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參數資料
| 型號： | MAX4905ETA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/13頁 |
| 文件大小： | 0K |
| 描述： | IC SWITCH DUAL SPDT 8TDFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 功能： | 開關 |
| 電路： | 2 x SPDT |
| 導通狀態電阻： | 1 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 1.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WDFN 裸露焊盤 |
| 供應商設備封裝： | 8-TDFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
General Description
The MAX4901–MAX4905 switches feature negative
signal capability that allows signals below ground to pass
through without distortion. The MAX4901/MAX4902 are a
dual SPST (single-pole/single-throw) and the MAX4903/
MAX4904/MAX4905 are a single SPDT (single-
pole/double-throw) configuration. These analog switches
operate from a single +1.8V to +5.5V supply and have
low 0.6
on-resistance, making them ideal for switching
audio signals.
The MAX4905 includes a comparator that can be used
for headphone detection or mute/send key function. The
MAX4902/MAX4904/MAX4905 have internal shunt resis-
tors to automatically discharge any capacitance at the
NO_ and NC connection points. This reduces click-and-
pop sounds that occur when switching audio signals
between pre-charged points. A break-before-make fea-
ture and auto-discharge also help to reduce popping.
These SPST and SPDT switches are available in
space-saving 8-pin TDFN and 9-bump UCSP pack-
ages and operate over the -40°C to +85°C extended
temperature range.
Applications
Features
Distortion-Free Signal Throughput Down
to VCC - 5.5V
Comparator for Headphone or
Mute Detection (MAX4905)
Clickless Switches with Internal Shunt Resistors
(MAX4902/MAX4904/MAX4905)
0.6 (typ) Low On-Resistance (RON)
0.25 On-Resistance Flatness
+1.8V to +5.5V Supply Voltage
0.04% THD
MAX4901–MAX4905
Low-RON, Dual-SPST/Single-SPDT Clickless
Switches with Negative Rail Capability
________________________________________________________________ Maxim Integrated Products
1
19-3775; Rev 2; 5/06
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.
Ordering Information/Selector Guide
PART
PIN-PACKAGE
TOP MARK
CONFIGURATION
COMPARATOR
SHUNT
PKG CODE
MAX4901EBL-T
1.5mm x 1.5mm 9 UCSP-9
AEU
2 x SPST
No
B9-1
MAX4901ETA-T
8 TDFN-8
AOW
2 x SPST
No
T833-2
MAX4902EBL-T
1.5mm x 1.5mm 9 UCSP-9
AEV
2 x SPST
No
Yes
B9-1
MAX4902ETA-T
8 TDFN-8AOX
2 x SPST
No
Yes
T833-2
MAX4903EBL-T
1.5mm x 1.5mm 9 UCSP-9
AEY
1 x SPDT
No
B9-1
MAX4903ETA-T
8 TDFN-8AOY
1 x SPDT
No
T833-2
MAX4904EBL-T
1.5mm x 1.5mm 9 UCSP-9
AEW
1 x SPDT
No
Yes
B9-1
MAX4904ETA-T
8 TDFN-8AOZ
1 x SPDT
No
Yes
T833-2
MAX4905EBL-T
1.5mm x 1.5mm 9 UCSP-9
AEX
1 x SPDT
Yes
B9-1
MAX4905ETA-T
8 TDFN-8
APA
1 x SPDT
Yes
T833-2
Note: All devices operate over the -40°C to +85°C operating temperature range.
UCSP is a trademark of Maxim Integrated Products, Inc.
Pin Configurations
3 x 3 UCSP
MAX4901/MAX4902
12
3
B
C
A
B
C
A
TOP VIEW
BUMPS ON BOTTOM
COM1
NO1
IN1
VCC
N.C.
GND
COM2
NO2
IN2
3 x 3 UCSP
MAX4903/MAX4904/MAX4905
12
3
VCC
NO
IN
COM
N.C. (CMPO)
GND
N.C.
NC
N.C. (CMP-)
( ) MAX4905 ONLY
Pin Configurations continued at end of data sheet.
Cell Phones
PDAs and Handheld Devices
Notebook Computers
MP3 Players
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