mode of strength. 4 AVDD1x = 3.3 V, AVSSx = GND = ground, IOVDD = 1.8 V, CMOS clock. 5 Disabling either the VCM pin or the internal reference results in a 40 µA typical current consumption reduction. 6 Power dissipation is calculated using the maximum supply voltage, 3.6 V. |
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