Datasheet LTC6754 (Analog Devices) - 6

LTC6754
elecTrical characTerisTics (VCCI = VCCO = 2.5V) The
l
denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C, LE/HYST, SHDN pins floating, VOVERDRIVE = 50mV, –IN = VCM = 300mV, +IN = –IN + VOVERDRIVE, 150mV step size, RL=100Ω , unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
tJIT_RMS RMS Jitter, Sine Wave Input VIN = 200mVP–P fIN = 245.76MHz, Jitter BW = 10Hz – 122.88MHz 1.6 ps fIN = 245.76MHz, Jitter BW = 12kHz – 20MHz 0.73 ps fIN = 100MHz, Jitter BW = 10Hz – 50MHz 2.2 ps fIN = 100MHz, Jitter BW = 12kHz – 20MHz 1.36 ps fIN = 61.44MHz, Jitter BW = 10Hz – 30.72MHz 3 ps fIN = 61.44MHz, Jitter BW = 12kHz – 20MHz 2.4 ps fIN = 10MHz, Jitter BW = 10Hz – 5MHz 19 ps
Latching/Adjustable Hysteresis Characteristics
VLE/HYST LE/HYST Pin Voltage Open Circuit l 1.05 1.25 1.45 V RHYST Resistor Value at LE/HYST LE/HYST Pin Voltage < Open Circuit Value l 11.6 14.5 17.6 kΩ VHYST_LARGE Hysteresis Voltage VLE/HYST = 800mV 43 mV VIL_LE Latch Pin Voltage, Latch Guaranteed l 0.4 V VIH_LE Latch Pin Voltage, Hysteresis Disabled l 1.7 V IIH_LE Latch Pin Current High VLE/HYST = 1.7V l 31 70 µA IIL_LE Latch Pin Current Low VLE/HYST = 0.4V l –78 –58 µA tSETUP Latch Setup Time 2 ns tHOLD Latch Hold Time –2 ns tPL Latch to Output Delay 3 ns
Shutdown Characteristics
ISD_VCCI Shutdown Mode Input Stage Supply Current VSHDN = 0.8V 650 880 μA l 970 µA ISD_VCCO Shutdown Mode Output Stage Supply Current VSHDN = 0.8V 240 370 μA l 380 µA ISD_TOT Shutdown Mode Total Supply Current VSHDN = 0.8V 0.89 1.25 mA l 1.35 mA tSD Shutdown Time Output Hi-Z 110 ns VIH_SD Shutdown Pin Voltage High Part Guaranteed to be Powered On l 2 V VIL_SD Shutdown Pin Voltage Low Part Guaranteed to be Powered Off 0.8 V tWAKEUP Wake-Up Time from Shutdown VOVERDRIVE = 100mV, Output Valid 120 ns
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 5:
Supply voltage range is guaranteed by the PSRR test. may cause permanent damage to the device. Exposure to any Absolute
Note 6:
Both hysteresis and offset are measured by determining positive Maximum Rating condition for extended periods may affect device and negative trip points (input values needed to change the output in the reliability and lifetime. opposite direction). Hysteresis is defined as the difference of the two trip
Note 2:
Reverse biased ESD protection exists on all input, shutdown, points and offset as the average of the two trip points. latching/hysteresis and output pins. If the voltage on the input, shutdown,
Note 7:
Guaranteed by CMRR spec. or latching/hysteresis pins goes beyond either input supply, the current
Note 8:
Propagation delays are measured with a step size of 150mV. should be limited to less than 10mA. This parameter is guaranteed to meet specification through design and/or characterization. It is not production
Note 9:
Latch setup time is defined as the minimum time before the tested.
LE
/HYST pin is asserted low for an input signal change to be acquired and held at the output. Latch hold time is defined as the minimum time before
Note 3:
A heat sink may be required to keep the junction temperature an input signal change for a high to low transition on the LE/HYST pin to below the absolute maximum rating. This parameter is guaranteed to meet prevent the output from changing. Latch enable pulse width is defined as specified performance through design and/or characterization. It is not the minimum time for the LE/HYST pin to be held high for an input change production tested. to affect the output. See Figure 7 for a graphical definition of these terms.
Note 4:
The LTC6754I is functional and guaranteed to meet specified
Note 10:
The devices have effectively infinite gain when hysteresis is performance from –40 °C to 85 °C. The LTC6754H is functional and enabled. guaranteed to meet specified performance from –40 °C to 125 °C. 6754f 6 For more information www.linear.com/LTC6754 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts