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MAX4948 PDF даташит

Спецификация MAX4948 изготовлена ​​​​«Maxim Integrated Products» и имеет функцию, называемую «(MAX4947 / MAX4948) Hex SPDT Data Switch».

Детали детали

Номер произв MAX4948
Описание (MAX4947 / MAX4948) Hex SPDT Data Switch
Производители Maxim Integrated Products
логотип Maxim Integrated Products логотип 

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MAX4948 Даташит, Описание, Даташиты
www.DataSheet4U.com
19-0673; Rev 0; 11/06
Hex SPDT Data Switch
General Description
The MAX4947/MAX4948 analog switches operate from a
single +1.8V to +5.5V supply. These switches feature a
low 30pF (typ) capacitance for high-speed data switch-
ing applications.
The MAX4947 is a triple double-pole/double-throw (DPDT)
switch, and the MAX4748 is a hex single-pole/double-
throw (SPDT) switch with one control logic input. The
MAX4947 has three logic inputs to control the switches in
pairs. The MAX4948 has one logic input and an enable
input (EN) to disable the switches.
The MAX4947/MAX4948 are available in small 24-pin
(4mm x 4mm) TQFN and 25-bump (2.5mm x 2.5mm)
chip-scale packages (UCSP).
Applications
USB Signal Switching
UART Signal Switching
SDIO/Memory Stick
Cell Phones
PDAs
UCSP is a trademark of Maxim Integrated Products, Inc.
COM1
COM2
COM3
COM4
COM5
COM6
VCC
S1
S2
S3
S4
S5
S6
MAX4947
GND
CB12
NO1
NC1
NO2
NC2
CB34
NO3
NC3
NO4
NC4
CB56
NO5
NC5
NO6
NC6
Features
Multiplex SDIO or Memory Stick Interfaces
1.8V to 5.5V Supply Voltage Range
Low On-Resistance 4Ω (typ)
Low-Capacitance Switches, 30pF (typ)
Rail-to-Rail Signal Handling
Small 25-Bump UCSP(2.5mm x 2.5mm) and
24-TQFN (4mm x 4mm)
Ordering Information
PART
TEMP
RANGE
PIN-
PACKAGE
PKG
CODE
MAX4947EBA+* -40°C to +85°C 25 UCSP-25 B25-1
MAX4947ETG+ -40°C to +85°C 24 TQFN-EP T2444-4
MAX4948EBA+* -40°C to +85°C 25 UCSP-25 B25-1
MAX4948ETG+* -40°C to +85°C 24 TQFN-EP T2444-4
* Future product—contact factory for availability.
+ Denotes lead-free package.
EP = Exposed paddle.
Typical Operating Circuit appears at end of data sheet.
Functional Diagram
VCC
COM1
COM2
CB
NO1
S1
NC1
NO2
S2
NC2
COM3
COM4
NO3
S3
NC3
NO4
S4
NC4
COM5
COM6
EN
S5
S6
MAX4948
GND
NO5
NC5
NO6
NC6
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.









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MAX4948 Даташит, Описание, Даташиты
www.DataSheet4U.com
Hex SPDT Data Switch
ABSOLUTE MAXIMUM RATINGS
VCC to GND ...........................................................-0.3V to +6.0V
All other pins to GND (Note 1) ......................-0.3V to VCC + 0.3V
Continuous Current
NO_, NC_, COM_ .......................................................±100mA
Peak Current NO_, NC_, COM_
(pulsed at 1ms, 50% Duty Cycle)................................±200mA
(pulsed at 1ms, 10% Duty Cycle)................................±300mA
Continuous Power Dissipation (TA = +70°C)
25-Bump UCSP (derate 12.2mW/°C above +70°C) ....976mW
24-Pin TQFN (derate 20.8mW/°C above +70°C) .......1667mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ........................................................150°C
Storage Temperature Range .............................-65°C to +150°C
Bump Temperature (soldering)
Infrared (15s) ...............................................................+220°C
Vapor Phase (60s) ...........................................................+215°C
Lead Temperature (soldering) .........................................+300°C
Note 1: Signals on CB_, NO_, NC_, COM_, EN exceeding VCC or GND are clamped by internal diodes. Limit forward-diode current
to maximum current rating.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +3V, TA = +25°C.) (Notes 2, 3)
PARAMETER
POWER SUPPLY
SYMBOL
CONDITIONS
TA MIN TYP MAX UNITS
Power-Supply Range
Power-Supply Current
ANALOG SWITCH
VCC
TMIN to
TMAX
1.8
VCC = 5.5V, VCB_ = 0V or VCC
ICC
VCC = 2.7V, VCB_ = 1.6V or 0.5V
TMIN to
TMAX
VCC = 5.5V, VCB_ = 1.6V or 0.5V
5.5 V
1.0
5 µA
10
Analog Signal Range
VNO_, VNC_,
VCOM_,
TMIN to
TMAX
0
VCC
V
On-Resistance (Note 4)
RON
VCC = 2.7V, ICOM_ = 10mA;
VNC_ or VNO_ = 0 or VCC
On-Resistance Match Between
Channels (Notes 4, 5)
ΔRON
VCC = 2.7V, ICOM_ = 10mA;
VNO_ or VNC_ = 0 or VCC
On-Resistance Flatness
(Notes 4, 6)
RFLAT
VCC = 2.7V, ICOM_ = 10mA;
VNC_ or VNO_ = 0 or VCC
NO_ or NC_ Off-Leakage
Current
COM_ On-Leakage Current
INO_(OFF) or VCC = 3.6V; VCOM_ = 3.6V, 0;
INC_(OFF) VNO_ or VNC_ = 0, 3.6V
INO_(ON)
VCC = 3.6V; VCOM_ = 3.6V, 0;
VNO_ or VNC_ = 3.6V, 0 or
unconnected
+25°C
4.0 5.5
TMIN to
TMAX
Ω
6.5
+25°C
0.3 0.5
TMIN to
TMAX
Ω
0.6
+25°C
0.5 1
TMIN to
TMAX
Ω
1.2
+25°C
-3
+3
TMIN to
TMAX
-10
nA
+10
+25°C
-6
+6
TMIN to
TMAX
-10
nA
+10
2 _______________________________________________________________________________________









