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PDF ALD4212 Data sheet ( Hoja de datos )
| Número de pieza | ALD4212 | |
| Descripción | CMOS LOW VOLTAGE HIGH SPEED QUAD PRECISION ANALOG SWITCHES | |
| Fabricantes | Advanced Linear Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ALD4212 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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ADVANCED
LINEAR
DEVICES, INC.
ALD4211/ALD4212
ALD4213
CMOS LOW VOLTAGE HIGH SPEED QUAD PRECISION ANALOG SWITCHES
GENERAL DESCRIPTION
The ALD4211/ALD4212/ALD4213 are quad SPST CMOS analog
switches specifically designed for low voltage, high speed applications
where 0.2pC charge injection, 200pf sampling capacitor, and picoamp
leakage current are important analog switch operating characteristics.
These analog switches feature fast switching, low on-resistance and
micropower consumption.
TheALD4211/4212/4213 are designed for precision applications such as
charge amplifiers, sample and hold amplifiers, data converter switches,
and programmable gain amplifiers. These switches are also excellent for
low voltage micropower general purpose switching applications.
APPLICATIONS INFORMATION
The ALD4211/4212/4213 operate with a standard single power supply
from +3V to +12Volts. Functionality extends down to a +2 volt power
supply making it suitable for lithium battery or rechargeable battery
operated systems where power, efficiency, and performance are
important design considerations. Break-before-make switching is
guaranteed with single supply operation. The ALD4211/4212/4213
may also be used with dual power supplies from ±1.5 to ±6 volts.
With special charge balancing and charge cancellation circuitry on
chip the ALD4211/ALD4212/ALD4213 were developed for ultra low
charge injection applications. Using a 200pF sampling capacitor, very
fast precise signal acquisition may be achieved. With ultra low
quiescent current, these switches interface directly to CMOS logic
levels from microprocessor or logic circuits. On the board level, low
charge injection and fast operation may be achieved by using short
leads, minimizing input and output capacitances, and by adequate
bypass capacitors placed on the board at the supply nodes. For more
information, see Application Note AN4200.
The ALD4211/ALD4212/ALD4213 are manufactured with Advanced Linear
Devices enhanced ACMOS silicon gate CMOS process. They are
designed also as linear cell elements in Advanced Linear Devices’
“Function-Specific” ASIC.
FEATURES
• 3V, 5V and ±5V supply operation
• 0.2pC charge injection
• 200pF sampling capacitor
• pA leakage current
• 0.1µW power dissipation
• High precision
• Rail to rail signal range
• Low On-resistance
• Break-before-make switching
BENEFITS
• Five times faster signal capture
• Low switching transients
• Low signal loss
• Essentially no DC power consumption
• Full analog signal range from rail to rail
• Flexible power supply range for battery
operated systems
APPLICATIONS
• Fast sample and hold
• Computer peripherals
• PCMCIA
• Low level signal conditioning circuits
• Portable battery operated systems
• Analog signal multiplexer
• Programmable gain amplifiers
• Switched capacitor circuits
• Micropower based systems
• Video/audio switches
• Feedback control systems
PIN CONFIGURATION/ BLOCK DIAGRAM
ORDERING INFORMATION
Operating Temperature Range
-55°C to +125°C
-40°C to +85°C
-40°C to +85°C
16-Pin
CERDIP
Package
16-Pin
Plastic Dip
Package
16-Pin
SOIC
Package
IN1 1
COM1 2
OUT1
V-
3
4
16 IN2
15 COM2
14 OUT2
13 V+
ALD4211 DC
ALD4212 DC
ALD4213 DC
ALD4211 PC
ALD4212 PC
ALD4213 PC
ALD4211 SC
ALD4212 SC
ALD4213 SC
LOGIC TABLE
Input Logic
Switch State
ALD4211 ALD4212
ALD4213
Switch 1 / Switch 4
Switch 2 / Switch 3
0 On Off
1 Off On
Off
On
On
Off
GND
OUT4
COM4
IN4
5 12 NC
6 11 OUT3
7 10 COM3
89
DC, PC, SC PACKAGE
IN3
* Contact factory for industrial temperature range.
© 1998 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com
1 page  
DC ELECTRICAL CHARACTERISTICS
TA = 25°C V+ = +3.0V, V- = GND = 0.0V unless otherwise specified
Parameter
Analog Signal Range
Symbol
VA
4211/4212/4213 (PC,SC)
Min Typ Max
0.0 3.0
4211/4212/4213 (DC)
Min Typ Max
0.0 3.0
On - Resistance
RON
500 700
620 880
500 700
680 1000
Change of On-Resistance
from -VS to +VS
∆RON
43
43
Change of On-Resistance
with Temperature
∆RON/∆T
0.27
0.27
RON Match
Between Switches
22
Off Com
Leakage Current
ICOML
50 100
500
50 100
4000
Off Out
Leakage Current
IOUTL
50 100
500
50 100
4000
Channel On
Leakage Current
ID(ON)
50 100
500
50 100
4000
Input High Voltage
Input Low Voltage
Input High or
Input Low Current
Supply Current
VIH 4.0
4.0
VIL 0.8 0.8
IIH
IIL 10 10
ISUPPLY
0.01 1
0.01 1
Unit Test Conditions
V
Ω VA = 0V IA = 1mA
-40°C to +85°C
-55°C to +125°C
%
%/°C
%
pA VCOM = ±4.0V,VOUT = -/+4.0V
pA -40°C to +85°C
pA -55°C to +125°C
pA VOUT = ±4.0V,VCOM = -/+4.0V
pA -40°C to +85°C
pA -55°C to +125°C
pA
pA -40°C to +85°C
pA -55°C to +125°C
Logic "1"
V Logic "0"
nA
µA
AC ELECTRICAL CHARACTERISTICS
TA = 25°C V+ = +3.0V, V- = GND = 0.0V unless otherwise specified
Parameter
Turn On Delay time
Symbol
tON
4211/4212/4213 (PC) 4211/4212/4213 (DC) 4211/4212/4213 (SC)
Min Typ Max Min Typ Max Min Typ Max
160 300
160 300
160 300
Unit
ns
Test Conditions
(Note 7)
Turn Off Delay time
Break-Before-Make
Delay Time
Charge Injection
Off Isolation
Crosstalk
Total Harmonic
Distortion
Com/Out
Off Capacitance
Channel On
Capacitance
Pin to Pin
Capacitance
ALD4211/ALD4212
ALD4213
tOFF
tBD
78 1500
78 150
20 82
20 82
78 150
20 82
ns
ns
QINJ
THD
COM(OFF)
OUT(OFF)
CDS (ON)
0.2
75
90
0.05
0.01
0.5
3.0
5.7
0.2 0.5
75
90
0.05
0.01
3.0
5.7
0.2 0.5
75
90
0.05
0.01
pC
%
3.0 pF
5.7 pF
CPP 0.5
0.6 0.25 pF
Advanced Linear Devices
(Note 7)
(Note 3) (Note 4)
dB At f = 100KHz, (Note 5)
dB At f = 100KHz, (Note 6)
RL = 10K
RL = 100K
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ALD4212.PDF ] | |
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