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PDF A4722 Data sheet ( Hoja de datos )
| Número de pieza | A4722 | |
| Descripción | QUAD SPDT ANALOG SWITCH | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de A4722 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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AiT Semiconductor Inc.
www.ait-ic.com
A4722
QUAD SPDT ANALOG SWITCH
0.4Ω , LOW VOLTAGE ,WIDE POWER SUPPLY RANGE
DESCRIPTION
FEATURES
The A4722 is a Dual Wide-Bandwidth, fast single-pole
double-throw(SPDT) CMOS switch featuring an
On-Resistance of 0.4 ohm at VDD=2.7V and wide
power supply range from 1.6V to 4.2V.
The A4722 can be used as an analog switch or as a
low-delay bus switch.
Break-before-make function for both parts eliminates
signal disruption during switching from preventing both
switches being enabled simultaneously.
Wide Power Supply Range:1.6V to 4.2V
Low On-Resistance: 0.4Ω (VDD=2.7V)
Low On-Resistance Flatness
-3dB Bandwidth: 42 MHz
Fast Switching Speed(VDD=3.3V):
tON: 20ns
tOFF:10ns
IDD = 300nA @ TA = +25°C
High Off Isolation: -65dB
Crosstalk Rejection: -65dB
Available in QFN16(3x3)
The A4722 is available in QFN16(3x3).
ORDERING INFORMATION
Package Type
QFN16
Note
Part Number
A4722Q16R
Q16 A4722Q16VR
R: Tape & Reel
V: Green Package
AiT provides all Pb free products
Suffix “ V” means Green Package
APPLICATION
Wireless Handsets
Portable electronic devices
PDAs
Audio & Video Switching
PCMCIA Cards
Computer Peripherals
Modems
REV1.0 - SEP2009 RELEASED -
-1-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
A4722
QUAD SPDT ANALOG SWITCH
0.4Ω , LOW VOLTAGE ,WIDE POWER SUPPLY RANGE
ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Conditions
VDD Min Typ Max Units
AC ELECTICAL CHARACTERISTICS
VCOM = 2V; RL = 50Ω;
4.2
20 25
tON Turn On Time
- ns
CL= 35pF
3.3 20 25
VCOM = 2V; RL = 50Ω;
4.2
10 15
tOFF Turn Off Time
- ns
CL = 35pF
3.3 10 15
tBBM
Break Before
Make Time
VIN = 1.5V; RL = 50Ω;
4.2
13 16
CL = 35pF
- ns
3.3 13 16
CNC(OFF) or
CNO(OFF)
CNC(ON) or CNO(ON)
NC/NO OFF
Capacitance
NC/NO ON
Capacitance
f = 1MHz
f = 1MHz
4.2 50
--
3.3 50
4.2 - 135
-
3.3 - 135
pF
pF
ADDITIONAL APPLICATION CHARACTERISTICS
f3dB
3dB Bandwidth
VIN Centered Between 4.2
VDD and GND
3.3
42
- MHz
42
Charge injection
VGEN = 0V; RGEN = 0Ω;
4.2
100
Q select input to
- - pC
common I/O
CL = 1nF
3.3 100
VISO
Off Isolation(4)
4.2 -65
f = 100kHz; RL = 50Ω 3.3 - -65 - dB
Cross talk between
4.2 -65
VCT two switch(5) f = 100kHz; RL = 50Ω 3.3 - -65 - dB
SUPPLY
VDD Power supply range
- 1.5 - 4.4 V
Maximum Quiescent
IDD VA = VDD or GND
supply current
4.2 -
- 1.5 uA
Note:
(4) Off Channel Isolation= 20log 10[(VNO\NC)/VCOM]
(5) Between any two switches
REV1.0 - SEP2009 RELEASED -
-5-
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet A4722.PDF ] | |
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