MAX4562 Maxim, MAX4562 Datasheet

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MAX4562

Manufacturer Part Number
MAX4562
Description
The MAX4562/MAX4563 serial-interface controlled switches are ideal for multimedia applications
Manufacturer
Maxim
Datasheet

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The MAX4562/MAX4563 serial-interface controlled
switches are ideal for multimedia applications. Each
device features 30Ω max on-resistance (R
match, and 5Ω R
crosstalk at 20kHz is -85dB, and video off-isolation and
crosstalk at 10MHz is -55dB. Both devices feature
“clickless” mode operation for audio applications.
The MAX4562/MAX4563 contain two normally open sin-
gle-pole/double-throw (SPDT) switches and two normal-
ly open single-pole/single-throw (SPST) switches. The
MAX4562 features a 2-wire I
interface. The MAX4563 features a 3-wire SPI™/QSPI™/
MICROWIRE™-compatible serial interface. Both parts
are available in 16-pin QSOP packages and operate
over the commercial and extended temperature
ranges.
19-1461; Rev 0; 4/99
I
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
2
C is a trademark of Philips Corp.
( ) ARE FOR MAX4563
TOP VIEW
Set-Top Boxes
PC Multimedia Boards
Audio Systems
Video Conferencing Systems
COM1
COM2
NO1A
NO1B
NO2A
NO2B
GND
V+
________________________________________________________________ Maxim Integrated Products
ON
1
2
3
4
5
6
7
8
flatness. Audio off-isolation and
General Description
QSOP
MAX4562
MAX4563
Pin Configuration
2
C™-compatible serial
Applications
16
15
14
13
12
11
10
9
SCL (SCLK)
SDA (DIN)
A0 (CS)
A1 (DOUT)
NO4
COM4
NO3
COM3
ON
), 5Ω R
Serially Controlled, Clickless
ON
MAX4562CEE
MAX4562EEE
MAX4563CEE
MAX4563EEE
SIGNAL IN
Selectable Soft-Switching Mode for “Clickless”
Audio Operation
30Ω max On-Resistance
Audio Performance
Video Performance
T-Switch Configurable for Improved Off-Isolation
Serial Interface
Single-Supply Operation from +2.7V to +5.5V
Audio/Video Switches
-85dB Off-Isolation at 20kHz
-85dB Crosstalk at 20kHz
-0.007% THD
-55dB Off-Isolation at 10MHz
-55dB Crosstalk at 10MHz
2-Wire I
3-Wire SPI/QSPI/MICROWIRE-Compatible
(MAX4563)
PART
NO2A
2
C-Compatible (MAX4562)
Typical Operating Circuit
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
Ordering Information
COM2
COM3
NO3
PIN-PACKAGE
16 QSOP
16 QSOP
16 QSOP
16 QSOP
NO2B
Features
SIGNAL OUT
1

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MAX4562 Summary of contents

Page 1

... ON crosstalk at 20kHz is -85dB, and video off-isolation and crosstalk at 10MHz is -55dB. Both devices feature “clickless” mode operation for audio applications. The MAX4562/MAX4563 contain two normally open sin- gle-pole/double-throw (SPDT) switches and two normal- ly open single-pole/single-throw (SPST) switches. The 2 MAX4562 features a 2-wire I C™ ...

Page 2

... 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. ELECTRICAL CHARACTERISTICS— ...

Page 3

ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) (V+ = +5V ±5 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL VIDEO PERFORMANCE Off-Isolation (Note 7) V Channel-to-Channel Crosstalk V -3dB Bandwidth Off-Capacitance ...

Page 4

Serially Controlled, Clickless Audio/Video Switches ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued) (V+ = +3V ±10 unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL On-Resistance R FLAT Flatness (Note 5) NO_ ...

Page 5

I/O INTERFACE CHARACTERISTICS (V+ = +2.7V to +5.25V MIN PARAMETER SYMBOL CS, SCL, SDA, A0, A1) DIGITAL INPUTS (SCLK, DIN, Input Low Voltage Input High Voltage Input Hysteresis V Input Leakage Current I Input ...

Page 6

... ON(MAX) ON(MIN) Note 5: Resistance flatness is defined as the difference between the maximum and minimum on-resistance values, as measured over the specified analog signal range. Note 6: Leakage parameters are 100% tested at maximum rated temperature and guaranteed by correlation at T Note 7: Off-isolation = 20 log ( COM All timing is measured from the clock’ ...

Page 7

T = +25°C, unless otherwise noted.) A SUPPLY CURRENT vs. TEMPERATURE 5.7 5.6 5.5 5.4 5.3 5.2 5.1 -40 - TEMPERATURE (°C) TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY 1 600 IN AND OUT ...

Page 8

... Serially Controlled, Clickless Audio/Video Switches (V+ = +5V +25°C, unless otherwise noted.) A SOFT-MODE RISE TIME 500 s/div PIN NAME MAX4562 MAX4563 NO1A, NO1B NO2A, NO2B, 10, 12 10, 12 NO3, NO4 COM1–COM4 5 5 GND 13 – ...

Page 9

... CONTROLLER SERIAL INTERFACE GND C INCLUDES FIXTURE AND STRAY CAPACITANCE OUT COM Figure 2. Switching Time _______________________________________________________________________________________ Serially Controlled, Clickless Audio/Video Switches MAX4562 MAX4563 2/3 ANALYZER DECODER/ CONTROLLER SIGNAL GENERATOR 0dBm b) CROSSTALK 10nF 2-WIRE V OUT 300 35pF 3-WIRE )] ...

Page 10

... Switches in the same mode are guaranteed to be break-before-make relative to each other. Break-before-make does not apply between switches operating in different modes. These devices operate from a +2.7V to +5.5V single supply. The MAX4562 features a 2-wire I serial interface, and the MAX4563 features a 3-wire SPI/QSPI/MICROWIRE-compatible serial interface. 70% 20% ...

Page 11

... All bytes of the transmission, whether address or command, are sent MSB first. The MAX4562/MAX4563 are receive-only devices and must be controlled by a bus master device. A bus mas- Switch Control ter signals the beginning of a transmission with a start condition by transitioning SDA from high to low while SCL is high ...

Page 12

... As the signal frequency is in- creased, parasitic capacitance significantly degrades the off-isolation. Figure 7 shows a typical T-switch con- figuration using the MAX4562/MAX4563 to improve off- isolation. COM2 and COM3 are tied together to create a single common node. NO2A and NO2B act as the input and output of the T-switch, while NO3 is tied to ground ...

Page 13

CS t CSS SCLK 20 DIN DOUT Figure 5. 3-Wire Serial-Interface Timing Diagram SWITCHES UPDATED CS SCLK DATA CLOCKED IN DIN MSB INPUT DATA BITS DATA ...

Page 14

Serially Controlled, Clickless Audio/Video Switches 14 ______________________________________________________________________________________ Package Information ...

Page 15

Serially Controlled, Clickless ______________________________________________________________________________________ Audio/Video Switches NOTES 15 ...

Page 16

... Audio/Video Switches Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product ...

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