MAX4567 Datasheet PDF - Maxim Integrated
Part Number | MAX4567 | |
Description | Bidirectional RF/Video Switches | |
Manufacturers | Maxim Integrated | |
Logo | ||
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Quad/Dual, Low-Voltage,
Bidirectional RF/Video Switches
_______________General Description ____________________________Features
The MAX4565/MAX4566/MAX4567 are low-voltage
T-switches designed for switching RF and video signals
from DC to 350MHz in 50Ω and 75Ω systems. The
MAX4565 contains four normally open single-pole/single-
throw (SPST) switches. The MAX4566 contains two dual
SPST switches (one normally open, one normally closed.)
The MAX4567 contains two single-pole/double-throw
(SPDT) switches.
Each switch is constructed in a “T” configuration, ensuring
excellent high-frequency off isolation and crosstalk of
-83dB at 10MHz. They can handle Rail-to-Rail® analog sig-
nals in either direction. On-resistance (60Ω max) is
matched between switches to 2.5Ω max and is flat (2Ω
max) over the specified signal range, using ±5V supplies.
The off leakage current is less than 5nA at +25°C and
50nA at +85°C.
These CMOS switches can operate with dual power sup-
plies ranging from ±2.7V to ±6V or a single supply
between +2.7V and +12V. All digital inputs have 0.8V/2.4V
logic thresholds, ensuring both TTL- and CMOS-logic com-
patibility when using ±5V or a single +5V supply.
________________________Applications
RF Switching
o High 50Ω Off Isolation: -83dB at 10MHz
o Low 50Ω Crosstalk: -87dB at 10MHz
o DC to 350MHz -3dB Signal Bandwidth
o 60Ω Signal Paths with ±5V Supplies
o 2.5Ω Signal-Path Matching with ±5V Supplies
o 2Ω Signal-Path Flatness with ±5V Supplies
o Low 50Ω Insertion Loss: 2.5dB at 100MHz
o ±2.7V to ±6V Dual Supplies
+2.7V to +12V Single Supply
o Low Power Consumption: <1µW
o Rail-to-Rail Bidirectional Signal Handling
o Pin Compatible with Industry-Standard DG540,
DG542, DG643
o >2kV ESD Protection per Method 3015.7
o TTL/CMOS-Compatible Inputs
with Single +5V or ±5V
______________Ordering Information
Video Signal Routing
PART
TEMP. RANGE PIN-PACKAGE
High-Speed Data Acquisition
Test Equipment
ATE Equipment
MAX4565CPP
0°C to +70°C
20 Plastic DIP
MAX4565CWP
0°C to +70°C
20 Wide SO
Ordering Information continued at end of data sheet.
____N_e_t_w_o_rk_in_g__________Pin Configurations/Functional Diagrams/Truth Tables
TOP VIEW
IN1 1
COM1 2
GND1 3
N01 4
V- 5
GND5 6
N04 7
GND4 8
COM4 9
IN4 10
MAX4565
20 IN2
19 COM2
18 GND2
17 NO2
16 V+
15 GND6
14 N03
13 GND3
12 COM3
11 IN3
MAX4566
IN1 1
COM1 2
GND1 3
N01 4
V- 5
NC4 6
GND4 7
COM4 8
16 IN2
15 COM2
14 GND2
13 NO2
12 V+
11 NC3
10 GND3
9 COM3
MAX4567
IN1 1
N01 2
V- 3
GND1 4
COM1 5
GND4 6
V+ 7
NC1 8
16 N02
15 V+
14 GND2
13 COM2
12 GND3
11 V-
10 NC2
9 IN2
SWITCHES SHOWN
FOR LOGIC “0” INPUT
DIP/SO/SSOP
MAX4565
LOGIC
SWITCH
0 OFF
1 ON
DIP/SO/QSOP
LOGIC
MAX4566
1, 2
3, 4
0 OFF ON
1 ON OFF
DIP/SO/QSOP
MAX4567
LOGIC
NO-COM
NC-COM
0 OFF ON
1 ON OFF
Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
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Quad/Dual, Low-Voltage,
Bidirectional RF/Video Switches
ELECTRICAL CHARACTERISTICS—Single +3V Supply
(V+ = +2.7V to +3.6V, V- = 0V, VINL = 0.8V, VINH = 2.4V, VGND_ = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are
at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
TA
MIN
TYP
(Note 2)
MAX
UNITS
ANALOG SWITCH
Analog Signal Range
Signal-Path On-Resistance
LOGIC INPUT
IN_ Input Logic Threshold High
IN_ Input Logic Threshold Low
IN_ Input Current Logic High or
Low
VCOM_,
VNO_, VNC_
(Note 3)
RON
V+ = 2.7V, VCOM_ = 1V,
ICOM_ = 1mA
VIN_H
VIN_L
(Note 3)
(Note 3)
IINH_, IINL_ VIN_ = 0.8V or 2.4V (Note 3)
+25°C
0
V+ V
+25°C
C, E
150 350
Ω
450
C, E 1.0 2.4 V
C, E 0.8 1.0
V
C, E -1
1 µA
SWITCH DYNAMIC CHARACTERISTICS (Note 3)
Turn-On Time
tON
VCOM_ = 1.5V, V+ = 2.7V,
Figure 3 (Note 3)
Turn-Off Time
tOFF
VCOM_ = 1.5V, V+ = 2.7V,
Figure 3 (Note 3)
+25°C
C, E
+25°C
C, E
270 500
ns
600
40 100
ns
120
Break-Before-Make Time Delay
(MAX4566/MAX4567 only)
tBBM
VCOM_ = 1.5V, V+ = 2.7V,
Figure 4 (Note 3)
+25°C 10 120
ns
POWER SUPPLY
V+ Supply Current
V+ Supply Current
+25°C
-1 0.05
1
I+ V+ = 3.6V, all VIN_ = 0V or V+
C, E -10
µA
10
Note 2: The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 3: Guaranteed by design.
Note 4: ∆RON = ∆RON(MAX) - ∆RON(MIN).
Note 5: Resistance flatness is defined as the difference between the maximum and the minimum value of on-resistance as mea-
sured over the specified analog signal range.
Note 6: Leakage parameters are 100% tested at the maximum rated hot temperature and guaranteed by correlation at +25°C.
Note 7: Off isolation = 20log10 [VCOM / (VNC or VNO)], VCOM = output, VNC or VNO = input to off switch.
Note 8: Between any two switches.
Note 9: -3dB bandwidth is measured relative to 100kHz.
Note 10: Leakage testing for single-supply operation is guaranteed by testing with dual supplies.
_______________________________________________________________________________________ 5
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