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PDF MAX394 Data sheet ( Hoja de datos )
| Número de pieza | MAX394 | |
| Descripción | Low-Voltage / Quad / SPDT / CMOS Analog Switch | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-0391; Rev 0; 5/95
Low-Voltage, Quad, SPDT,
CMOS Analog Switch
_______________General Description
The MAX394 is a precision, low-voltage, quad, single-
pole/double-throw (SPDT) analog switch. The four inde-
pendent switches operate with bipolar supplies ranging
from ±2.7V to ±8V, or with a single supply of +2.7V to
+15V. The MAX394 offers low on-resistance (less than
35Ω), guaranteed to match within 2Ω between channels
and to remain flat over the analog signal range (∆4Ω
max). It also offers break-before-make switching (10ns
typical), with turn-off times less than 75ns and turn-on
times less than 130ns. The MAX394 is ideal for portable
operation since quiescent current runs less than 1µA with
all inputs high or low.
This monolithic, quad switch is fabricated with Maxim’s
low voltage silicon-gate process. Design improvements
guarantee extremely low charge injection (10pC), low
power consumption (10µW), and electrostatic discharge
(ESD) greater than 2000V.
Logic inputs are TTL and CMOS compatible and guaran-
teed over a +0.8V to +2.4V range for supply voltages up
to +8V. When supplies exceed +8V, the inputs are typi-
cally +0.8V to +4V. Logic inputs and switched analog sig-
nals can range anywhere between the supply voltages
without damage.
________________________Applications
Test Equipment
Portable Instruments
Communications Systems Audio Signal Routing
PBX, PABX
Set-Top Boxes
Heads-Up Displays
__________________Pin Configuration
____________________________Features
o Low On-Resistance, < 17Ω Typical (35Ω max)
o Guaranteed Matched On-Resistance Between
Channels, < 2Ω
o Guaranteed Flat On-Resistance over Analog
Signal Range, ∆4Ω Max
o Guaranteed Charge Injection < 10pC
o Guaranteed Off-Channel Leakage < 2.5nA at +85°C
o ESD Guaranteed > 2000V per Method 3015.7
o Single-Supply Operation (+2.7V to +15V)
Bipolar-Supply Operation (±2.7V to ±8V)
o TTL/CMOS-Logic Compatibility
o Rail-to-Rail Analog Signal Handling Capability
o Pin Compatible with MAX333, MAX333A
______________Ordering Information
PART
TEMP. RANGE PIN-PACKAGE
MAX394CPP
0°C to +70°C
20 Plastic DIP
MAX394CWP
0°C to +70°C
20 Wide SO
MAX394C/D
0°C to +70°C
Dice*
MAX394EPP
-40°C to +85°C
20 Plastic DIP
MAX394EWP
-40°C to +85°C
20 Wide SO
MAX394MJP
-55°C to +125°C 20 CERDIP**
* Contact factory for dice specifications.
** Contact factory for availability.
__________Typical Operating Circuit
INPUTS
V1
OUTPUTS
V1 - V2
TOP VIEW
IN1 1
NO1 2
COM1 3
NC1 4
V- 5
GND 6
NC2 7
COM2 8
NO2 9
IN2 10
MAX394
20 IN4
19 NO4
18 COM4
17 NC4
16 V+
15 N.C.
14 NC3
13 COM3
12 NO3
11 IN3
DIP/SO
SWITCHES ARE SHOWN WITH LOGIC "0" INPUT
N.C. = NOT INTERNALLY CONNECTED
V2
OSC
IN
V3 V3 - V4
V4
FLYING CAPACITOR
LEVEL TRANSLATOR
(2-CHANNEL)
________________________________________________________________ Maxim Integrated Products 1
Call toll free 1-800-998-8800 for free samples or literature.
