How it Works
MAXIM
Loading...
MAX4655
Technical data
12 pgs383.38 Kb0

MAXIM MAX4655, MAX4658 Technical data

General Description
Maxim’s MAX4655–MAX4658 are medium-voltage CMOS analog switches with low on-resistance of 10Ω max, specifically designed to handle large switch cur­rents. With a switch capability of up to 400mA peak cur­rent and 300mA continuous current (MAX4655/ MAX4656), and up to 300mA peak current and 150mA continuous current (MAX4657/MAX4658), these parts can switch loads as low as 25Ω. They can replace reed relays with a million times the speed and virtually unlim­ited number of lifetime cycles. Normal power consump­tion is only 3mW, whether the switch is on or off. These parts are TTL/CMOS compatible and will switch any voltage within its power-supply range.
These are SPST (single-pole/single-throw) switches. The MAX4655/MAX4657 are normally closed (NC), while the MAX4656/MAX4658 are normally open (NO). The difference between the MAX4655/MAX4656 and the MAX4657/MAX4658 is in the power dissipation of their packages. Refer to the Absolute Maximum Ratings and the Electrical Characteristics.
The MAX4655–MAX4658 power-supply range is from ±4.5V to ±20V for dual supply operation and +9V to +40V for single supply operation. These switches can operate from any combination of supplies, within a 40V V+ to V- range. They conduct equally well in either direc­tion and can handle Rail-to-Rail®analog signals. The off­leakage current is only 1nA max at TA= +25°C. They are available in 8-pin µMAX, QFN, and SO packages, with exposed pad options for high-power applications.
Applications
Relay Replacement
Test Equipment
Communication Systems
xDSL Modems
PBX, PABX Systems
Audio Signal Routing
Audio Systems
PC Multimedia Boards
Redundant/Backup Systems
Features
♦ High Continuous Current Handling
300mA (MAX4655/MAX4656) 150mA (MAX4657/MAX4658)
♦ High Peak Current Handling
400mA (MAX4655/MAX4656) 300mA (MAX4657/MAX4658)
♦ 10Ω max On-Resistance (±15V supplies)
♦ VLnot Required
♦ 1Ω max RONFlatness over Specified Signal
Range
♦ Rail-to-Rail Signal Handling
♦ +12V Single Supply or ±15V Dual Supply
Operation
♦ Pin Compatible with DG417, DG418
MAX4655–MAX4658
High-Current, 10Ω, SPST, CMOS
Analog Switches
________________________________________________________________ Maxim Integrated Products 1
Ordering Information
TOP VIEW
1
2
4
8
7
6
5
NC
V-
IN
N.C.
V+
GND
N.C.
COM
µMAX/SO/QFN
SWITCHES SHOWN FOR LOGIC "0" INPUT
LOGIC SWITCH
0 1
ON
OFF
MAX4655/MAX4657
1
2
4
8
7
6
5
NO
V-
IN
N.C.
V+
GND
N.C.
COM
LOGIC SWITCH
0
1
OFF ON
MAX4656/MAX4658
N.C. = NO CONNECT NC = NORMALLY CLOSED
MAX4655/MAX4657
MAX4656/MAX4658
3
3
µMAX/SO/QFN
19-1984; Rev 1; 10/01
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
*EP = exposed pad
Pin Configurations/
Functional Diagrams/Truth Tables
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
查询MAX4655供应商
PART TEMP. RANGE PIN-PACKAGE
MAX4655EGA -40°C to +85°C 8 QFN MAX4655EUA -40°C to +85°C 8 µMAX-EP*
MAX4655ESA -40°C to +85°C 8 SO-EP*
MAX4656EGA -40°C to +85°C 8 QFN MAX4656EUA -40°C to +85°C 8 µMAX-EP*
MAX4656ESA -40°C to +85°C 8 SO-EP*
MAX4657EGA -40°C to +85°C 8 QFN MAX4657EUA -40°C to +85°C 8 µMAX
MAX4657ESA -40°C to +85°C 8 SO
MAX4658EGA -40°C to +85°C 8 QFN MAX4658EUA -40°C to +85°C 8 µMAX
MAX4658ESA -40°C to +85°C 8 SO
MAX4655–MAX4658
High-Current, 10Ω, SPST, CMOS Analog Switches
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—Dual Supplies
(V+ = +15V, V- = -15V, VIH= 2.4V, VIL= 0.8V, TA= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at TA= +25°C.)
