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MAX14777 Datasheet Download - Maxim

Номер произв MAX14777
Описание Quad Beyond-the-Rails -15V to +35V Analog Switch
Производители Maxim
логотип Maxim логотип 



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MAX14777 Даташит, Описание, Даташиты
MAX14777
Quad Beyond-the-Rails -15V to +35V
Analog Switch
General Description
The MAX14777 quad SPST switch supports analog
signals above and below the rails with a single 3.0V to
5.5V supply. The device features a selectable -15V/+35V
or -15V/+15V analog signal range for all switches. Each
switch has a separate control input to allow independent
switching, making the device an alternative to opto-relays
in applications that do not need galvanic isolation.
The IC features 10Ω (max) on-resistance, and 9mΩ (typ)
RON flatness, along with a low 50nA (max at +85°C) on-
leakage. For maximum signal integrity, the device keeps
this performance over the entire common-mode voltage
range. Each switch can carry up to 60mA (max) of con-
tinuous current in either direction.
The MAX14777 is available in a 20-pin (4mm x 4mm)
TQFN package and is specified over the -40°C to +105°C
temperature range.
Applications
● Industrial Measurement Systems
● Instrumentation Systems
● 4–20mA Switching
● ATE Systems
Functional Diagram
VL
Benefits and Features
Simple, Flexible Board Design
• -15V/+35V Beyond-the-Rails™ Signal Range from
a Single 3.0V to 5.5V Supply
• Selectable -15V/+15V Signal Range for Lower
Supply Current
• 60mA Maximum Current through Each Switch
• 1.62V to 5.5V Logic Interface
High-Performance 10Ω RON (max)
150mΩ (max) RON Flatness
±50nA (max) On-Leakage at TA = +85°C
Saves Board Space
• Small 20-Pin TQFN Package (4mm x 4mm)
-40°C to +105°C Operating Temperature Range
Beyond-the-Rails is a registered trademark of Maxim Integrated
Products, Inc.
Ordering Information appears at end of data sheet.
VCC
SEL35
A1
A2
A3
A4
CONFIG
MAX14777
BIAS
GENERATION
VP
VN
B1
B2
B3
B4
EN1 EN2 EN3 EN4
For related parts and recommended products to use with this part, refer to www.maximintegrated.com/MAX14777 related.
19-6714; Rev 1; 10/13
Free Datasheet http://www.datasheet4u.com/







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MAX14777 Даташит, Описание, Даташиты
MAX14777
Quad Beyond-the-Rails -15V to +35V
Analog Switch
Absolute Maximum Ratings
(All voltages referenced to GND, unless otherwise noted.)
VCC...........................................................................-0.3V to +6V
VL.............................................................................-0.3V to +6V
EN1, EN2, EN3, EN4, SEL35, I.C............................-0.3V to +6V
A1, A2, A3, A4, B1, B2, B3, B4......... (VN - 0.3V) to the lesser of
(VP + 0.3V) and (VN + 70V)
VP
SEL35 = High......................................................-0.3V to +70V
SEL35 = Low......................................................-0.3V to +48V
VP to VN.................................................................-0.3V to +70V
VN........................... the greater of -26V and (VP - 70V) to +0.3V
Absolute Difference Between Switch I/Os (| A_ - B_ |)..........70V
Continuous Current...........................................................±80mA
Continuous Power Dissipation (TA = +70°C)...............................
TQFN (derate 25.6mW/°C above +70°C)................2051.3mW
Operating Temperature Range...........................-40ºC to +105ºC
Junction Temperature....................................................... +150ºC
Storage Temperature Range..............................-65ºC to +150°C
Lead Temperature (soldering, 10s).................................. +300°C
Soldering Temperature (reflow)........................................+260°C
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.
Package Thermal Characteristics (Note 1)
Junction-to-Ambient Thermal Resistance (θJA)
TQFN............................................................................39°C/W
Junction-to-Case Thermal Resistance (θJC)
TQFN..............................................................................6°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics
(VCC = 3.0V to 5.5V, VL = 3.3V, TA = -40°C to +105°C, unless otherwise noted. Typical values are at VCC = 5V and TA = +25°C.)
(Note 2)
PARAMETER
DC CHARACTERISTICS
Supply Voltage Range
VL Supply Voltage Range
VCC Supply Current
VL Supply Current
Analog Signal Range
Positive High-Voltage Charge-
Pump Output (Note 3)
Negative High-Voltage Charge-
Pump Output
Continuous Current Through
Switch
SYMBOL
CONDITIONS
VCC
VL
ICC
IL
VA_ ,VB_
VP
VN
IA_
VCC = 3.3V,
VEN_ = VL
SEL35 = low
SEL35 = high
VCC = 5.5V,
VEN_ = VL
SEL35 = low
SEL35 = high
SEL35, EN_ = low or high
SEL35 = low
SEL35 = high
SEL35 = low
SEL35 = high
(Note 3)
EN_ = high
MIN
TYP
MAX UNITS
3.0 5.5 V
1.62
5.5 V
1.8 3.4
2.2 4.3
mA
0.6 1.2
0.8 1.65
-1 +1 µA
-15 +15
V
-15 +35
22.5
41.7
27.1
49.8
V
-18.2
-14.9
V
-60 +60 mA
www.maximintegrated.com
Maxim Integrated │2
Free Datasheet http://www.datasheet4u.com/







