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PDF MAX4747ETE Data sheet ( Hoja de datos )
| Número de pieza | MAX4747ETE | |
| Descripción | 50 Low-Voltage / Quad SPST/Dual SPDT Analog Switches in UCSP | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-2646; Rev 1; 6/04
50Ω Low-Voltage, Quad SPST/Dual SPDT Analog
Switches in UCSP
General Description
The MAX4747–MAX4750 low-voltage, quad single-pole
single-throw (SPST)/dual single-pole/double-throw
(SPDT) analog switches operate from a single +2V to
+11V supply and handle rail-to-rail analog signals.
These switches exhibit low leakage current (0.1nA) and
consume less than 0.5nW (typ) of quiescent power,
making them ideal for battery-powered applications.
When powered from a +3V supply, these switches fea-
ture 50Ω (max) on-resistance (RON), with 3.5Ω (max)
matching between channels and 9Ω (max) flatness
over the specified signal range.
The MAX4747 has four normally open (NO) switches, the
MAX4748 has four normally closed (NC) switches, and
the MAX4749 has two NO and two NC switches. The
MAX4750 has two SPDT switches. These switches are
available in 14-pin TSSOP, 16-pin thin QFN (4mm x
4mm), and 16-bump chip-scale packages (UCSP™). This
tiny chip-scale package occupies a 2mm ✕ 2mm area
and significantly reduces the required PC board area.
Applications
Battery-Powered Systems
Audio/Video-Signal Routing
Low-Voltage Data-Acquisition Systems
Cell Phones
Communications Circuits
Glucose Meters
PDAs
Features
♦ 2mm ✕ 2mm UCSP
♦ Guaranteed On-Resistance (RON)
25Ω (max) at +5V
50Ω (max) at +3V
♦ On-Resistance Matching
3Ω (max) at +5V
3.5Ω (max) at +3V
♦ Guaranteed <0.1nA Leakage Current at
TA = +25°C
♦ Single-Supply Operation from +2.0V to +11V
♦ TTL/CMOS-Logic Compatible
♦ -84dB Crosstalk (1MHz)
♦ -72dB Off-Isolation (1MHz)
♦ Low Power Consumption: 0.5nW (typ)
♦ Rail-to-Rail Signal Handling
Ordering Information
PART
TEMP
RANGE
PIN-/BUMP- TOP
PACKAGE MARK
MAX4747EUD -40°C to +85°C 14 TSSOP
—
MAX4747ETE
-40°C to +85°C 16 Thin QFN
—
MAX4747EBE-T -40°C to +85°C 16 UCSP-16 4747
Ordering Information continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
Pin Configurations/Truth Tables
TOP VIEW
16 15 14 13
COM1 1
NO2 2
COM2 3
IN2 4
MAX4747ETE
5678
THIN QFN
TOP VIEW
(BUMPS SIDE DOWN)
1 234
12 IN4
11 NO4
10 COM4
9 COM3
NO1 1
COM1 2
NO2 3
COM2 4
IN2 5
IN3 6
GND 7
MAX4747
14 V+
13 IN1
12 IN4
11 NO4
10 COM4
9 COM3
8 NO3
A
B
C
D
COM1
NO2 COM2
IN2
NO1 V+
IN3
IN1 GND NO3
IN4 NO4 COM4 COM3
TSSOP
INPUT
LOW
HIGH
SWITCH STATE
OFF
ON
UCSP
Pin Configurations/Truth Tables continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
50Ω Low-Voltage, Quad SPST/Dual SPDT Analog
Switches in UCSP
ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)
(V+ = +5V ±10%, VIH = +2.0V, VIL = +0.8V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = +5V, TA = +25°C.)
