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| 型号： | MAX4909ETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC MULTIPLEXER DUAL 3X1 14TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 功能： | 多路复用器 |
| 电路： | 2 x 3:1 |
| 导通状态电阻： | 800 毫欧 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 标准包装 |
| 其它名称： | MAX4909ETD+TDKR |
MAX4908/MAX4909/MAX4930/MAX4932
Dual 3:1 Clickless Audio Multiplexers
with Negative-Signal Handling
________________________________________________________________
Maxim Integrated Products
1
19-3958; Rev 2; 6/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
MAX4908
MAX4909
MAX4930
MAX4932
TDFN
(3mm x 3mm)
24
5
13
11
10
Y1
1
14
3
12
Y2
Y
CB2
N.C.
GND
6
9
Y0
X2
N.C.
VCC
XX1
X0
CB1
7
8
TOP VIEW
(BUMPS ON BOTTOM)
TOP VIEW
+
EP
WLP
(1.5mm x 2mm)
MAX4908
MAX4909
MAX4930
MAX4932
12
34
B
A
C
Y0
Y1
Y2
Y
GND
CB1
CB2
VCC
X0
X1
X2
X
+
EP = EXPOSED PAD.
CONNECT EP TO GND OR
LEAVE UNCONNECTED.
Pin Configurations
General Description
The MAX4908/MAX4909/MAX4930/MAX4932 dual 3:1
clickless audio multiplexers feature negative-signal
capability that allows signals as low as VCC - 5.5V to
pass through without distortion. These analog multiplex-
ers have a low on-resistance (0.38Ω), low supply current,
and operate from a single +1.8V to +5.5V supply.
The MAX4908 has shunt resistors on all input terminals,
and the MAX4909 has shunt resistors on all input termi-
nals except X0 and Y0. The MAX4930 has shunt resistors
only on the X2 and Y2 terminals, and the MAX4932 has
no shunt resistors. The shunt resistor feature reduces
click-and-pop sounds by automatically discharging the
capacitance at the input terminal when they are not con-
nected. A break-before-make feature further reduces
popping.
The MAX4908/MAX4909/MAX4930/MAX4932 use two
digital control inputs CB1 and CB2 to switch between sig-
nals. The digital control inputs can accept up to +5.5V
independent of the supply voltage.
The MAX4908/MAX4909/MAX4930/MAX4932 are avail-
able in 12-bump WLP and 14-pin TDFN-EP packages
and operate over the -40°C to +85°C extended temper-
ature range.
Applications
Cell Phones
PDAs and Handheld Devices
Notebook Computers
MP3 Players
Features
Distortion-Free Negative Signal Throughput Down
to VCC - 5.5V
Internal Shunt Resistors Reduce Click-and-Pop
Sounds
High PSRR Reduces Supply Noise
Low On-Resistance: 0.38Ω (typ)
Channel-to-Channel Matching: 0.1Ω (max)
On-Resistance Flatness: 0.35Ω (max)
Single +1.8V to +5.5V Supply Voltage
-70dB (typ) Crosstalk (20kHz)
-80dB (typ) Off-Isolation (20kHz)
0.02% (typ) Total Harmonic Distortion
50nA Leakage Current
50nA Supply Current
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
TOP MARK
MAX4908ETD+T -40°C to +85°C 14 TDFN-EP**
ABI
MAX4908EWC+T* -40°C to +85°C 12 WLP
AAF
MAX4909ETD+T -40°C to +85°C 14 TDFN-EP**
ABJ
MAX4909EWC+T* -40°C to +85°C 12 WLP
AAG
MAX4930ETD+T -40°C to +85°C 14 TDFN-EP**
ADM
MAX4930EWC+T* -40°C to +85°C 12 WLP
ADY
MAX4932ETD+T -40°C to +85°C 14 TDFN-EP**
ADN
MAX4932EWC+T* -40°C to +85°C 12 WLP
AAN
+
Denotes a lead-free/RoHS-compliant package.
T = Tape and reel.
*
Future product—contact factory for availability.
**
EP = Exposed pad.
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