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PDF ALD4202MDC Data sheet ( Hoja de datos )
| Número de pieza | ALD4202MDC | |
| Descripción | CMOS LOW VOLTAGE/ LOW CHARGE INJECTION QUAD SPST ANALOG SWITCHES | |
| Fabricantes | Advanced Linear Devices | |
| Logotipo |  |
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ADVANCED
LINEAR
DEVICES, INC.
ALD4201/ALD4202M
CMOS LOW VOLTAGE, LOW CHARGE INJECTION QUAD SPST ANALOG SWITCHES
GENERAL DESCRIPTION
The ALD4201/ALD4202M are quad SPSTCMOS analog switches speci-
fically developed for 3 to 12 volt applications where low charge injection
and low leakage currents are important analog switch operating
characteristics. The main features are precision matching, charge
compensation circuitry, fast switching, low on-resistance and micropower
consumption. The ALD4201 operates in break-before-make switching
whereas the ALD4202M operates in make-before-break switching.
The ALD4201/ALD4202M 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
general purpose switching applications for micropower battery operated
systems.
APPLICATIONS INFORMATION
The ALD4201/ALD4202M are designed to operate with standard single or
dual power supplies of +3V to 10V or ±1.5V to ±5V. Functionality extends
down to +2V or ±1V power supply, making it suitable for lithium battery or
rechargeable battery operated systems where power efficiency and
performance are important design parameters. These switches feature
nA quiescent current and interface directly to CMOS logic levels from
microprocessor or logic interface circuits. Built- in level shifters at the input
stage provide for dual supply analog signal switching. On the board level,
low charge injection and fast operation can be obtained 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 ALD4201/4202M are manufactured with Advanced Linear Devices'
enhanced ACMOS silicon gate CMOS process, and are also part of the
linear elements in Advanced Linear Devices' "Function-Specific" ASIC.
ORDERING INFORMATION
Operating Temperature Range
-55°C to +125°C
0°C to +70°C
0°C to +70°C
16-Pin
CERDIP
Package
16-Pin
Plastic Dip
Package
16-Pin
SOIC
Package
ALD4201 DC
ALD4202M DC
ALD4201 PC
ALD4202M PC
ALD4201 SC
ALD4202M SC
LOGIC TABLE
Input Logic
0
1
Switch State
ALD4201
ALD4202M
On Off
Off On
* Contact factory for industrial temperature range.
FEATURES
• 3V, 5V & 10V supply operation
• ±1.5V, ±2.5V & ±5V supply operation
• 0.1µW power dissipation
• 1pC charge injection
• Rail-to-rail signal range
• Low on-resistance
• pA leakage current
• 4201 break-before-make switching
• 4202M make-before-break switching
• Built-in dual supply level translator
BENEFITS
• Fast effective signal throughput
• Low switching transients
• Low signal loss
• Essentially no DC power consumption
• Full analog signal range over power
supply rail
• Flexible power supply range for battery
operated systems
APPLICATIONS
• Low level signal conditioning circuits
• Portable battery operated instruments
• Computer peripherals
• PCMCIA
• Fast sample and hold
• Analog signal multiplexer
• Programmable gain amplifiers
• Switched capacitor circuits
• Micropower based systems
• Video/audio switches
• Feedback control systems
PIN CONFIGURATION / BLOCK DIAGRAM
IN1 1
16 IN2
D1 2
15 D2
S1 3
V- 4
14 S2
13 V+
GND 5
12 NC
S4 6
11 S3
D4 7
10 D3
IN4 8
9 IN3
DC, PC, SC PACKAGE
© 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  
TYPICAL PERFORMANCE CHARACTERISTICS
SUPPLY CURRENT AS A
FUNCTION OF INPUT VOLTAGE
2.0
1.6 VSUPPLY = 10V
1.2
0.8
0.4
0
0
246 8
INPUT VOLTAGE (V)
10
SUPPLY CURRENT AS A
FUNCTION OF INPUT VOLTAGE
100
80 VSUPPLY = 5V
60
40
20
0
0
12 3
INPUT VOLTAGE (V)
4
5
SUPPLY CURRENT AS A
FUNCTION OF INPUT VOLTAGE
10
8 VSUPPLY = 3V
6
4
2
0
0 0.6 1.2 1.8 2.4 3.0
INPUT VOLTAGE (V)
TOTAL HARMONIC DISTORTION AS
A FUNCTION OF FREQUENCY
100
10
VSUPPLY = 5V
1
VS = 0.355 VRMS
RL = 10K
0.1
0.01
0.001
0.1
RL = 10K
1.0 10
FREQUENCY (KHz)
100
SWITCH DELAY TIME AS A FUNCTION
OF SUPPLY VOLTAGE
500
SWITCH DELAY TIME AS A FUNCTION
OF SUPPLY VOLTAGE
500
400
ALD4201
400
ALD4202M
300 300
200 TURN ON DELAY TIME
200 TURN OFF DELAY TIME
100
TURN OFF DELAY TIME
100
TURN ON DELAY TIME
0
3 4 5 6 7 8 9 10
0
3 4 5 6 7 8 9 10
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
ALD4201/ALD4202M
Advanced Linear Devices
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet ALD4202MDC.PDF ] | |
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