(Notes 3, 4)
PARAMETER
Crosstalk (Note 10)
NO_ or NC_ Off-Capacitance
COM_ Off-Capacitance
COM_ On-Capacitance
LOGIC INPUT
Input Logic High
Input Logic Low
Input Leakage Current
POWER SUPPLY
Power-Supply Range
SYMBOL
CONDITIONS
VCT
f = 1MHz, VNO_ = 1VRMS,
RL = 50Ω, CL = 5pF, Figure 6
COFF f = 1MHz, Figure 7
CCOM_(OFF) f = 1MHz, Figure 7
CCOM_(ON) f = 1MHz, Figure 7
VIH
VIL
IIN VIN_ = 0V or V+
V+
TA
+25°C
+25°C
+25°C
+25°C
MIN TYP MAX UNITS
-84 dB
20 pF
20 pF
40 pF
2
0.8
-1 +0.005 +1
V
V
µA
2 11 V
Positive Supply Current
I+
V+ = +5.5V, VIN_ = 0V or V+,
all switches on or off
0.0001 1
µA
Note 3: 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 4: UCSP parts are 100% tested at +25°C only, and are guaranteed by design over temperature. TSSOP and Thin QFN parts
are 100% tested at +85°C and guaranteed by design over temperature.
Note 5: ∆RON = RON(MAX) - RON(MIN).
Note 6: UCSP and Thin QFN on-resistance matching between channels is guaranteed by design.
Note 7: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal range.
Note 8: Guaranteed by design.
Note 9: Off-isolation = 20 log10 (VNO_/VCOM_), VNO_ = output, VCOM_ = input to off switch.
Note 10: Between any two switches.
(TA = +25°C, unless otherwise noted.)
ON-RESISTANCE vs. VCOM
50
40
V+ = 2V
30
20
10
0
0
V+ = 3V
V+ = 5V
V+ = 11V
2 4 6 8 10 12
VCOM (V)
Typical Operating Characteristics
ON-RESISTANCE vs. VCOM
16
V+ = 5V
TA = +85°C
12
TA = +25°C
8
4 TA = -40°C
0
012345
VCOM (V)
ON-RESISTANCE vs. VCOM
30
V+ = 3V
25
20 TA = +85°C
TA = +25°C
15
10
TA = -40°C
5
0
0 0.5 1.0 1.5 2.0 2.5 3.0
VCOM (V)
_______________________________________________________________________________________ 5
5 Page 
50Ω Low-Voltage, Quad SPST/Dual SPDT Analog
Switches in UCSP
SIGNAL
GENERATOR 0dBm
ANALYZER
RL
Test Circuits/Timing Diagrams (continued)
10nF V+
COM_V+
NC_
OR NO_
GND
10nF
MAX4747–
MAX4750
VIL OR
IN_ VIH
SIGNAL
GENERATOR 0dBm
0 OR 2.4V
ANALYZER
RL
10nF V+
V+
COM_
MAX4747–
MAX4750
NO_/NC_
50Ω
IN_ IN_
NO_/NC_
GND
10nF
COM_
0 OR
2.4V
N.C.
V-
DUAL SUPPLIES USED TO ACCOMMODATE GROUND-REFERENCED INSTRUMENTS.
Figure 5. Off-Isolation/On-Channel Bandwidth
CAPACITANCE
METER
f = 1MHz
10nF V+
V+
COM_
NC_ OR
NO_
GND
MAX4747–
MAX4750
IN_ VIL OR
VIH
V-
DUAL SUPPLIES USED TO ACCOMMODATE GROUND-REFERENCED INSTRUMENTS.
Figure 6. Crosstalk
Ordering Information (continued)
PART
MAX4748EUD
MAX4748ETE
MAX4748EBE-T
MAX4749EUD
MAX4749ETE
MAX4749EBE-T
MAX4750EUD
MAX4750ETE
MAX4750EBE-T
TEMP
RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-/BUMP-
PACKAGE
14 TSSOP
16 Thin QFN
16 UCSP-16
14 TSSOP
16 Thin QFN
16 UCSP-16
14 TSSOP
16 Thin QFN
16 UCSP-16
TOP
MARK
—
—
4748
—
—
4749
—
—
4750
Figure 7. Channel Off-/On-Capacitance
Chip Information
TRANSISTOR COUNT: 130
PROCESS: CMOS
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet MAX4747ETE.PDF ] | |
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