Datasheet LTC4332 (Analog Devices) - 3

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ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, VL = 3.3V, GND = 0V unless otherwise noted. (Note 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VTH Differential Input Signal Threshold –25V < VCM < 25V (Note 2) l ±200 mV
Logic
VIH High Level Input Voltage (ON, SCK, MISO, MOSI, 1.62V ≤ VL ≤ 5.5V l 0.8 • VL V SS1, SS2, SS3, SSC, INT, REMOTE) VIH3ST High Level Input Voltage (SPEED1, SPEED2) l VL – 0.25 V VIM3ST Mid Level Input Voltage (SPEED1, SPEED2) l 0.45 • VL 0.55 • VL V VIL3ST Low Level Input Voltage (SPEED1, SPEED2) l 0.25 V VIL Low Level Input Voltage (ON, SCK, MISO, MOSI, 1.62V ≤ VL ≤ 5.5V l 0.2 • VL V SS1, SS2, SS3, SSC, INT, REMOTE) Digital Input Current (ON, REMOTE, SPEED1, VIN = 0V to VL l ±60 µA SPEED2) Digital Input Current (SCK, MOSI, SS1, SS2, VIN = 0V to VL, REMOTE = 0 l ±60 µA SS3, SSC) Digital Input Current (MISO) VIN = 0V to VL, REMOTE = 1 l ±60 µA Digital Input Current (INT) VIN = 0V to VL, REMOTE = 1 l ±5 µA CIN Digital Input Capacitance (Note 2) 10 pF VOH High Level Output Voltage IO = –500µA, 1.62V ≤ VL ≤ 5.5V l VL – 0.2 V VOL Low Level Output Voltage IO = 500µA, 1.62V ≤ VL ≤ 5.5V l 0.2 V IOZ High-Z Output Leakage Current (LINK, INT) l ±5 µA High-Z Output Leakage Current (MOSI) REMOTE = 1 l ±60 µA High-Z Output Leakage Current (MISO) REMOTE = 0 l ±60 µA Output Source Current (Short-Circuit) ±80 mA
SWITCHING CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, VL = 3.3V, GND = 0V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS General
tON_LOW Pulse Width of ON low for Valid Reset Condition (Figure 6) l 1 µs tREADY ON Rise to Control Interface (SSC) Ready l 15 µs tSSF_PROP Local Slave Select Fall to Remote Slave Select Fall (Note 3)(Figure 9) 0.4 • SF 1 • SF 13 • SF µs Propagation Delay tSCKR_PROP Local SCK Rise to Remote SCK Fall and MOSI Update (CPOL, CPHA) = (1,1) 0.7 • SF µs Propagation Delay Local SCK Rise to Remote SCK Rise and MOSI Update (CPOL, CPHA) = (0,1) 0.7 • SF µs Propagation Delay Local SCK Rise to MOSI Update Propagation Delay (CPOL, CPHA) = (0,0) or (1,0) 0.7 • SF µs tSSR_PROP Local Slave Select Rise to Remote SCK Fall (CPOL, CPHA) = (0,0) 0.7 • SF µs Propagation Delay Local Slave Select Rise to Remote SCK Rise (CPOL, CPHA) = (1,0) 0.7 • SF µs Propagation Delay tINT_PROP Remote INT to Local INT Propagation Delay (Note 3) 0.4 • SF 1 • SF 13 • SF µs tREMOTE_RESET Delay from Local ON Low for Valid Remote Reset l 180 ms Condition tR, tF Logic Output Rise/Fall (SCK, MISO, MOSI) CL = 20pF l 8 ns Rev. A For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Switching Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagram Applications Information Package Description Typical Application Related Parts