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What is MAX4947?

This electronic component, produced by the manufacturer "Maxim Integrated Products", performs the same function as "(MAX4947 / MAX4948) Hex SPDT Data Switch".


MAX4947 Datasheet PDF - Maxim Integrated Products

Part Number MAX4947
Description (MAX4947 / MAX4948) Hex SPDT Data Switch
Manufacturers Maxim Integrated Products 
Logo Maxim Integrated Products Logo 


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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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MAX4947 equivalent
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Hex SPDT Data Switch
(VCC = +3V, TA = +25°C, unless otherwise noted.)
Operating Characteristics (continued)
CHARGE INJECTION vs. VCOM
25
CL = 1nF
20
V+ = 5V
15
V+ = 3V
10
5
0
012345
VCOM (V)
LOGIC THRESHOLD vs. SUPPLY VOLTAGE
2.0
1.6
1.2
VIH
0.8 VIL
0.4
0
1.5
2.5 3.5 4.5
SUPPLY VOLTAGE (V)
5.5
FREQUENCY RESPONSE
20
ON-LOSS
0
-20
-40
-60
-80
OFF-ISOLATION
-100
CROSSTALK
-120
-140
0.0001
0.01 1
FREQUENCY (MHz)
100
SUPPLY CURRENT vs. SUPPLY VOLTAGE
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
123456
SUPPLY VOLTAGE (V)
1000
900
800
700
600
500
400
300
200
100
0
1.5
TURN-ON/-OFF TIME
vs. SUPPLY VOLTAGE
tOFF
tON
2.5 3.5 4.5
SUPPLY VOLTAGE (V)
5.5
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
RL = 600Ω
0.1
0.01
0.01
0.1 1 10
FREQUENCY (kHz)
100
SUPPLY CURRENT vs. TEMPERATURE
100
10
VCC = 5V
1
VCC = 3V
0.1
-40
-15 10 35 60
TEMPERATURE (°C)
85
TURN-ON/-OFF TIMES vs. TEMPERATURE
450
400 tON, V+ = 3V
350
tOFF, V+ = 3V
300
250
200
150
100
50 tOFF, V+ = 5V
tON, V+ = 5V
0
-40
-15 10 35 60
TEMPERATURE (°C)
85
SUPPLY CURRENT vs. LOGIC VOLTAGE
7
VCC = 5.5V
6
5
4
3
2
1
0
0 0.5 1.0 1.6 2.0 3.0 4.0 5.0 6.0
LOGIC VOLTAGE (V)
_______________________________________________________________________________________ 5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for MAX4947 electronic component.


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MAX4947The function is (MAX4947 / MAX4948) Hex SPDT Data Switch. Maxim Integrated ProductsMaxim Integrated Products
MAX4948The function is (MAX4947 / MAX4948) Hex SPDT Data Switch. Maxim Integrated ProductsMaxim Integrated Products

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