MAXIM MAX4356 Technical data

General Description

The MAX4356 is a 16 ✕ 16 highly integrated video
crosspoint switch matrix with input and output buffers
and On-Screen Display (OSD) Insertion. This device
operates from dual ±3V to ±5V supplies or from a sin­gle +5V supply. Digital logic is supplied from an inde­pendent single +2.7V to +5.5V supply. Individual
outputs can be switched between an input video signal
source and OSD information through an internal, dedi­cated fast 2:1 mux (40ns switching times) located
before the output buffer. All inputs and outputs are
buffered, with all outputs able to drive standard 75Ω
reverse-terminated video loads.
The switch matrix configuration and output buffer gain
are programmed via an SPI/QSPI™-compatible, three­wire serial interface and initialized with a single update
signal. The unique serial interface operates in two
modes facilitating both fast updates and initialization.
On power-up, all outputs are initialized in the disabled
state to avoid output conflicts in large-array configura­tions.
Superior flexibility, high integration, and space-saving
packaging make this nonblocking switch matrix ideal
for routing video signals in security and video-on­demand systems.
The MAX4356 is available in a 128-pin TQFP package
and specified over an extended -40°C to 85°C temper­ature range.

Applications

Security Systems
Video Routing
Video-on-Demand Systems

Features

♦ 16 ✕16 Nonblocking Matrix with Buffered Inputs

and Outputs

♦ Operates from ±3V, ±5V, or +5V Supplies

♦ Individually Programmable Output Buffer Gain

(A

V

= +1V/V or +2V/V)

♦ High-Impedance Output Disable for Wired-OR

Connections

♦ Fast-Switching (40ns) 2:1 OSD Insertion Mux

♦ 0.1dB Gain Flatness to 14MHz

♦ -62dB Crosstalk, -110dB Isolation at 6MHz

♦ 0.02%/0.12° Differential Gain/Differential Phase

Error

♦ Low 195mW Power Consumption (0.76mW per

Point)

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch

with On-Screen Display Insertion and I/O Buffers

________________________________________________________________ Maxim Integrated Products 1

Ordering Information

OUT0

OSDFILL0

OSDKEY0

OSDFILL1

OSDKEY1

OSDFILL15

OSDKEY15

OUT1

OUT15

IN0

CAMERAS

IN1

IN15

MONITOR

MONITOR

MONITOR

MAX4356

OSD GENERATOR

MAX4356

16 x 16

SWITCH MATRIX

POWER-ON

RESET

SERIAL

INTERFACE

THERMAL

SHUTDOWN

DECODE LOGIC

DISABLE ALL OUTPUTS

LATCHES

256

16

16

MATRIX REGISTER

96 BITS

UPDATE REGISTER

16 BITS

2:1
OSD
MUX

ENABLE/DISABLE

AV*

AV*

AV*

AV*

*AV = +1V/V OR +2V/V

A0-A3 MODE

IN0

IN1

IN2

IN15

DIN

SCLK

UPDATE

CE

RESET

OSDKEY0 OSDKEY15

OSDKEY1

OSDFILL0 OSDFILL15

OUT0

OUT1

OUT2

OUT15

V

CC

V

EE

DGND

V

DD

DOUT

AOUT

OSDFILL1

AGND

Typical Operating Circuit

Functional Diagram

19-2113; Rev 0; 8/01

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.

SPI and QSPI are trademarks of Motorola, Inc.

Pin Configuration appears at end of data sheet.

查询MAX4356ECD供应商

PART TEMP. RANGE PIN-PACKAGE

MAX4356ECD -40°C to +85°C 128 TQFP

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch
with On-Screen Display Insertion and I/O Buffers

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS—DUAL SUPPLIES ±5V

(VCC= +5V, VEE= -5V, VDD= +5V, AGND = DGND = 0, VIN_= 0, V

OSDFILL

_ = 0, RL= 150Ω to AGND, and TA= T

MIN

to T

MAX

,

unless otherwise noted. Typical values are at T

A

= +25°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.

Analog Supply Voltage (VCC- VEE) .....................................+11V

Digital Supply Voltage (V

DD

- DGND) ...................................+6V

Analog Supplies to Analog Ground

(V

CC

- AGND) and (AGND - VEE) ......................................+6V

Analog Ground to Digital Ground .........................-0.3V to +0.3V

IN_, OSDFILL_ Voltage Range........ (V

CC

+ 0.3V) to (VEE- 0.3V)

OUT_ Short-Circuit Duration to AGND, V

CC

, or VEE......Indefinite

SCLK, CE, UPDATE, MODE, A_, DIN, DOUT,

RESET, AOUT, OSDKEY_.......(V

DD

+ 0.3V) to (DGND - 0.3V)

Current into Any Analog Input Pin (IN_, OSDFILL_) .........±50mA

Current into Any Analog Output Pin (OUT_).....................±75mA

Continuous Power Dissipation (T

A

= +70°C)

