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參數(shù)資料
| 型號： | MAX4756A |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 0.5ヘ, Quad SPDT Switches in UCSP/QFN |
| 中文描述： | 0.5ヘ，四路SPDT開關(guān)的UCSP封裝/ QFN封裝 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大小： | 328K |
| 代理商： | MAX4756A |
M
0.5
Ω
, Quad SPDT Switches in UCSP/QFN
_______________________________________________________________________________________
9
Detailed Description
The MAX4754/MAX4754A/MAX4755/MAX4756/MAX4756A
low on-resistance analog switches operate from a single
+1.8V to +5.5V supply. The devices are fully specified
for nominal 3V applications.
The MAX4754/MAX4754A DPDT switch have two logic
control inputs with each input controlling two SPDT
switches. Each switch has a 0.5
Ω
on-resistance in the
NO and NC terminals making it ideal for switching
audio signals.
The MAX4755 DPDT switch also has four 0.5
Ω
SPDT
switches with the switch pairs 1 and 2 adding an 11.5
Ω
series resistor to the NC terminal. This feature allows
the user to drive an 8
Ω
speaker as a 32
Ω
load, allowing
it to be used as an ear speaker. Two logic control
inputs are used to control the four switches.
The MAX4756/MAX4756A has four 0.5
Ω
SPDT switches
controlled by one logic control input (INA) and
EN
input
to disable the switches.
Applications Information
Digital Control Inputs
The MAX4754/MAX4754A/MAX4755/MAX4756/MAX4756A
logic inputs accept up to +5.5V regardless of the sup-
ply voltage. For example, with a +3.3V supply IN_ can
be driven low to GND and high to +5.5V, which allows
mixed logic levels in a system. Driving the control logic
inputs rail-to-rail also minimizes power consumption.
For a +3V supply voltage, the logic thresholds are 0.5V
(low) and 1.4V (high).
For the MAX4756/MAX4756A, drive
EN
low to enable the
COM_. When
EN
is high, COM _ is high impedance.
Analog Signal Levels
Analog signal inputs over the full voltage range (0V to
V+) are passed through the switch with minimal change
in on-resistance (see the
Typical Operating Charac-
teristics
). The switches are bidirectional so NO_, NC_,
and COM_ can be either inputs or outputs.
Power-Supply Bypassing
Power-supply bypassing improves noise margin and pre-
vents switching noise from propagating from the V+ sup-
ply to other components. A 0.1μF capacitor connected
from V+ to GND is adequate for most applications.
UCSP Applications Information
For the latest application details on UCSP construction,
dimensions, tape carrier information, printed circuit
board techniques, bump-pad layout, and recommend-
ed reflow temperature profile, as well as the latest infor-
mation on reliability testing results, go to the Maxim
website at www.maxim-ic.com/ucsp for the Application
Note:
UCSP—A Wafer-Level Chip-Scale Package
.
MAX4754/
MAX4754A
INA
NO1
NC1
NO2
NC2
NO3
NC3
NO4
NC4
INB
COM3
COM4
COM1
COM2
HEADPHONE
(32
Ω
)
INTERNAL
SPEAKER (8
Ω
)
MAX4755
INA
NO1
NC1
NO2
NC2
NO3
NC3
NO4
NC4
INB
COM3
COM4
CAR-KIT SPEAKER (8
Ω
)
COM1
COM2
EAR SPEAKER (32
Ω
)
LOUD SPEAKER (8
Ω
)
MAX4756/
MAX4756A
NO1
NC1
NO2
NC2
NO3
NC3
NO4
NC4
EN
COM3
COM4
COM1
COM2
HEADPHONE
(32
Ω
)
11
Ω
11
Ω
INA
INTERNAL
SPEAKER (8
Ω
)
Typical Operating Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4760 | High-Bandwidth, Quad DPDT Switches |
| MAX4760EBX-T | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:3; Connector Shell Size:14; Connecting Termination:Crimp; Body Style:Straight; Circular Contact Gender:Pin; Gender:Female |
| MAX4760ETX | High-Bandwidth, Quad DPDT Switches |
| MAX4761EBX-T | High-Bandwidth, Quad DPDT Switches |
| MAX4761ETX | High-Bandwidth, Quad DPDT Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4756EBE | 制造商:Maxim Integrated Products 功能描述: |
| MAX4757EBE | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4757ETE | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4758EBX | 制造商:Maxim Integrated Products 功能描述:QUAD DPDT AUDIO/DATA SWITCH IN UCSP - Rail/Tube |
| MAX4758EBX+ | 制造商:Maxim Integrated Products 功能描述:ANLG SW QUAD DPDT 5.5V 36UCSP - Rail/Tube |
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