MAX4621 Maxim, MAX4621 Datasheet

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MAX4621

Manufacturer Part Number
MAX4621
Description
The MAX4621/MAX4622/MAX4623 are precision, dual, high-speed analog switches
Manufacturer
Maxim
Datasheet

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The MAX4621/MAX4622/MAX4623 are precision, dual,
high-speed analog switches. The single-pole/single-
throw (SPST) MAX4621 and double-pole/single-throw
(DPST) MAX4623 dual switches are normally open
(NO). The single-pole/double-throw (SPDT) MAX4622
has two normally closed (NC) and two NO poles. All
three parts offer low 5Ω on-resistance guaranteed to
match to within 0.5Ω between channels and to remain
flat over the full analog signal range (∆0.5Ω max). They
also offer low leakage (<500pA at +25°C, <5nA at
+85°C) and fast switching times (turn-on time <250ns,
turn-off time <200ns).
These analog switches are ideal in low-distortion appli-
cations and are the preferred solution over mechanical
relays in automatic test equipment or applications
where current switching is required. They have low
power requirements, use less board space, and are more
reliable than mechanical relays.
The MAX4621/MAX4622/MAX4623 are pin-compatible
replacements for the DG401/DG403/DG405, respective-
ly, offering improved overall performance. These mono-
lithic switches operate from a single positive supply
(+4.5V to +36V) or with bipolar supplies (±4.5V to ±18V)
while retaining CMOS-logic input compatibility.
19-1497; Rev 0; 8/99
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
TOP VIEW
COM2
COM1
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
1
2
3
4
5
6
7
8
________________________________________________________________ Maxim Integrated Products
LOGIC
0
1
SO/DIP
MAX4621
MAX4621
General Description
SWITCH
OFF
ON
Pin Configurations/Functional Diagrams/Truth Tables
16
15
14
13
12
11
10
9
NO1
IN1
V-
GND
V
V+
IN2
NO2
L
SWITCHES SHOWN FOR LOGIC "0" INPUT
COM1
COM3
COM4
COM2
LOGIC
N.C.
NC3
NC4
N.C.
0
1
1
2
3
4
5
6
7
8
SWITCHES 1, 2
Dual, 5 Ω Analog Switches
SO/DIP
MAX4622
OFF
ON
MAX4622
Ordering Information continued at end of data sheet.
Reed Relay Replacement
Test Equipment
Communication Systems
Data-Acquisition Systems
MAX4621CSE
MAX4621CPE
Low On-Resistance: 3Ω (typ), 5Ω (max)
Guaranteed R
(0.5Ω max)
Guaranteed Break-Before-Make Operation
(MAX4622)
Guaranteed Off-Channel Leakage <5nA at +85°C
Single-Supply Operation (+4.5V to +36V)
Bipolar-Supply Operation (±4.5V to ±18V)
TTL/CMOS-Logic Compatible
Rail-to-Rail
Pin Compatible with DG401/DG403/DG405
SWITCHES 3, 4
16
15
14
13
12
11
10
PART
9
OFF
ON
NO1
IN1
V-
GND
V
V+
IN2
NO2
L
®
Analog Signal Handling Capability
ON
COM1
COM3
COM4
COM2
TEMP. RANGE
N.C.
NO3
NO4
N.C.
0°C to +70°C
0°C to +70°C
Match Between Channels
Ordering Information
1
2
3
4
5
6
7
8
LOGIC
0
1
MAX4623
SO/DIP
MAX4623
Military Radios
PBX, PABX Systems
Audio-Signal Routing
Avionics
SWITCH
Applications
OFF
ON
16 Narrow SO
16 Plastic DIP
PIN-PACKAGE
16
15
14
13
12
11
10
9
Features
NO1
IN1
V-
GND
V
V+
IN2
NO2
L
1

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MAX4621 Summary of contents

Page 1

... Rev 0; 8/99 General Description The MAX4621/MAX4622/MAX4623 are precision, dual, high-speed analog switches. The single-pole/single- throw (SPST) MAX4621 and double-pole/single-throw (DPST) MAX4623 dual switches are normally open (NO). The single-pole/double-throw (SPDT) MAX4622 has two normally closed (NC) and two NO poles. All three parts offer low 5Ω on-resistance guaranteed to match to within 0.5Ω ...

