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AD5291BRUZ-20 Arkusz danych(PDF) 7 Page - Analog Devices |
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AD5291BRUZ-20 Arkusz danych(HTML) 7 Page - Analog Devices |
7 / 32 page AD5291/AD5292 Rev. D | Page 7 of 32 Parameter Symbol Conditions Min Typ1 Max Unit DYNAMIC CHARACTERISTICS5, 10 Bandwidth BW −3 dB kHz RAB = 20 kΩ 520 RAB = 50 kΩ 210 RAB = 100 kΩ 105 Total Harmonic Distortion THDW VA = 1 V rms, VB = 0 V, f = 1 kHz dB RAB = 20 kΩ −93 RAB = 50 kΩ −101 RAB = 100 kΩ −106 VW Settling Time tS VA = 30 V, VB = 0 V, ±0.5 LSB error band, initial code = zero scale, board capacitance = 170 pF Code = full-scale, normal mode 750 ns Code = full-scale, R-Perf mode 2.5 μs Code = half-scale, normal mode μs RAB = 20 kΩ 2.5 RAB = 50 kΩ 7 RAB = 100 kΩ 14 Code = half-scale, R-Perf mode μs RAB = 20 kΩ 5 RAB = 50 kΩ 9 RAB = 100 kΩ 16 Resistor Noise Density eN_WB Code = half-scale, TA = 25°C, 0 kHz to 200 kHz nV/√Hz RAB = 20 kΩ 10 RAB = 50 kΩ 18 RAB = 100 kΩ 27 1 Typical values represent average readings at 25°C, VDD = 15 V, VSS = −15 V, and VLOGIC = 5 V. 2 Resistor position nonlinearity error. R-INL is the deviation from an ideal value measured between the RWB at code 0x00B to code 0x3FF or between RWA at code 0x3F3 to code 0x000. R-DNL measures the relative step change from ideal between successive tap positions. The specification is guaranteed in resistor performance mode, with a wiper current of 1 mA for VA < 12 V and 1.2 mA for VA ≥ 12 V. 3 Resistor performance mode (see the Resistor Performance Mode section). The terms resistor performance mode and R-Perf mode are used interchangeably. 4 Guaranteed by design and characterization, not subject to production test. 5 INL and DNL are measured at VW with the RDAC configured as a potentiometer divider similar to a voltage output DAC. VA = VDD and VB = 0 V. DNL specification limits of ±1 LSB maximum are guaranteed monotonic operating conditions. 6 Resistor Terminal A, Resistor Terminal B, and Resistor Terminal W have no limitations on polarity with respect to each other. Dual-supply operation enables ground- referenced bipolar signal adjustment. 7 Different from operating current; supply current for fuse program lasts approximately 550 μs. 8 Different from operating current; supply current for fuse read lasts approximately 550 μs. 9 PDISS is calculated from (IDD × VDD) + (ISS × VSS) + (ILOGIC × VLOGIC). 10 All dynamic characteristics use VDD = 15 V, VSS = −15 V, and VLOGIC = 5 V. RESISTOR PERFORMANCE MODE CODE RANGE Table 5. RAB = 20 kΩ |VDD − VSS| = 30 V to 33 V |VDD − VSS| = 26 V to 30 V |VDD − VSS| = 22 V to 26 V |VDD − VSS| = 21 V to 22 V Resistor Tolerance per Code RWB RWA RWB RWA RWB RWA RWB RWA 1% R-Tolerance From 0x15E to 0x3FF From 0x000 to 0x2A1 From 0x1F4 to 0x3FF From 0x000 to 0x20B From 0x1F4 to 0x3FF From 0x000 to 0x20B N/A N/A 2% R-Tolerance From 0x8C to 0x3FF From 0x000 to 0x373 From 0xB4 to 0x3FF From 0x000 to 0x34B From 0xFA to 0x3FF From 0x000 to 0x305 From 0xFA to 0x3FF From 0x000 to 0x305 3% R-Tolerance From 0x5A to 0x3FF From 0x000 to 0x3A5 From 0x64 to 0x3FF From 0x000 to 0x39B From 0x78 to 0x3FF From 0x000 to 0x387 From 0x78 to 0x3FF From 0x000 to 0x387 |
Podobny numer części - AD5291BRUZ-20 |
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Podobny opis - AD5291BRUZ-20 |
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