Datasheet LTM2884 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Isolated USB Transceiver with Isolated Power |
| Pages / Page | 24 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| Revision | C |
| File Format / Size | PDF / 1.3 Mb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
Model Line for this Datasheet
Text Version of Document
link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 10 link to page 14 link to page 14 LTM2884
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, VBUS = 5V, GND = GND2 = 0V, ON = VLO, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply
VCC Operating Supply Range (Isolated Power Input) l 4.4 12 16.5 V VBUS Operating Supply Range (USB Bus Power Input) l 4.4 5 16.5 V VCC Supply Current Power Off ON = 0V, VCC = 4.4V to 16.5V l 100 500 µA ICC VCC Supply Current Power On ICC2 = 0mA, Figure 1, LTM2884 l 50 100 mA ICC2 = 0mA, Figure 1, LTM2884(a) l 9 35 mA VBUS Supply Current Power Off ON = 0V l 10 100 µA IBUS VBUS Supply Current Power On IVLO = 0mA, Figure 1 l 6 9 mA VBUS Supply Current Suspend Mode SPNDPWR = 3.3V USB Suspend Timeout l 500 µA SPNDPWR = 0, USB Suspend Timeout l 1.5 2.0 mA VCC2 Regulated VCC2 Output Voltage, Loaded LTM2884 VCC = 4.4V, ICC2 = 200mA, Figure 1 l 4.75 5 5.25 V VCC = 8.6V, ICC2 = 500mA, Figure 1 l 4.75 5 5.25 V Regulated VCC2 Output Voltage, Loaded LTM2884(a) VCC = 4.4V, ICC2 = 200mA, Figure 1 4.75 5 5.25 V VCC = 8.6V, ICC2 = 500mA, Figure 1 4.75 5 5.25 V VCC = 4.4V, ICC2 = 200mA, Figure 1 l 4.5 5 5.5 V VCC = 8.6V, ICC2 = 500mA, Figure 1 l 4.5 5 5.5 V VCC2 Source Current High Power Mode VCC = 8.6V, Figure 1 l 500 mA VCC2 Source Current Bus Power Mode VCC = VBUS = 4.4V, Figure 1 l 200 mA VLO VLO Regulated Output Voltage IVLO = 0mA to 10mA,Figure 1 l 3.15 3.3 3.45 V VLO Output Voltage Maximum Current Figure 1 l 10 mA VLO2 VLO2 Regulated Output Voltage IVLO2 = 0mA to 10mA, Figure 1 l 3.15 3.3 3.45 V VLO2 Output Voltage Maximum Current Figure 1 l 10 mA
USB Input Levels (D1+, D1–, D2+, D2–)
VIH Single-Ended Input High Voltage l 2.0 V VIL Single-Ended Input Low Voltage l 0.8 V VHYS Single-Ended Input Hysteresis 200 mV VDIFF Differential Input Sensitivity |(D1+ – D1–)| or |(D2+ – D2–)| l 0.2 V VCM Common Mode Voltage Range |(D1+ + D1–)|/2 or |(D2+ + D2–)|/2 l 0.8 2.5 V
Logic Input Levels (ON, SPNDPWR)
VIHL Logic Input High Voltage l 2.0 V VILL Logic Input Low Voltage l 0.8 V IINL Logic Input Current l ±1 µA VHYSL Logic Input Hysteresis 200 mV
USB Output Levels (D1+, D1–, D2+, D2–)
VOL Output Low Voltage RPU = 1.5k to 3.6V, Figure 4 l 0 0.3 V VOH Output High Voltage RPD = 15k to 0V, Figure 4 l 2.8 3.6 V VCRS Differential Output Signal Cross-Point Voltage l 1.3 2.0 V
Terminations
