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SPUSB1AJT Datasheet(PDF) 2 Page - Littelfuse

Part No. SPUSB1AJT
Description  TVS Diode Arrays - Upstream USB Port Terminator with ESD Suppression & EMI Filtering
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Maker  LITTELFUSE [Littelfuse]
Homepage  http://www.littelfuse.com
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SPUSB1AJT Datasheet(HTML) 2 Page - Littelfuse

   
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TVS Diode Arrays
SPUSB1 Series
Upstream USB Port Terminator with ESD Suppression & EMI Filtering
Absolute Maximum Ratings
Supply Voltage V
Parameter
Rating
Unit
BUS
DC Power per Resistor
Package Power
Temperature Range:
Operating
Storage
5.5
100
200
-40 to +85
-65 to +150
V
mW
mW
C
°
Resistance R1 (SPUSB1AJT only)
Parameter
Unit
Specifications
(at 25°C unless specified otherwise)
Resistance R1 (SPUSB1CJT only)
Resistance R1 (SPUSB1BJT only)
Resistance R2
Capacitance C1 @ 2.5 v DC, 1MHz
Diode Leakage at 3.3V
Diode Reverse Bias Stand-off Voltage, 1= 10µA
Signal Clamp Voltage:
Positive Clamp, 10mA
Negative Clamp, 10mA
In-system ESD Withstand Voltage
Human Body Model (MIL-STD-883D, method 3015
IEC 81000-4-2, contact discharge method (I/O pins)
IEC 81000-4-2, contact discharge method (V
pin)
(1)
BUS
Clamping Voltage During ESD Discharge
MIL-STD-883D (Method 3015), 8kV
(1)
MAX
TYP
MIN
kΩ
pF
nA
V
12
33
22
1.5
47
1
6%
26%
18%
1.2%
38%
5.5
14%
40%
26%
18%
56%
100
Positive
Negative
5.6
-1.2
6.8
-0.8
8.0
-0.4
V
V
±30
±15
±25
kV
kV
kV
V
V
10
-5
Note:
(1) ESD applied to input/outputV
pins with respect to GND, one at a time.
Clamping Voltage is measured at the opposite side of the EMI filter to the ESD pin (ie: if ESD is applied to pin1 then clamping
voltage is measured at pin 6). Unused pins are open.
These parameters guaranteed by design.
DD
Standard
2
C1
GND
D1
D2
D3
D4
1
3
C1
5
6
4
R2
3.3V
R1
R1
VBUS
D+
USB 1.1
CONNECTOR
D-
D+
USB 1.1
CONTROLLER
IC
D-
GND
2
C1
GND
D1
D2
D3
D4
1
3
C1
5
6
4
R2
3.3V
R1
R1
VBUS
D-
USB 1.1
CONNECTOR
D+
D-
USB 1.1
CONTROLLER
IC
D+
GND
Figure 1. Full-Speed Devices (12Mbits per second)
For full speed operation the pull-up resistor R2 is connected to the D+ pin.
Figure 2. Low-Speed Devices (1.5Mbits per second)
Low speed connection requires the pull-up resistor R2 to be connected to the D-
pin. Please note the reversal of the D- and D+ pins on Figure 2 versus Figure 1.
APPLICATIONS INFORMATION


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