(Notes 2, 7)
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.
V+ to GND ..............................................................-0.3V to +44V
V- to GND ...............................................................-44V to +0.3V
V+ to V-...................................................................-0.3V to +44V
All Other Pins to GND (Note 1)..................V- - 0.3V to V+ + 0.3V
Continuous Current, COM, NO, NC
(MAX4655/MAX4656) ..................................................±300mA
Continuous Current, COM, NO, NC
(MAX4657/MAX4658) ..................................................±150mA
Continuous Current, IN .....................................................±30mA
Peak Current, COM, NO, NC
(pulsed at 1ms, 10% duty cycle)
MAX4655/MAX4656....................................................±400mA
(pulsed at 1ms, 10% duty cycle)
MAX4657/MAX4658....................................................±300mA
Continuous Power Dissipation (T
A
= +70°C)
8-Pin QFN (derate 24.4mW/°C above +70°C) ............195mW
8-Pin µMAX-EP (derate 10.3mW/°C above +70°C)
MAX4655/MAX4656 ....................................................825mW
8-Pin µMAX (derate 4.50mW/°C above +70°C)
MAX4657/MAX4658 ....................................................362mW
8-Pin SO-EP (derate 18.9mW/°C above +70°C)
MAX4655/MAX4656 ..................................................1509mW
8-Pin SO (derate 5.88mW/°C above +70°C)
MAX4657/MAX4658 ....................................................471mW
Operating Temperature Ranges
MAX4655–MAX4658..................................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
)
)
)
)
Note 1: Signals on NC, NO, COM, or IN exceeding V+ or V- will be clamped by internal diodes. Limit forward diode current to max-
imum current rating.
PARAMETER SYMBOL CONDITIONS T
ANALOG SWITCH
V
, VNC,
Analog Signal Range
On-Resistance R
On-Resistance Flatness (Note 3)
NO or NC Off-Leakage Current (Note 4)
COM Off-Leakage Current (Note 4)
COM On-Leakage Current (Note 4)
NO
V
COM
ON
R
FLAT (ON
I
NO(OFF)
I
NC(OFF
I
COM(OFF
I
COM(ON
I
= 100mA;
COM
or V
V
NO
I
= 100mA;
COM
or VNC = -5V, 0, +5V
V
NO
or
V
= +14.5V, -14.5V;
COM
or V
V
NO
V
COM
or VNC = -14.5V, +14.5V
V
NO
V
COM
V
or V
NO
-14.5V, or floating
NC
= +14.5V, -14.5V;
= +14.5V, -14.5V;
DYNAMIC CHARACTERISTICS
= ±10V
NC
= -14.5V, +14.5V
= +14.5V,
NC
A
MIN TYP MAX UNITS
V- V+ V
+25°C 7 10
T
to T
MIN
MAX
+25°C 0.3 1
T
to T
MIN
MAX
+25°C -1 0.01 1
T
MIN
to T
MAX
-10 10
+25°C -1 0.01 1
T
MIN
to T
MAX
-10 10
+25°C -2 2
T
MIN
to T
MAX
-20 20
15
1.5
Ω
Ω
nA
nA
nA
Turn-On Time t
Turn-Off Time t
ON
OFF
VNO or VNC = 10V; R
= 50Ω; MAX4655/4656,
L
= 100Ω; MAX4657/4658,
R
L
C
= 35pF; Figure 3
L
VNO or VNC = 10V; R
= 50Ω; MAX4655/4656,
L
= 100Ω; MAX4657/4658,
R
L
C
= 35pF; Figure 3
L
+25°C 110 200
to T
T
MIN
MAX
+25°C 75 100
to T
T
MIN
MAX
ns
300
ns
150
MAX4655–MAX4658
High-Current, 10Ω, SPST, CMOS
Analog Switches
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)
(V+ = +15V, V- = -15V, VIH= 2.4V, VIL= 0.8V, TA= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at TA= +25°C.)
