Datasheet LTC2488 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 16-Bit 2-/4-Channel ΔΣ ADC with Easy Drive Input Current Cancellation |
| 页数 / 页 | 30 / 4 — DIGITAL. INPUTS AND DIGITAL OUTPUTS The. denotes the specifications which … |
| 文件格式/大小 | PDF / 399 Kb |
| 文件语言 | 英语 |
DIGITAL. INPUTS AND DIGITAL OUTPUTS The. denotes the specifications which apply over the
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LTC2488
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 (CS, FO, SDI) 2.7V ≤ VCC ≤ 5.5V (Note 18) l VCC – 0.5 V VIL Low Level Input Voltage (CS, FO, SDI) 2.7V ≤ VCC ≤ 5.5V l 0.5 V VIH High Level Input Voltage (SCK) 2.7V ≤ VCC ≤ 5.5V (Notes 10, 15) l VCC – 0.5 V VIL Low Level Input Voltage (SCK) 2.7V ≤ VCC ≤ 5.5V (Notes 10, 15) l 0.5 V I l IN Digital Input Current (CS, FO, SDI) 0V ≤ VIN ≤ VCC –10 10 µA IIN Digital Input Current (SCK) 0V ≤ VIN ≤ VCC (Notes 10, 15) l –10 10 µA CIN Digital Input Capacitance (CS, FO, SDI) 10 pF CIN Digital Input Capacitance (SCK) (Notes 10, 15) 10 pF VOH High Level Output Voltage (SDO) IO = –800µA l VCC – 0.5 V VOL Low Level Output Voltage (SDO) IO = 1.6mA l 0.4 V VOH High Level Output Voltage (SCK) IO = –800µA (Notes 10, 17) l VCC – 0.5 V VOL Low Level Output Voltage (SCK) IO = 1.6mA (Notes 10, 17) l 0.4 V IOZ Hi-Z Output Leakage (SDO) l –10 10 µA
POWER REQUIREMENTS 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
VCC Supply Voltage l 2.7 5.5 V ICC Supply Current Conversion Current (Note 12) l 160 275 µA Sleep Mode (Note 12) l 1 2 µA 2488fb 4 For more information www.linear.com/LTC2488
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 (CS, FO, SDI) 2.7V ≤ VCC ≤ 5.5V (Note 18) l VCC – 0.5 V VIL Low Level Input Voltage (CS, FO, SDI) 2.7V ≤ VCC ≤ 5.5V l 0.5 V VIH High Level Input Voltage (SCK) 2.7V ≤ VCC ≤ 5.5V (Notes 10, 15) l VCC – 0.5 V VIL Low Level Input Voltage (SCK) 2.7V ≤ VCC ≤ 5.5V (Notes 10, 15) l 0.5 V I l IN Digital Input Current (CS, FO, SDI) 0V ≤ VIN ≤ VCC –10 10 µA IIN Digital Input Current (SCK) 0V ≤ VIN ≤ VCC (Notes 10, 15) l –10 10 µA CIN Digital Input Capacitance (CS, FO, SDI) 10 pF CIN Digital Input Capacitance (SCK) (Notes 10, 15) 10 pF VOH High Level Output Voltage (SDO) IO = –800µA l VCC – 0.5 V VOL Low Level Output Voltage (SDO) IO = 1.6mA l 0.4 V VOH High Level Output Voltage (SCK) IO = –800µA (Notes 10, 17) l VCC – 0.5 V VOL Low Level Output Voltage (SCK) IO = 1.6mA (Notes 10, 17) l 0.4 V IOZ Hi-Z Output Leakage (SDO) l –10 10 µA
POWER REQUIREMENTS 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
VCC Supply Voltage l 2.7 5.5 V ICC Supply Current Conversion Current (Note 12) l 160 275 µA Sleep Mode (Note 12) l 1 2 µA 2488fb 4 For more information www.linear.com/LTC2488