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MAX14777 Даташит, Описание, Даташиты
MAX14777
Quad Beyond-the-Rails -15V to +35V
Analog Switch
Electrical Characteristics (continued)
(VCC = 3.0V to 5.5V, VL = 3.3V, TA = -40°C to +105°C, unless otherwise noted. Typical values are at VCC = 5V and TA = +25°C.)
(Note 2)
PARAMETER
On-Resistance, Figure 1
On-Resistance Flatness
On-Resistance Matching
Between Channels
A_ Off-Leakage Current
SYMBOL
RON
ΔRON
ΔRON_M
IL_OFF_A
B_ Off-Leakage Current
IL_OFF_B
On-Leakage Current
IL_ON
A_ Power-Off Leakage Current
IL_PWROFF_A
B_ Power-Off Leakage Current
IL_PWROFF_B
DIGITAL LOGIC (EN1, EN2, EN3, EN4, SEL35)
CONDITIONS
-15V ≤ VA_ ≤ +35V, SEL35 = high,
IIN = ±60mA, Figure 1
-15V ≤ VA_ ≤ +15V, SEL35 = low,
IIN = ±60mA, Figure 1
-15V ≤ VA_ ≤ +35V, SEL35 = high,
IIN = ±60mA
-15V ≤ VA_ ≤ +15V, SEL35 = low,
IIN = ±60mA
-15V ≤ VA_ ≤ +35V, SEL35 = high,
IIN = ±60mA, (Note 4)
-15V ≤ VA_ ≤ +15V, SEL35 = low,
IIN = ±60mA, (Note 4)
-15V ≤ VA_ ≤ +35V, SEL35 = high,
VB_ = 0V, +40°C ≤ TA ≤ +85°C,
Figure 2
-15V ≤ VA_ ≤ +35V, SEL35 = high,
VB_ = 0V, +40°C ≤ TA ≤ +105°C,
Figure 2
-15V ≤ VB­_ ≤ +35V, SEL35 = high,
VA_ = 0V, +40°C ≤ TA ≤ +85°C,
Figure 2
-15V ≤ VB_ ≤ +35V, SEL35 = high,
VA_ = 0V, +40°C ≤ TA ≤ +105°C,
Figure 2
-15V ≤ VA_ ≤ +35V, SEL35 = high,
B_ unconnected, +40°C ≤ TA
+85°C, Figure 2
-15V ≤ VA_ ≤ +35V, SEL35 = high,
B_ unconnected, +40°C ≤ TA
+105°C, Figure 2
VCC_ = 0V or
unconnected,
|VA_ - VB_| > 3V,
current measured at A
-15V ≤ VA_
≤ +35V
VCC_ = 0V or
unconnected,
|VA_ - VB_| > 3V,
current measured at B
-15V ≤ VA_
≤ +35V
Input Voltage Low
VIL
Input Voltage High
Input Leakage Current
VIH
IDLKG
VEN_ = low or high
MIN
-20
-80
-20
-80
-50
-200
-5
-5
0.7 x
VL
-1
TYP
4.4
4.4
9
8
MAX
10
10
UNITS
Ω
150
150
200
200
+20
nA
+80
+20
nA
+80
+50
+200
nA
+5 µA
+5 µA
0.3 x
VL
+1
V
V
µA
www.maximintegrated.com
Maxim Integrated │3
Free Datasheet http://www.datasheet4u.com/










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