(Notes 2, 7)
)
)
)
)
PARAMETER SYMBOL CONDITIONS T
V
= 0; R
GEN
Charge Injection Q
= 1nF; Figure 4
C
L
-3dB Bandwidth BW +25°C 210 MHz
Off-Isolation (Note 5) V
ISO
Total Harmonic Distortion THD
C
NO or NC Off-Capacitance
COM Off-Capacitance C
COM On-Capacitance C
NO(OFF
C
NC(OFF
COM(OFF
COM(ON
f = 1MHz; RL = 50Ω; Figure 5
f = 20H z to 20kH z,
= 5V
V
N_
p-p
,
f = 1MHz; Figure 6 +25°C 25 pF
f = 1MHz; Figure 6 +25°C 25 pF
f = 1MHz; Figure 7 +25°C 67 pF
DIGITAL I/O
Input Logic High V
Input Logic Low V
Input Leakage Current I
IH
IL
IN
VIN = 0.8V or 2.4V T
POWER SUPPLY
Power-Supply Range T
= 0 or 5V, VN_ = 3V;
V
IN
= 200mA,
I
SWITCH
Positive Supply Current I+
MAX4655/4656; I
= 100mA,
SWITCH
MAX4657/4658
GEN
= 0;
; RL = 600Ω
A
MIN TYP MAX UNITS
+25°C 23 pC
+25°C -77
+25°C 0.007 %
T
T
MIN
MIN
MIN
MIN
to T
to T
to T
to T
MAX
MAX
MAX
MAX
2.4 V
0.8 V
-1 1 µA
±4.5 ±20 V
+25°C 90 150
T
MIN
to T
MAX
300
dB
µA
Negative Supply Current I-
Ground Current I
GND
V
= 0 or 5V, VN_ = 3V;
IN
I
= 200mA,
SWITCH
MAX4655/4656; I
= 100mA,
SWITCH
MAX4657/4658
VIN = 0 or 5V, VN_ = 3V;
SWITCH
= 200mA,
I MAX4655/4656;
= 100mA,
I
SWITCH
MAX4657/4658
+25°C 10 50
to T
T
MIN
MAX
+25°C 80 130
to T
T
MIN
MAX
µA
100
µA
260
MAX4655–MAX4658
High-Current, 10Ω, SPST, CMOS Analog Switches
4 _______________________________________________________________________________________
)
ELECTRICAL CHARACTERISTICS—Single Supply
(V+ = +12V, V- = 0, VIH= 2.4V, VIL= 0.8V, TA= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
Note 2: The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column. Note 3: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal range.
Note 4: Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at T
A
= +25°C.
Note 5: Off-isolation = 20log10[V
COM
/ (VNCor VNO)], V
COM
= output, VNCor VNO= input to off switch.
Note 6: Guaranteed by testing with dual supplies. Note 7: -40°C specifications are quaranteed by design.
PARAMETER SYMBOL CONDITIONS T
ANALOG SWITCH
Analog Signal Range V
On-Resistance R
On-Resistance Flatness (Note 3)
IN
ON
R
FLAT (ON
I V
I V
DYNAMIC CHARACTERISTICS
= 50mA,
COM
or VNC = 10V
NO
= 50mA,
COM
or V
N O
N C
T
MIN
to T
A
MAX
+25°C1522
T
to T
MIN
MAX
+25°C 2.2 4
= 2V , 6V , 10V
T
MIN
to T
MAX
MIN TYP MAX UNITS
0V+V
33
5
Ω
Ω
VNO or V R
= 100Ω MAX4655/4656,
Turn-On Time t
ON
L
= 200Ω MAX4657/4658,
R
L
C
= 35pF; Figure 3
L
VNO or V
= 100Ω MAX4655/4656,
R
Turn-Off Time t
OFF
Charge Injection Q
L
R
= 200Ω MAX4657/4658,
L
= 35pF; Figure 3
C
L
V
GEN
= 1nF; Figure 4
C
L
NC
NC
= 0; R
= 10V;
= 10V;
GEN
= 0;
+25°C 140 200
T
MIN
to T
MAX
300
+25°C 65 125
T
MIN
to T
MAX
200
+25°C1 pC
POWER SUPPLY
Power-Supply Range V+ 9 40 V
VIN = 0 or 12V, I
SWITCH
= 100mA,
+25°C 25 100
MAX4655/4656; I
= 50mA,
Positive Supply Current (Note 6)
SWITCH
MAX4657/4658
I+
= 0 or 5V,
V
IN
I
= 100mA,
SWITCH
T
to T
MIN
MAX
+25°C 46 125
200
MAX4655/4656; I
= 50mA,
SWITCH
MAX4657/4658
T
MIN
to T
MAX
200
ns
ns
µA
Loading...
+ 8 hidden pages
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use