Datasheet LTC2442 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 24-Bit High Speed 4-Channel ΔΣ ADC with Integrated Amplifier |
| 页数 / 页 | 32 / 4 — DIGITAL INPUTS AND DIGITAL OUTPUTS The. denotes the specifications which … |
| 文件格式/大小 | PDF / 397 Kb |
| 文件语言 | 英语 |
DIGITAL INPUTS AND DIGITAL OUTPUTS The. denotes the specifications which apply over the
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LTC2442
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage 4.5V ≤ VCC ≤ 5.5V l 2.5 V CS, FO, EXT, SDI VIL Low Level Input Voltage 4.5V ≤ VCC ≤ 5.5V l 0.8 V CS, FO, EXT, SDI VIH High Level Input Voltage 4.5V ≤ VCC ≤ 5.5V (Note 8) l 2.5 V SCK VIL Low Level Input Voltage 4.5V ≤ VCC ≤ 5.5V (Note 8) l 0.8 V SCK IIN Digital Input Current 0V ≤ VIN ≤ VCC l –10 10 µA CS, FO, EXT, SDI IIN Digital Input Current 0V ≤ VIN ≤ VCC (Note 8) l –10 10 µA SCK CIN Digital Input Capacitance 10 pF CS, FO, EXT, SDI CIN Digital Input Capacitance (Note 8) 10 pF SCK VOH High Level Output Voltage IO = –800µA l VCC – 0.5 V SDO, BUSY VOL Low Level Output Voltage IO = 1.6µA l 0.4 V SDO, BUSY VOH High Level Output Voltage IO = –800µA (Note 9) l VCC – 0.5 V SCK VOL Low Level Output Voltage IO = 1.6µA (Note 9) l 0.4 V SCK IOZ Hi-Z Output Leakage l –10 10 µA SDO
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Supply Voltage l 4.5 5.5 V V+ Amplifier Positive Supply l 4.5 15 V V– Amplifier Negative Supply l –15 0 V ICC Supply Current Amplifiers and ADC l 10 13 mA 2442fb 4 For more information www.linear.com/LTC2442
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage 4.5V ≤ VCC ≤ 5.5V l 2.5 V CS, FO, EXT, SDI VIL Low Level Input Voltage 4.5V ≤ VCC ≤ 5.5V l 0.8 V CS, FO, EXT, SDI VIH High Level Input Voltage 4.5V ≤ VCC ≤ 5.5V (Note 8) l 2.5 V SCK VIL Low Level Input Voltage 4.5V ≤ VCC ≤ 5.5V (Note 8) l 0.8 V SCK IIN Digital Input Current 0V ≤ VIN ≤ VCC l –10 10 µA CS, FO, EXT, SDI IIN Digital Input Current 0V ≤ VIN ≤ VCC (Note 8) l –10 10 µA SCK CIN Digital Input Capacitance 10 pF CS, FO, EXT, SDI CIN Digital Input Capacitance (Note 8) 10 pF SCK VOH High Level Output Voltage IO = –800µA l VCC – 0.5 V SDO, BUSY VOL Low Level Output Voltage IO = 1.6µA l 0.4 V SDO, BUSY VOH High Level Output Voltage IO = –800µA (Note 9) l VCC – 0.5 V SCK VOL Low Level Output Voltage IO = 1.6µA (Note 9) l 0.4 V SCK IOZ Hi-Z Output Leakage l –10 10 µA SDO
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VCC Supply Voltage l 4.5 5.5 V V+ Amplifier Positive Supply l 4.5 15 V V– Amplifier Negative Supply l –15 0 V ICC Supply Current Amplifiers and ADC l 10 13 mA 2442fb 4 For more information www.linear.com/LTC2442