1 page  
Low-Voltage, Quad, SPDT,
CMOS Analog Switch
ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)
(V+ = +5V ±10%, V- = 0V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
(Note 2)
DYNAMIC
Turn-On Time (Note 3)
Turn-Off Time (Note 3)
Break-Before-Make Time
Delay (Note 3)
tON
tOFF
tD
VCOM = 3V, Figure 2
VCOM = 3V, Figure 2
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
160
60
5 20
Charge Injection
(Note 3)
VCTE
CL = 1.0nF, VGEN = 0V,
RGEN = 0Ω
TA = +25°C
3
SUPPLY
Power-Supply Range
V+
2.4
Positive Supply Current
I+
All channels on or off, VIN = 0V or V+,
V+ = 5.5V, V- = 0V
-1.0 0.01
Negative Supply Current
I-
All channels on or off, VIN = 0V or V+,
V+ = 5.5V, V- = 0V
-1.0 -0.01
MAX
250
300
125
175
5
16
1.0
1.0
UNITS
ns
ns
ns
pC
V
µA
µA
ELECTRICAL CHARACTERISTICS—Single +3.3V Supply
(V+ = 3.0V to 3.6V, GND = 0V, VINH = 2.4V, VINL = 0.8V, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SWITCH
Analog Signal Range
On-Resistance
NC or NO Off Leakage
Current (Note 8)
COM Leakage Current
(Note 8)
SYMBOL
CONDITIONS
TEMP.
RANGE
MIN TYP
(Note 2)
MAX
UNITS
VCOM,
VNO,
VNC
RON
(Note 3)
V+ = 3V, V- = 0V,
VNC or VNO = 1.5V,
ICOM = 1.0mA,
VINH = 2.4V,
VINL = 0.8V
INC(OFF)
or
INO(OFF)
VCOM = 0V,
VNC or VNO = 3V,
V+ = 3.6V, V- = 0V
VCOM = 3V,
ICOM(ON) VNC or VNO = 3V,
V+ = 3.6V, V- = 0V
C, E
TA = +25°C
M
TA = TMIN
to TMAX
C, E, M
C, E
TA = +25°C M
TA = TMIN C, E
to TMAX
M
C, E
TA = +25°C M
TA = TMIN C, E
to TMAX
M
0 V+ V
75
-0.2
-0.1
-2.5
-5.0
-0.4
-0.2
-5.0
-20.0
-0.01
-0.01
-0.04
-0.04
185
175
250
0.2
0.1
2.5
5.0
0.4
0.2
5.0
20.0
Ω
nA
nA
_______________________________________________________________________________________ 5
5 Page 
Low-Voltage, Quad, SPDT,
CMOS Analog Switch
_________________________________Test Circuits/Timing Diagrams (continued)
+5V
RGEN
COM_
V+
MAX394
NC OR NO
VGEN
GND IN_ V-
-5V
VO
CL
10nF
∆VO
VO
IN_
ON
OFF
Q = (∆VO)(CL)
ON
Figure 6. Charge Injection
C +5V
SIGNAL
GENERATOR
ANALYZER
CH A
CH B
RL
50Ω
Figure 7. Off Isolation
COM_
V+
NC_
OR NO_
MAX394
IN_
GND V-
0V,
2.4V
C
-5V
C = 5pF
SIGNAL
GENERATOR
MAX394
ANALYZER
CH A
CH B
0V or 2.4V
RL
+5V
C
COM V+
IN
NC or NO
GND
Figure 8. Crosstalk Test Circuit
NC OR NO
IN2
COM
V-
50Ω
0V or 2.4V
C
-5V
FREQUENCY
TESTED
1 MHz
SIGNAL
GENERATOR
AUTOMATIC
SYNTHESIZER
VISO = 20LOG
VCOM
VNC OR VNO
FREQUENCY
TESTED
1MHz
SIGNAL
GENERATOR
AUTOMATIC
SYNTHESIZER
VCT = 20LOG
VCOM
VNC OR VNO
ANALYZER
TRACKING
SPECTRUM
ANALYZER
ANALYZER
TRACKING
SPECTRUM
ANALYZER
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX394.PDF ] | |
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