RPU Bus Pull-Up Resistance on Upstream Facing Port D2+ or D2– Pull-Up to 3.3V 1.425 1.575 kΩ RPD Bus Pull-Down Resistance on Downstream Facing Port D2+ and D2– Pull-Down to GND2 14.25 15.75 kΩ ZDRV USB Driver Output Resistance l 28 44 Ω CINUSB USB Transceiver Pad Capacitance to GND (Note 2) 10 pF Rev. C For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Switching Characteristics Isolation Characteristics Regulatory Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Functional Table Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V, VBUS = 5V, GND = GND2 = 0V, ON = VLO, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply
VCC Operating Supply Range (Isolated Power Input) l 4.4 12 16.5 V VBUS Operating Supply Range (USB Bus Power Input) l 4.4 5 16.5 V VCC Supply Current Power Off ON = 0V, VCC = 4.4V to 16.5V l 100 500 µA ICC VCC Supply Current Power On ICC2 = 0mA, Figure 1, LTM2884 l 50 100 mA ICC2 = 0mA, Figure 1, LTM2884(a) l 9 35 mA VBUS Supply Current Power Off ON = 0V l 10 100 µA IBUS VBUS Supply Current Power On IVLO = 0mA, Figure 1 l 6 9 mA VBUS Supply Current Suspend Mode SPNDPWR = 3.3V USB Suspend Timeout l 500 µA SPNDPWR = 0, USB Suspend Timeout l 1.5 2.0 mA VCC2 Regulated VCC2 Output Voltage, Loaded LTM2884 VCC = 4.4V, ICC2 = 200mA, Figure 1 l 4.75 5 5.25 V VCC = 8.6V, ICC2 = 500mA, Figure 1 l 4.75 5 5.25 V Regulated VCC2 Output Voltage, Loaded LTM2884(a) VCC = 4.4V, ICC2 = 200mA, Figure 1 4.75 5 5.25 V VCC = 8.6V, ICC2 = 500mA, Figure 1 4.75 5 5.25 V VCC = 4.4V, ICC2 = 200mA, Figure 1 l 4.5 5 5.5 V VCC = 8.6V, ICC2 = 500mA, Figure 1 l 4.5 5 5.5 V VCC2 Source Current High Power Mode VCC = 8.6V, Figure 1 l 500 mA VCC2 Source Current Bus Power Mode VCC = VBUS = 4.4V, Figure 1 l 200 mA VLO VLO Regulated Output Voltage IVLO = 0mA to 10mA,Figure 1 l 3.15 3.3 3.45 V VLO Output Voltage Maximum Current Figure 1 l 10 mA VLO2 VLO2 Regulated Output Voltage IVLO2 = 0mA to 10mA, Figure 1 l 3.15 3.3 3.45 V VLO2 Output Voltage Maximum Current Figure 1 l 10 mA
USB Input Levels (D1+, D1–, D2+, D2–)
VIH Single-Ended Input High Voltage l 2.0 V VIL Single-Ended Input Low Voltage l 0.8 V VHYS Single-Ended Input Hysteresis 200 mV VDIFF Differential Input Sensitivity |(D1+ – D1–)| or |(D2+ – D2–)| l 0.2 V VCM Common Mode Voltage Range |(D1+ + D1–)|/2 or |(D2+ + D2–)|/2 l 0.8 2.5 V
Logic Input Levels (ON, SPNDPWR)
VIHL Logic Input High Voltage l 2.0 V VILL Logic Input Low Voltage l 0.8 V IINL Logic Input Current l ±1 µA VHYSL Logic Input Hysteresis 200 mV
USB Output Levels (D1+, D1–, D2+, D2–)
VOL Output Low Voltage RPU = 1.5k to 3.6V, Figure 4 l 0 0.3 V VOH Output High Voltage RPD = 15k to 0V, Figure 4 l 2.8 3.6 V VCRS Differential Output Signal Cross-Point Voltage l 1.3 2.0 V
Terminations
RPU Bus Pull-Up Resistance on Upstream Facing Port D2+ or D2– Pull-Up to 3.3V 1.425 1.575 kΩ RPD Bus Pull-Down Resistance on Downstream Facing Port D2+ and D2– Pull-Down to GND2 14.25 15.75 kΩ ZDRV USB Driver Output Resistance l 28 44 Ω CINUSB USB Transceiver Pad Capacitance to GND (Note 2) 10 pF Rev. C For more information www.analog.com 3 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Switching Characteristics Isolation Characteristics Regulatory Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Functional Table Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