Page 2

... Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS— ...

Page 3

ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) (V+ = +15V -15V +5V, GND = are +25°C.) (Note 2) A PARAMETER SYMBOL POWER SUPPLY Power-Supply Range Positive Supply Current I+ Negative Supply Current I- ...

Page 4

Dual, 5 Ω Analog Switches ELECTRICAL CHARACTERISTICS—Single Supply (V+ = +12V +5V, GND = +25°C.) (Note 2) A PARAMETER SYMBOL ANALOG SWITCH V , COM_ Input Voltage Range V , ...

Page 5

... D (Note 3) Charge Injection Q Off-Isolation (Note 7) V ISO Crosstalk (Note Note 2: The algebraic convention, where the most negative value is a minimum and the most positive value is a maximum, is used in this data sheet. Note 3: Guaranteed by design. Note 4: ∆ ON_MAX ON_MIN Note 5: Flatness is defined as the difference between the maximum and minimum values of on-resistance as measured over the specified analog signal range. Note 6: Leakage currents are 100% tested at the maximum-rated hot temperature and guaranteed by correlation at +25° ...

Page 6

... V+ = +15V V- = -15V 500 400 300 200 V+ = +12V 100 0 -100 -200 95 -15 - (V) COM FREQUENCY RESPONSE MAX4621/2/3-08 180 V+ = +15V -15V ON-RESPONSE 0 -90 ON-PHASE -180 -270 -360 OFF-ISOLATION -450 -540 -630 -720 0 100 FREQUENCY (MHz ...

Page 7

... Negative Supply Voltage _______________________________________________________________________________________ Dual, 5 Ω Analog Switches FUNCTION The MAX4621/MAX4622/MAX4623 switches operate with ±4.5V to ±18V bipolar supplies and a +4.5V to +36V sin- gle supply. In either case, analog signals ranging from can be switched. The Typical Operating Characteristics graphs show the typical on-resistance variation with analog signal and supply voltage ...

Page 8

... COM MAX4622 LOGIC INPUT SWITCH C L2 OUTPUT R = 100 L SWITCH C = 35pF L OUTPUT +15V MAX4621 MAX4622 V+ MAX4623 IN_ V- ON -15V +3V t < 20ns r 50% t < 20ns OFF V COM 0.9V ...

Page 9

... 2.4V IN_ C GND V- -15V +15V + NC_ OR NO_ IN_ 0, 2.4V COM_ C GND V- -15V +5V C MAX4621 V L MAX4622 MAX4623 IN_ CAPACITANCE 0, 2.4V METER C V- -15V Figure 8. Channel-Off Capacitance FREQUENCY SIGNAL ANALYZER TESTED GENERATOR AUTOMATIC TRACKING SPECTRUM 1MHz SYNTHESIZER ANALYZER V COM OFF-ISOLATION = 20LOG ...

Page 10

... Dual, 5 Ω Analog Switches Ordering Information (continued) PART TEMP. RANGE MAX4621ESE -40°C to +85°C MAX4621EPE -40°C to +85°C MAX4622CSE 0°C to +70°C MAX4622CPE 0°C to +70°C MAX4622ESE -40°C to +85°C MAX4622EPE -40°C to +85°C MAX4623CSE 0°C to +70°C MAX4623CPE 0°C to +70°C MAX4623ESE -40° ...

Page 11

Dual, 5 Ω Analog Switches Package Information (continued) 11 ...

Page 12

... Dual, 5 Ω Analog Switches Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied ...

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