128-Pin TQFP (derate 25mW/°C above +70°C).................2W

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) ................................ +300°C

Operating Supply Voltage
Range

Logic Supply Voltage Range

PARAMETER SYMBOL

V

CC

V

EE

VDD to
DGND

­Guaranteed by PSRR test

CONDITIONS

MIN

4.5

2.7

TYP

MAX UNITS

10.5

5.5

V

V

Gain (Note 1)

Gain Matching
(Channel to Channel)

(VEE + 2.5V) < V

= +1V/V, RL = 150Ω

A

V

(VEE + 2.5V) < V

= +1V/V, RL = 10kΩ

A

V

(VEE + 3.75V) < V

A

AV = +2V/V, RL = 150Ω

V

(VEE + 3.75V) < V
AV = +2V/V, RL = 10kΩ

(VEE + 1V) < V
AV = +1V/V, RL = 10kΩ

RL = 10kΩ

RL = 150Ω

< (VCC - 2.5V),

IN

_

< (VCC - 2.5V),

IN

_

< (VCC - 3.75V),

IN

_

< (VCC - 3.75V)

IN

_

< (VCC - 1.2V),

IN

_

0.97 0.995

0.99 0.999

1.92 1.996

1.94 2.008

0.95 0.994

0.5

0.5

1

1

2.08

2.06

1

1.5

2

V/V

%

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch

with On-Screen Display Insertion and I/O Buffers

_______________________________________________________________________________________ 3

DC ELECTRICAL CHARACTERISTICS—DUAL SUPPLIES ±5V (continued)

(VCC= +5V, VEE= -5V, VDD= +5V, AGND = DGND = 0, VIN_= 0, V

OSDFILL

_ = 0, RL= 150Ω to AGND, and TA= T

MIN

to T

MAX

,

unless otherwise noted. Typical values are at T

A

= +25°C.)

Temperature Coefficient of Gain TC

Input Voltage Range

Output
Voltage Range

Input Bias Current

Input Resistance

Output Offset Voltage

PARAMETER SYMBOL

VIN_

V

OUT

I

B

R

IN

V

OFFSET

AV

_

AV = +1V/V

AV = +2V/V

RL = 10kΩ

RL = 150Ω

(VEE + 1V) < V

AV = +1V/V

AV = +2V/V

CONDITIONS

RL = 10kΩ

RL = 150Ω

RL = 10kΩ

RL = 150Ω

< (VCC - 1.2V)

IN

_

MIN

V

+ 1

E E

V

+

E E

2.5

V

+

E E

3

V

+

E E

3.75

V

+

E E

1

V

+

E E

2.5

10
±5

TYP

10

4

±10

MAX UNITS

V

-

C C

1.2

V

-

C C

2.5

V

-

C C

3.1

V

-

C C

3.75

V

-

C C

1.2

V

-

C C

2.5

11

±20

±40

ppm/°C

V

V

V

µA

MΩ

mV

Output Short-Circuit Current

Enabled Output Impedance

Output Leakage Current,
Disable Mode

DC Power-Supply Rejection
Ratio

Quiescent
Supply Current

I

SC

Z

OUT

I

OD

PSRR 4.5V < (V

I

CC

I

EE

I

DD

Sinking or sourcing, RL = 1Ω

(VEE + 1V) < V

(VEE + 1V) < V

RL = ∞

RL = ∞

< (VCC - 1.2V)

IN

_

OUT

- VEE) < 10.5V

CC

< (VCC - 1.2V)

_

Outputs enabled,

= +25°C

T

A

Outputs enabled

Outputs disabled

Outputs enabled,

= +25°C

T

A

Outputs enabled

Outputs disabled

±40

60

0.2

0.004

70

110

60

105

55

4

1

160

185

80

160

185

80

8

mA

Ω

µA

dB

mA

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch
with On-Screen Display Insertion and I/O Buffers

4 _______________________________________________________________________________________

DC ELECTRICAL CHARACTERISTICS—DUAL SUPPLIES ±3V

(VCC= +3V, VEE= -3V, VDD= +3V, AGND = DGND = 0, VIN_ = 0, V

OSDFILL

_ = 0, RL= 150Ω to AGND, and TA= T

MIN

to T

MAX

,

unless otherwise noted. Typical values are at T

A

= +25°C.)

