MAX3096 Maxim Integrated Products, MAX3096 Datasheet

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MAX3096

Manufacturer Part Number
MAX3096
Description
Manufacturer
Maxim Integrated Products
Datasheet

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The MAX3095/MAX3096 are rugged, low-power, quad,
RS-422/RS-485 receivers with electrostatic discharge
(ESD) protection for use in harsh environments. All
receiver inputs are protected to ±15kV using IEC 1000-
4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact
Discharge, and ±15kV using the Human Body Model.
The MAX3095 operates from a +5V supply, while the
MAX3096 operates from a +3.3V supply. Receiver prop-
agation delays are guaranteed to within ±8ns of a pre-
determined value, thereby ensuring device-to-device
matching across production lots.
Complementary enable inputs can be used to place the
devices in a 1nA low-power shutdown mode in which
the receiver outputs are high impedance. When active,
these receivers have a fail-safe feature that guarantees
a logic-high output if the input is open circuit. They also
feature a quarter-unit-load input impedance that allows
128 receivers on a bus.
The MAX3095/MAX3096 are pin-compatible, low-power
upgrades to the industry-standard ’26LS32. They are
available in a space-saving QSOP package.
________________________Applications
19-0498; Rev 1; 10/00
________________General Description
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.
________________Functional Diagram
A1
B1
A2
B2
A3
B3
A4
B4
G
G
Telecommunications Equipment
Rugged RS-422/RS-485/RS-423 Bus Receiver
Receivers for ESD-Sensitive Applications
Level Translators
________________________________________________________________ Maxim Integrated Products
±15kV ESD-Protected, 10Mbps, 3V/5V,
V
GND
CC
MAX3095
MAX3096
Quad RS-422/RS-485 Receivers
Y1
Y2
Y3
Y4
o ESD Protection:
o Guaranteed Propagation-Delay Tolerance
o Single +3V Operation (MAX3096)
o 16-Pin QSOP (8-pin SO footprint)
o 10Mbps Data Rate
o Allow up to 128 Receivers on the Bus
o 1nA Low-Power Shutdown Mode
o 2.4mA Operating Supply Current
o Pin-Compatible Upgrades to ’26LS32
____________________________Features
_______________Ordering Information
MAX3095CPE
MAX3095CSE
MAX3095CEE
MAX3095EPE
MAX3095ESE
MAX3095EEE
MAX3096CPE
MAX3096CSE
MAX3096CEE
MAX3096EPE
MAX3096ESE
MAX3096EEE
Between All ICs:
Single +5V Operation (MAX3095)
TOP VIEW
±15kV—IEC 1000-4-2, Air-Gap Discharge
±8kV—IEC 1000-4-2, Contact Discharge
±15kV—Human Body Model
±8ns (MAX3095)
±10ns (MAX3096)
PART
GND
B1
A1
Y1
Y2
A2
B2
G
-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
1
2
3
4
5
6
7
8
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
DIP/SO/QSOP
MAX3095
MAX3096
Pin Configuration
16
15
14
13
12
11
10
9
16 Plastic DIP
16 Narrow SO
16 QSOP
16 Plastic DIP
16 Narrow SO
16 QSOP
16 Plastic DIP
16 Narrow SO
16 QSOP
16 Plastic DIP
16 Narrow SO
16 QSOP
PIN-PACKAGE
V
B4
A4
Y4
G
Y3
A3
B3
CC
1

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MAX3096 Summary of contents

Page 1

... Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. The MAX3095 operates from a +5V supply, while the MAX3096 operates from a +3.3V supply. Receiver prop- agation delays are guaranteed to within ±8ns of a pre- determined value, thereby ensuring device-to-device matching across production lots ...

Page 2

ESD-Protected, 10Mbps, 3V/5V, Quad RS-422/RS-485 Receivers ABSOLUTE MAXIMUM RATINGS Supply Voltage (V ) ...............................................................7V CC Control Input Voltage (G, G).......................-0. Receiver Input Voltage (A_, B_)...........................................±25V Receiver Output Voltage (Y_).....................-0. Continuous Power Dissipation (T = +70°C) ...

Page 3

... Output Enable Time to Low Level Output Enable Time to t High Level Output Disable Time from Low Level Output Disable Time from t High Level Maximum Data Rate f DC ELECTRICAL CHARACTERISTICS—MAX3096 (V = 3.0V to 3.6V MIN MAX PARAMETER SYMBOL Receiver Differential Input ...

Page 4

... ESD-Protected, 10Mbps, 3V/5V, Quad RS-422/RS-485 Receivers DC ELECTRICAL CHARACTERISTICS—MAX3096 (continued 3.0V to 3.6V unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Supply Current I CC ESD Protection (Note 2) SWITCHING CHARACTERISTICS—MAX3096 (V = 3.0V to 3.6V unless otherwise noted. Typical values are at T ...

Page 5

... ESD-Protected, 10Mbps, 3V/5V for MAX3095 3.3V for MAX3096 OUTPUT CURRENT vs. OUTPUT LOW VOLTAGE -50 MAX3095 -40 -30 -20 MAX3096 - OUTPUT LOW VOLTAGE (V) OUTPUT HIGH VOLTAGE vs. TEMPERATURE 5 MAX3095 4 3 MAX3096 -8mA OUT 0 -40 - TEMPERATURE (°C) PROPAGATION DELAY vs. TEMPERATURE 120  ...

Page 6

... ESD-Protected, 10Mbps, 3V/5V, Quad RS-422/RS-485 Receivers ( for MAX3095 3.3V for MAX3096 VOLTAGE Y VOLTAGE G VOLTAGE PIN NAME 1 B1 Inverting Receiver Input 2 A1 Noninverting Receiver Input Receiver Output. Enabled when G = high low. Y1 will be logic high if A1 > 200mV, and low if ...

Page 7

... Figure 2. Receiver Propagation Delay 15pF 3V 1. OUT 1.5V 0 OUT | | 15pF GND CC 1.5V 1.5V t PHL (MAX3096) (MAX3096) 1.5V 1.5V 2.0V 2.0V (MAX3095) (MAX3095 1. 0.25V S1 CLOSED S2 OPEN S3 = -1V 3. ...

Page 8

... Human Body Model and IEC 1000-4-2. Table 1 shows the functionality of the enable inputs. The MAX3095/MAX3096 enter shutdown when G is low and G is high. In shutdown, all outputs go high imped- ance and the devices typically draw less than 1nA. The devices exit shutdown by taking G high or G low ...

Page 9

ESD-Protected, 10Mbps, 3V/5V 1.5k DISCHARGE CHARGE-CURRENT RESISTANCE LIMIT RESISTOR HIGH STORAGE VOLTAGE 100pF CAPACITOR DC SOURCE Figure 4a. Human Body ESD Test Model 50M to 100M 330Ω DISCHARGE ...

Page 10

... The MAX3095 receiver propagation delays are trimmed to a predetermined value ±8ns, while the MAX3096 delays are trimmed to a predetermined value ±10ns. 128 Receivers on the Bus The standard RS-485 input impedance is 12kΩ ...

Page 11

ESD-Protected, 10Mbps, 3V/5V, Quad RS-422/RS-485 Receivers ______________________________________________________________________________________ Package Information 11 ...

Page 12

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2000 Maxim Integrated Products ...

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