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MAX4948 Даташит, Описание, Даташиты
www.DataSheet4U.com
Hex SPDT Data Switch
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.7V to +5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +3V, TA = +25°C.) (Notes 2, 3)
PARAMETER
COM_ Off-Leakage Current
SYMBOL
CONDITIONS
ICOM_(OFF)
VCC = 3.6V (MAX4948);
VCOM_ = 3.3V, 0.3V;
VNO_ or VNC_ = 0, 3V, 3.3V
TA
+25°C
TMIN to
TMAX
DYNAMIC
Turn-On Time
VCC = 2.7V; VNO_ or VNC_= 1.5V;
tON RL = 50Ω;
CL = 35pF, Figure 1
Turn-Off Time
tOFF
VCC = 2.7V; VNO_ or VNC_= 1.5V;
RL = 50Ω;
CL = 35pF, Figure 1
Break-Before-Make
tBBM
VCC = 2.7V; VNO_ or VNC_= 1.5V;
RL = 50Ω; CL = 35pF, Figure 2
(Note 7)
HIGH-SPEED TIMING CHARACTERISTICS (rising time = 20ns)
+25°C
TMIN to
TMAX
+25°C
TMIN to
TMAX
+25°C
TMIN to
TMAX
Skew
Charge Injection
tSKEW
Q
VCC = 2.7V; RS = 39Ω; CL = 50pF,
Figure 3
VGEN = 0, RGEN = 0, CL = 1nF ,
Figure 4
TMIN to
TMAX
+25°C
-3dB Bandwidth
Off-Isolation
BW
VISO
Signal = 0dBm, CL = 5pF,
RL = 50Ω, Figure 5
CL = 5pF; RL = 50Ω;
VCOM_ = 1VP-P, f = 1MHz,
Figure 5 (Note 8)
+25°C
+25°C
Crosstalk
NC_ or NO_ Off-Capacitance
COM_ Off-Capacitance
VCT
CNC_(OFF)
CNO_(OFF)
CCOM_(OFF)
CL = 5pF; RL = 50Ω; f = 1MHz,
VCOM_ = 1VP-P, Figure 5 (Note 9)
NC_ = NO_ = 0V, f = 1MHz
Figure 6
VCOM = GND, f = 1MHz
(MAX4948), Figure 6
+25°C
+25°C
+25°C
COM_ On-Capacitance
DIGITAL I/O (EN, CB_)
CCOM_(ON) COM_ = 0V, f = 1MHz, Figure 6 +25°C
Input-Logic High
Input-Logic Low
Input Leakage Current
VIH
VIL
ICB VCB_ = 0 or VCC
TMIN to
TMAX
TMIN to
TMAX
TMIN to
TMAX
MIN
-6
-10
2
1.6
TYP
400
300
100
0.2
10
300
-70
-90
15
25
30
MAX
+6
+10
UNITS
nA
800
ns
800
800
ns
800
ns
ns
pC
MHz
dB
dB
pF
pF
pF
V
0.5 V
1 µA
_______________________________________________________________________________________ 3










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