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PDF STG3820 Data sheet ( Hoja de datos )
| Número de pieza | STG3820 | |
| Descripción | Low voltage high bandwidth quad DPDT switch | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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STG3820
Low voltage high bandwidth quad DPDT switch
Features
■ Ultra low power dissipation:
– ICC = 1 µA (max) at TA = 85 °C
■ Low "ON" resistance:
– RON = 5.4 Ω (TA = 25 ºC) at VCC = 4.3 V
– RON = 6.6 Ω (TA = 25 ºC) at VCC = 3.0 V
■ Wide operating voltage range:
– VCC (OPR) = 1.65 V to 4.3 V
■ 4.3 V tolerant and 1.8 V compatible threshold
on digital control input at VCC = 2.3 V to 3.0 V
■ 4 select pins controlling 2 switches each
■ Typical bandwidth (-3 dB) at 800 MHz on all
channels
■ USB (2.0) high speed (480 Mbps) signal
switching compliant
■ Integrated fail safe function
■ Latch-up performance exceeds 100 mA per
JESD 78, Class II
■ ESD performance exceeds JESD22
2000-V human body model (A114-A)
www.DataSAhepetp4Ul.iccomations
■ Mobile phones
Flip-chip 30
(2.0 x 2.4 mm)
Description
The STG3820 is a high-speed CMOS low voltage
quad analog DPDT (dual pole dual throw) switch
or 2:1 multiplexer/de-multiplexer switch fabricated
in silicon gate C2MOS technology. It is designed
to operate from 1.65 V to 4.3 V, making this
device ideal for portable applications.
The SELm-n input is provided to control the
switches. The switches nS1 and mS1 are ON
(connected to common ports Dn and Dm
respectively) when the SELm-n input is held high
and OFF (high impedance state exists between
the two ports) when SELm-n is held low. The
switches nS2 and mS2 are ON (connected to
common port Dn and Dm respectively) when the
SELm-n input is held low and OFF (high
impedance state exists between the two ports)
when SELm-n is held high.
Table 1. Device summary
The STG3820 has an integrated fail safe function
to withstand over-voltage condition when the
device is powered off. Additional key features are
fast switching speed, break-before-make-delay
time and ultra low power consumption. All inputs
and outputs are equipped with protection circuits
against static discharge, giving them ESD
immunity and transient excess voltage.
Order code
Package
Packaging
STG3820BJR
Flip-chip 30 (2.0 x 2.4 mm)
Tape & reel
December 2009
Doc ID 15992 Rev 1
1/20
www.st.com
20
1 page  
STG3820
3 Maximum ratings
Maximum ratings
Stressing the device above the rating listed in the Table 4 may cause permanent damage to
the device. These are stress ratings only and operation of the device at these or any other
conditions above those indicated in the operating sections of this specification is not implied.
Exposure to absolute maximum ratings conditions for extended periods may affect device
reliability.
Table 4. Absolute maximum ratings
Symbol
Parameter
Value
VCC Supply voltage
VI DC input voltage
VIC DC control input voltage
VO DC output voltage
IIKC DC input diode current on control pin (VSEL < 0 V)
IIK DC input diode current (VSEL < 0 V)
IOK DC output diode current
IO DC output current
IOP DC output current peak (pulse at 1ms, 10% duty cycle)
ICC or IGND DC VCC or ground current
PD Power dissipation at TA = 70 °C
Tstg Storage temperature
TL Lead temperature (10 sec)
-0.5 to 5.5
-0.5 to VCC + 0.5
-0.5 to 5.5
-0.5 to VCC + 0.5
-50
±50
±20
±128
±300
±100
1120
-65 to +150
300
Unit
V
V
V
V
mA
mA
mA
mA
mA
mA
mW
°C
°C
3.1 Recommended operating conditions
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Table 5. Recommended operating conditions
Symbol
Parameter
VCC
VI
VIC
VO
Top
dt/dv
Supply voltage
Input voltage
Control input voltage
Output voltage
Operating temperature
Input rise and fall time control VL = 1.65 V to 2.7 V
input
VL = 3.0 V to 4.3 V
Value
1.65 to 4.3
0 to VCC
0 to 4.3
0 to VCC
-40 to 85
0 to 20
0 to 10
Unit
V
V
V
V
°C
ns/V
Doc ID 15992 Rev 1
5/20
5 Page 
STG3820
5 Test circuits
Figure 3. On-resistance
S1
VS
S2
IN
GND
Figure 4. Bandwidth
www.DataSheet4U.com
S1
S2
IN
V CC
I DS
V
V CC
GND
V CC
GND
Doc ID 15992 Rev 1
Test circuits
D
CS14071
D
V OUT
CS00371
11/20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet STG3820.PDF ] | |
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