MAX4619CPE+ Maxim Integrated Products, MAX4619CPE+ Datasheet - Page 9

• Manufacturer Part Number: MAX4619CPE+
• Description: IC MULTIPLEXER TRPL 1X2 16DIP
• Manufacturer: Maxim Integrated Products

Specifications of MAX4619CPE+

• Function: Multiplexer
• Circuit: 3 x 1:2
• On-state Resistance: 10 Ohm
• Voltage Supply Source: Single Supply
• Voltage - Supply, Single/dual (±): 2 V ~ 5.5 V
• Current - Supply: 1µA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

The logic-level thresholds are TTL/CMOS compatible
when V
es; as V
when V
threshold decreases to 2.0V
These devices operate from a single supply between
+2.5V and +5.5V. All of the bipolar precautions must be
observed. At room temperature, they actually “work”
with a single supply near or below +2V, although as
supply voltage decreases, switch on-resistance
becomes very high.
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 can cause permanent damage to the devices.
Always sequence V
inputs and analog signals. If power-supply sequencing
is not possible, add two small signal diodes (D1, D2) in
series with the supply pins for overvoltage protection
(Figure 1).
Adding diodes reduces the analog-signal range to one
diode drop below V
GND, but does not affect the devices’ low switch resis-
tance and low leakage characteristics. Device opera-
tion is unchanged, and the difference between V
and GND should not exceed 6V. These protection
diodes are not recommended if signal levels must
extend to ground.
In 50Ω systems, signal response is reasonably flat up
to 50MHz (see Typical Operating Characteristics).
Above 20MHz, the on-response has several minor
peaks that are highly layout dependent. The problem is
not turning the switch on, but turning it off. The off-state
switch acts like a capacitor and passes higher frequen-
cies with less attenuation. At 10MHz, off-isolation is
about -50dB in 50Ω systems, becoming worse (approx-
imately 20dB per decade) as frequency increases.
Higher circuit impedances also degrade off-isolation.
Adjacent channel attenuation is about 3dB above that
of a bare IC socket and is entirely due to capacitive
coupling.
CC
CC
CC
is +5V. As V
= +3V the guaranteed minimum logic-high
falls, the threshold decreases. For example,
High-Frequency Performance
_______________________________________________________________________________________
High-Speed, Low-Voltage, CMOS Analog
CC
CC
CC
on first, followed by the logic
Overvoltage Protection
and one diode drop above
rises, the threshold increas-
Power Supply
CC
The MAX4617/MAX4618/MAX4619 are pin compatible
with the industry-standard 74HC4051/74HC4052/
74HC4053 and the MAX4581/MAX4582/MAX4583. In
single-supply applications, they function identically and
have identical logic diagrams, although these parts dif-
fer electrically.
The pin designations and logic diagrams in this data
sheet conform to the original 1972 specifications pub-
lished by RCA for the CD4051/CD4052/CD4053. These
designations differ from the standard Maxim switch and
mux designations found on other Maxim data sheets
(including the MAX4051/MAX4052/MAX4053) and may
cause confusion. Designers who feel more comfortable
with Maxim’s standard designations are advised that
the pin designations and logic diagrams on the
MAX4051/MAX4052/MAX4053 data sheet may be freely
applied to the MAX4617/MAX4618/MAX4619.
Figure 1. Overvoltage Protection Using External Blocking
Diodes
Multiplexers/Switches
X, Y, Z
*
*
V
V
CC
EE
GND
V
CC
D1
EXTERNAL
BLOCKING DIODE
D2
EXTERNAL
BLOCKING DIODE
*INTERNAL PROTECTION DIODES
*
*
X_, Y_, Z_
Pin Nomenclature
MAX4617
MAX4618
MAX4619
9