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PDF MAX14506 Data sheet ( Hoja de datos )
| Número de pieza | MAX14506 | |
| Descripción | Dual SPDT Negative Rail Analog Switches | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX14506 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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19-4244; Rev 1; 12/08
EVAALVUAAILTAIOBNLEKIT
Dual SPDT Negative Rail Analog Switches
with ±VCC Capability
General Description
The MAX14504/MAX14505/MAX14505A/MAX14506
dual single-pole/double-throw (SPDT) audio switches
feature negative signal capability that allows signals
from -VCC to +VCC to pass without distortion. They fea-
ture high continuous current ratings of 550mA (continu-
ous) and 850mA (pulsed). These analog switches have
low on-resistance, low supply current, and operate from
a single +2.3V to +5.5V supply.
The MAX14505/MAX14505A have internal shunt switches
that discharge the audio amplifier AC-coupling capaci-
tance at the normally open (NO) terminals. This reduces
click-and-pop sounds that occur when switching audio
signals between precharged points. The MAX14504/
MAX14505/MAX14505A/MAX14506 control the switches
with control bit, CB, and feature an enable input, EN, that
place COM in a high-impedance mode.
The MAX14504/MAX14505/MAX14505A/MAX14506 are
fully specified to operate from a single +2.3V to +5.5V
power supply. These devices are available in a 1.56mm
x 2.14mm, 12-bump WLP package, and operate over
the -40°C to +85°C extended temperature range.
Cell Phones
MP3 Players
Portable Audio Equipment
Speaker Switching
Applications
Features
o Distortion-Free Negative Signal Throughput from
-VCC to +VCC
o Internal Shunt Switches Reduce Click/Pop
(MAX14505/MAX14505A)
o Low On-Resistance 0.36Ω (typ)
o 1mΩ (typ) On-Resistance Flatness
o COM High Impedance for EN = High
o Low 0.2µA (max) Shutdown Current
(MAX14505A/MAX14506)
o +2.3V to +5.5V Single-Supply Voltage
o Small, 1.56mm x 2.14mm, 12-Bump WLP Package
Pin Configuration
TOP VIEW
(BUMPS ON BOTTOM)
1
+
NO2
A
COM2
B
NC2
C
MAX14504/
MAX14505/
MAX14505A/
MAX14506
23
NEG VCC
EN GND
CB GND
4
NO1
COM1
NC1
Typical Operating Circuit appears at end of data sheet.
WLP
(1.56mm x 2.14mm)
Ordering Information/Selector Guide
PART
PIN-PACKAGE
TOP MARK
COM SIGNAL RANGE FOR
EN = VCC
MAX14504EWC+
MAX14505EWC+*
MAX14505AEWC+
MAX14506EWC+*
12 WLP
12 WLP
12 WLP
12 WLP
AAH
AAI
AAK
AAJ
±VCC
±VCC
0 to +VCC
0 to +VCC
Note: All devices are specified over the -40°C to +85°C temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*Future product—contact factory for availability.
CLICKLESS
NO
YES
YES
NO
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
Dual SPDT Negative Rail Analog Switches
with ±VCC Capability
Typical Operating Characteristics (continued)
(VCC = 3.0V, TA = +25°C, unless otherwise noted.)
0.3650
RON FLATNESS vs. VCOM
NC_/NO_ TURN-ON/TURN-OFF TIME
vs. SUPPLY VOLTAGE
MAX14504 toc05
20 2.0
0.3645
15 tON 1.5
0.3640
0.3635
10 1.0
tOFF
5 0.5
0.3630
-3 -2 -1 0 1 2 3
VCOM (V)
NC_/NO_ TURN-ON/TURN-OFF TIME
vs. TEMPERATURE
MAX14504 toc06
20 2.0
15 1.5
tON
10 1.0
tOFF
5 0.5
0
2.3 3.1 3.9 4.7
SUPPLY VOLTAGE (V)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
25
CB = EN = 0
20
15
10
5
0
5.5
0
-40 -15 10 35 60
TEMPERATURE (°C)
0
85
0
2.3 3.1 3.9 4.7 5.5
SUPPLY VOLTAGE (V)
SUPPLY CURRENT
vs. TEMPERATURE
22
20 VCC = 5.5V
18
16
14
VCC = 3.0V
12
CB = EN = 0
10
-40 -15
10
35
TEMPERATURE (°C)
60
85
LOGIC-INPUT LOW THRESHOLD
vs. SUPPLY VOLTAGE
2.0
1.8
1.6
1.4
1.2
1.0 VIH
0.8
VIL
0.6
0.4
0.2
0
2.7 3.0 3.3
SUPPLY VOLTAGE (V)
3.6
SUPPLY CURRENT
vs. CB LOGIC LEVEL
100
VCC = 5.5V
EN = 0
80
60
40
20
0
0 1.1 2.2
CB LOGIC LEVEL (V)
3.3
_______________________________________________________________________________________ 5
5 Page 
Dual SPDT Negative Rail Analog Switches
with ±VCC Capability
Typical Operating Circuit
VCC
0.1µF
MAX9788
CLASS G
AUDIO AMPLIFIER
CLASS D
AUDIO AMPLIFIER
MAX14504/MAX14506
NC1
COM1
NC2
COM2
NO1
NO2
NEG
CNEG
GND CB EN
VCC
0.1µF
MAX9722
DirectDrive®
AMPLIFIER
MAX14505/MAX14505A
NC1
COM1
NC2
AUDIO AMPLIFIER
NO1
NO2
COM2
NEG
CNEG
GND
CB EN
PROCESS: CMOS
Chip Information
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
12 WLP
W121A2-1
21-0009
DirectDrive is a registered trademark of Maxim Integrated
Products, Inc.
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX14506.PDF ] | |
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