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Linear Technology Electronic Components Datasheet

LTC201ACS Datasheet

Quad CMOS Analog Switche

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LTC201A/LTC202/LTC203
Micropower, Low Charge
Injection, Quad CMOS Analog Switches
FEATURES
Micropower Operation
Single 5V or ±15V Supply Operation
Low Charge Injection
Low RON
Low Leakage
Guaranteed Break Before Make
Latch Resistant Design
TTL/CMOS Compatible
Improved Second Source for DG2O1A/DG202
U
KEY SPECIFICATIO S
Supply Current ................... I+ = 40µA, I= 5µA Max
Charge Injection
±15V Supplies ................................. ±25pC Max
Single 5V Supply .................................. 2pC Typ
RON ............................................................. 65Typ
Signal Range .................................................... ±15V
DESCRIPTIO
The LTC®201A, LTC202, and LTC203 are micropower,
quad CMOS analog switches which typically dissipate only
250µW from ±15V supplies and 40µW from a single 5V
supply. The switches have 65typical on resistance
and a very high off resistance. A break-before-make
characteristic, inherent in these switches, prevents the
shorting of two channels. With a supply voltage of ±15V,
the signal range is ±15V. These switches have special
charge compensation circuitry which greatly reduces
charge injection to a maximum of ±25pC (±15V supplies).
The LTC201A, LTC202, and LTC203 are designed for
applications such as programmable gain amplifiers,
analog multiplexers, sample-and-hold circuits, precision
charge switching and remote switching. These three
devices are differentiated by the type of switch action, as
shown in the logic table.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Micropower 100Hz to 1MHz V-to-F Converter
VIN
OV TO 5V
220k*
100Hz TRIM
(240k* TYP)
50k
+
1/2 LT ®1178
2k
0.33µF
1.5M
12k
1N4148
47k
0.01µF
3pF
2N3906
1µF
NC
2N3904
74C14
10M
VDD
CLK CD4024 Q7
RESET
VSS
FOUT
2µF
100
1µF
1/2 LT1178
7V TO 10V
100k
10k
LT1004-2.5
LINEARITY IS 0.02%
QUIESCENT CURRENT IS 90µA
SUPPLY CURRENT IS 360µA AT 1MHz
*1%FILM RESISTOR
S1
S3
V+
IN2
IN3
IN1
IN4
GND
V
S4
S2
0.022µF D1
D3
500pF
POLYSTYRENE
LTC201A/LTC202
D4
D2
LTC201A/202/203•TA01
201a23fb
1


Linear Technology Electronic Components Datasheet

LTC201ACS Datasheet

Quad CMOS Analog Switche

No Preview Available !

LTC201A/LTC202/LTC203
ABSOLUTE AXI U RATI GS
(Note 1)
Voltages Referenced to V
V+ ........................................................................ 44V
GND ..................................................................... 25V
Digital Inputs, S, D (Note 2) ....... – 2V to (V+ + 2V) or
20mA, Whichever Occurs First
Current
Any Input Except S or D ................................... 30mA
Continuous S or D ............................................ 20mA
Peak S or D (Pulsed at 1ms,
10% Duty Cycle Max) ................................... 70mA
ESD Susceptibility (Note 3) ...................................... 4kV
Power Dissipation (Plastic) ............................... 500mW
Power Dissipation (Ceramic) ............................. 900mW
Operating Temperature Range
LTC201AC/LTC202C/LTC203C ................ 0°C to 70°C
LTC201AM/LTC202M/LTC203M .......–55°C to 125°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
LOGIC TABLE
LTC201A
INX IN1 TO IN4
0
ON
1
OFF
LTC202
IN1 TO IN4
OFF
ON
LTC203
IN1, IN4 IN2, IN3
OFF
ON
ON
OFF
UW U
PACKAGE/ORDER I FOR ATIO
IN1 1
D1 2
S1 3
V4
GND 5
S4 6
D4 7
IN4 8
TOP VIEW
16 IN2BP C
15 D2
14 S2
13 V+
12 NC
11 S3
10 D3
9 IN3
ORDER PART
NUMBER
LTC201ACN
LTC201ACS
LTC202CN
LTC202CS
LTC203CN
LTC203CS
N PACKAGE
16-LEAD PDIP
TJMAX = 110°C, θJA - 120C/W
S PACKAGE
16-LEAD PLASTIC SO
TJMAX = 110°C, θJA - 130C/W
J PACKAGE
16-LEAD CERDIP
TJMAX = 150°C, θJA - 100C/W
ORDER PART
NUMBER
LTC201AMJ
LTC201ACJ
LTC202MJ
LTC202CJ
LTC203MJ
LTC203CJ
OBSOLETE PACKAGE
Consider the N16 or SO-16 Package for Alternate Source
Consult LTC Marketing for parts specified with wider operating temperature ranges.
DIGITAL A D DC ELECTRICAL CHARACTERISTICS The denotes the specifications which apply
over full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 15V, V= –15V, GND = 0V.
PARAMETER
CONDITIONS
LTC201AM/LTC202M/
LTC201AC/LTC202C/
LTC203M
LTC203C
MIN TYP MAX MIN
TYP MAX UNITS
Analog Signal Range
±15
±15
V
RON
VS = ±10V
TMIN
ID = 1mA
25°C
TMAX
RON vs VS
RON vs Temperature
RON Match
VS = 0V, IDS = 1mA
Off Input Leakage IS (OFF)
VD = ±14V, VS = ±14V
Switch Off
110
65
110
160
20
0.5
5
0.01
±1
±100
125
65
125
160
20
%
0.5
%/°C
5
%
0.01
±5
nA
±100 nA
201a23fb
2


Part Number LTC201ACS
Description Quad CMOS Analog Switche
Maker Linear
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LTC201ACS Datasheet PDF






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