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AD7674 Datasheet(PDF) 4 Page - Analog Devices |
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AD7674 Datasheet(HTML) 4 Page - Analog Devices |
4 / 32 page AD7612 Rev. 0 | Page 4 of 32 Parameter Conditions/Comments Min Typ Max Unit REFERENCE BUFFER PDREF = high REFBUFIN Input Voltage Range 2.4 2.5 2.6 V EXTERNAL REFERENCE PDREF = PDBUF = high Voltage Range REF 4.75 5 AVDD + 0.1 V Current Drain 750 kSPS throughput 250 μA TEMPERATURE PIN Voltage Output @ 25°C 311 mV Temperature Sensitivity 1 mV/°C Output Resistance 4.33 kΩ DIGITAL INPUTS Logic Levels VIL −0.3 +0.6 V VIH 2.1 OVDD + 0.3 V IIL −1 +1 μA IIH −1 +1 μA DIGITAL OUTPUTS Data Format Parallel or serial 16-bit Pipeline Delay6 VOL ISINK = 500 μA 0.4 V VOH ISOURCE = –500 μA OVDD − 0.6 V POWER SUPPLIES Specified Performance AVDD 4.757 5 5.25 V DVDD 4.75 5 5.25 V OVDD 2.7 5.25 V VCC 7 15 15.75 V VEE −15.75 −15 0 V Operating Current8, 9 @ 750 kSPS throughput AVDD With Internal Reference 19.5 mA With Internal Reference Disabled 18 mA DVDD 6.5 mA OVDD 0.5 mA VCC VCC = 15 V, with internal reference buffer 3 mA VCC = 15 V 2.3 mA VEE VEE = −15 V 2 mA Power Dissipation @ 750 kSPS throughput With Internal Reference PDREF = PDBUF = low 205 230 mW With Internal Reference Disabled PDREF = PDBUF = high 190 210 mW In Power-Down Mode10 PD = high 10 μW TEMPERATURE RANGE11 Specified Performance TMIN to TMAX −40 +85 °C 1 With VIN = 0 V to 5 V or 0 V to 10 V ranges, the input current is typically 70 μA. In all input ranges, the input current scales with throughput. See the Analog Inputs section. 2 All specified performance is guaranteed up to 750 kSPS throughout, however throughputs up to 900 kSPS can be used with some linearity performance degradation. 3 Linearity is tested using endpoints, not best fit. All linearity is tested with an external 5 V reference. 4 LSB means least significant bit. All specifications in LSB do not include the error contributed by the reference. 5 All specifications in decibels are referred to a full-scale range input, FSR. Tested with an input signal at 0.5 dB below full-scale, unless otherwise specified. 6 Conversion results are available immediately after completed conversion. 7 4.75 V or VREF – 0.1 V, whichever is larger. 8 Tested in parallel reading mode. 9 With internal reference, PDREF = PDBUF = low; with internal reference disabled, PDREF = PDBUF = high. With internal reference buffer, PDBUF = low. 10 With all digital inputs forced to OVDD. 11 Consult sales for extended temperature range. |
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