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MAX309CUE+T

P1-P3P4-P6P7-P9P10-P12
MAX308/MAX309
Precision, 8-Channel/Dual 4-Channel,
High-Performance, CMOS Analog Multiplexers
4 _______________________________________________________________________________________
(Note 3)
CONDITIONS
C
L
= 1.0nF,
V
NO
= 0V,
R
S
= 0Ω
V
INH
= 2.4V,
V
INL
= 0V,
V
NO1
= 5V,
Figure 3
V
INH
= 2.4V,
V
INL
= 0V,
V
NO1
= 5V,
Figure 3
V
NO1
= 8V,
V
NO8
= 0V,
V
IN
= 2.4V,
Figure 2
I
NO
= -1.0mA
V
COM
= 3V or 10V
pC210Q
Charge Injection
(Note 3)
ns75 300t
OFF(EN)
Enable Turn-Off Time
(Note 3)
V012
V
NO
,
V
COM
Analog Signal Range
ns100 600t
ON(EN)
Enable Turn-On Time
(Note 3)
ns115 450t
TRANS
Transition Time
(Note 3)
Ω120 175R
ON
On-Resistance
UNITS
MIN TYP MAX
(Note 2)
SYMBOLPARAMETER
ELECTRICAL CHARACTERISTICS—Single Supply
(V+ = +12V, V- = 0V, GND = 0V, V
AH
= +2.4V, V
AL
= +0.8V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
Note 2: The algebraic convention where the most negative value is a minimum and the most positive value a maximum is used in
this data sheet.
Note 3: Guaranteed by design.
Note 4: ∆R
ON
= R
ON(MAX)
- R
ON(MIN)
.
On-resistance match between channels and flatness are guaranteed only with specified
voltages. Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured at
the extremes of the specified analog signal range.
Note 5: Leakage parameters are 100% tested at the maximum rated hot temperature and guaranteed by correlation at +25°C.
Note 6: Off isolation = 20log V
COM
/V
NO
, where V
COM
= output and V
NO
= input to off switch.
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
SWITCH
DYNAMIC
MAX308/MAX309
Precision, 8-Channel/Dual 4-Channel,
High-Performance, CMOS Analog Multiplexers
_______________________________________________________________________________________ 5
120
140
160
ON-RESISTANCE vs. V
COM
(DUAL SUPPLIES)
100
MAX308/9 TOC-01
0
20
40
60
-20 20-15 15-10 10-5 50
80
V
COM
(
V
)
±5V
±10V
±15V
±20V
R
ON
(Ω)
120
ON-RESISTANCE vs. V
COM
AND
TEMPERATURE (DUAL SUPPLIES)
100
MAX308/9 TOC-02
0
20
40
60
-15 15-10 10-5 50
80
V
COM
(V)
+125°C
+85°C
+25°C
-55°C
R
ON
(Ω)
V+ = +15V
V- = -15V
280
320
360
400
ON-RESISTANCE vs. V
COM
(SINGLE SUPPLY)
240
MAX308/9 TOC-03
40
80
120
160
15 201050
200
V
COM
(V)
R
ON
(Ω)
5V
10V
15V
20V
120
140
160
ON-RESISTANCE vs. V
COM
AND
TEMPERATURE (SINGLE SUPPLY)
100
MAX308/9 TOC-04
0
20
40
60
151050
80
V
COM
(V)
R
ON
(Ω)
+125°C
+85°C
+25°C
-55°C
V+ = 15V
V- = 0V
30
CHARGE INJECTION vs. V
COM
20
MAX308/9 TOC-07
-30
-20
-10
0
-15 15-10 10-5 50
10
V
COM
(
V
)
Q
j
(pC)
V+ = 12V
V- = 0V
V+ = +15V
V- = -15V
10
0.0001
-55 125
OFF LEAKAGE vs. TEMPERATURE
1
MAX308/9 TOC-05
TEMPERATURE (°C)
OFF LEAKAGE (nA)
25
0.01
0.001
-35 -15 65
0.1
100
1000
45
85 105
5
I
NO (OFF)
I
COM (ON)
V+ = 15V
V- = -15V
10
0.0001
-55 125
ON LEAKAGE vs. TEMPERATURE
1
MAX308/9 TOC-05
TEMPERATURE (°C)
ON LEAKAGE (nA)
25
0.01
0.001
-35 -15 65
0.1
100
1000
45
85 105
5
I
COM (ON)
V+ = 15V
V- = -15V
100
0.001
-55 125
SUPPLY CURRENT vs. TEMPERATURE
10
MAX4308/9-TOC8
TEMPERATURE
(
°C
)
I+, I- (µA)
25
0.1
0.01
-35 -15 65
1
45
85 105
5
I+
I-
V+ = +15V
V- = -15V
V
EN
= V
A
= 0V, 4.5V
__________________________________________Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
__________Applications Information
Operation with
Supply Voltages Other than 15V
Using supply voltages less than ±15V will reduce the
analog signal range. The MAX308/MAX309 switches
operate with ±5V to ±20V bipolar supplies or with a
+5V to +30V single supply. Connect V- to GND when
operating with a single supply. Both device types can
also operate with unbalanced supplies, such as +24V
and -5V. The Typical Operating Characteristics graphs
show typical on-resistance with 20V, 15V, 10V, and 5V
supplies. (Switching times increase by a factor of two
or more for operation at 5V.)
Overvoltage Protection
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings, because stresses beyond the listed rat-
ings may cause permanent damage to the devices.
Always sequence V+ on first, then V-, followed by the
logic inputs, NO, or COM. If power-supply sequencing
is not possible, add two small signal diodes in series
with supply pins for overvoltage protection (Figure 1).
Adding diodes reduces the analog signal range to 1V
below V+ and 1V above V-, but does not affect the
devices’ low switch resistance and low leakage charac-
teristics. Device operation is unchanged, and the differ-
ence between V+ and V- should not exceed +44V.
MAX308/MAX309
Precision, 8-Channel/Dual 4-Channel,
High-Performance, CMOS Analog Multiplexers
6 _______________________________________________________________________________________
______________________________________________________________Pin Description
V
g
NO
COM
V-
V+
Figure 1. Overvoltage Protection Using External Blocking
Diodes
PIN
MAX308 MAX309
NAME FUNCTION
1, 15, 16 A0, A2, A1 Address Inputs
—
—
A0, A1 Address Inputs
2 2 EN Enable Input
3 3 V- Negative Supply Voltage Input
4–7 — NO1–NO4 Analog Inputs—Bidirectional
— 4–7 NO1A–NO4A Analog Inputs—Bidirectional
8 — COM Analog Output—Bidirectional
— 8, 9 COMA, COMB Analog Outputs—Bidirectional
9–12 — NO8–NO5 Analog Inputs—Bidirectional
— 10–13 NO4B–NO1B Analog Inputs—Bidirectional
13 14 V+ Positive Supply Voltage Input
14 15 GND Ground
1, 16
P1-P3P4-P6P7-P9P10-P12

MAX309CUE+T

Mfr. #:
Buy MAX309CUE+T
Manufacturer:
Maxim Integrated
Description:
Multiplexer Switch ICs 4:1 2Ch Precision
Lifecycle:
New from this manufacturer.
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