Operating Supply Voltage

Range

Logic Supply Voltage Range

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

V

- V

CC

V

DD

DGND

Gain (Note 1) A

Gain Matching
(Channel to Channel)

Temperature Coefficient of

Gain

Input Voltage Range V

Output Voltage Range V

Input Bias Current I
Input Resistance R

Output Offset
Voltage

TC

OUT

V

OFFSET

IN

B

IN

Guaranteed by PSRR test 4.5 10.5 V

EE

to

(V

+ 1V) < V

EE

A

= +1V/V, RL = 150Ω

V

(V

+ 1V) < V

EE

A

= +1V/V, RL = 10kΩ

V

AV

_

V

(V

+ 2V) < V

EE

= +2V/V, RL = 150Ω

A

V

(V

+ 2V) < V

EE

= +2V/V, RL = 10kΩ

A

V

R

= 10kΩ 0.5 1.5

L

RL = 150Ω 0.5 2

10 ppm/°C

AV = +1V/V

A

= +2V/V

V

R

= 10kΩ

L

R

= 150Ω

L

(V

+ 1V) < V

EE

A

= +1V/V ±5 ±20

V

A

= +2V/V ±10 ±40

V

< (VCC - 1.2V),

IN

_

< (VCC - 1.2V),

IN

_

< (VCC - 2.1V),

IN

_

< (VCC - 2.1V)

IN

_

< (VCC - 1.2V) 10 MΩ

IN

_

2.7 5.5 V

0.94 0.983 1

0.96 0.993 1

1.92 1.985 2.08

1.94 2.000 2.06

RL = 10kΩ

R

= 150Ω

L

R

= 10kΩ

L

R

= 150Ω

L

+

EE

1

V

+

EE

1

V

+

EE

2

V

+

EE

2

V

+

EE

1

V

+

EE

1

VCC -

1.2

VCC -

1.2

VCC -

2.1

VCC -

2.1

VCC -

1.2

VCC -

1.2

V

4 11 µA

V/V

%

V

V

mV

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch

with On-Screen Display Insertion and I/O Buffers

_______________________________________________________________________________________ 5

DC ELECTRICAL CHARACTERISTICS—DUAL SUPPLIES ±3V (continued)

(VCC= +3V, VEE= -3V, VDD= +3V, AGND = DGND = 0, VIN_ = 0, V

OSDFILL

_ = 0, RL= 150Ω to AGND, and TA= T

MIN

to T

MAX

,

unless otherwise noted. Typical values are at T

A

= +25°C.)

DC ELECTRICAL CHARACTERISTICS—SINGLE SUPPLY +5V

(VCC= +5V, VEE= 0, VDD= +5V, AGND = DGND = 0, VIN_ = V

OSDFILL

_ = +1.75V, AV= +1V/V, RL= 150Ω to AGND, and TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.)

Output Short-Circuit Current I
Enabled Output Impedance Z

Output Leakage Current,

Disable Mode

DC Power-Supply Rejection

Ratio

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

SC

OUT

I

OD

PSRR 4.5V < (V

I

CC

Sinking or sourcing, R
(V

+ 1V) < V

EE

(V

EE

R

= ∞

L

+ 1V) < V

IN

OUT

- VEE) < 10.5V 60 75 dB

CC

< (VCC - 1.2V) 0.2 Ω

_

< (VCC - 1.2V) 0.004 1 µA

_

Quiescent
Supply
Current

I

I

EE

DD

RL = ∞

= 1Ω ±40 mA

L

Outputs enabled 95

Outputs disabled 50
Outputs enabled 90
Outputs disabled 45

3

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Operating Supply Voltage

Range

Logic-Supply Voltage Range

Gain (Note 1) A

Gain Matching (Channel to
Channel)

Temperature Coefficient of Gain TC

Input Voltage Range V

V

CC

V

to

DD

DGND

V

AV

IN

Guaranteed by PSRR test 4.5 5.5 V

2.7 5.5 V

(V

+ 1V) < V

EE

A

= +1V/V, RL = 150Ω

V

(V

+ 1V) < V

EE

AV = +1V/V, RL = 10kΩ

R

= 10kΩ 0.5 3

L

RL = 150Ω 0.5

10

A

= +1V/V

V

IN

< (VCC - 2.5V),

< (VCC - 1.2V),

IN

R

R

= 10kΩ

L

= 150Ω

L

0.94 0.995 1

0.94 0.995 1

V

EE

+ 1

V

+ 1

EE

3

V

CC

- 1.2

V

CC

- 2.5

mA

V/V

%

ppm/°

C

V

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch
with On-Screen Display Insertion and I/O Buffers

6 _______________________________________________________________________________________

DC ELECTRICAL CHARACTERISTICS—SINGLE SUPPLY +5V (continued)

(VCC= +5V, VEE= 0, VDD= +5V, AGND = DGND = 0, VIN_ = V

OSDFILL

_ = +1.75V, AV= +1V/V, RL= 150Ω to AGND, and TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Output Voltage
Range

Input Bias Current I
Input Resistance R
Output Offset Voltage V
Output Short-Circuit Current I
Enabled Output Impedance Z

Output Leakage Current,

Disable Mode

DC Power-Supply Rejection

Ratio

V

OUT

OFFSET AV

SC

OUT

I

OD

PSRR 4.5V < (V

AV = +1V/V, RL = 10kΩ

A

= +1V/V, RL = 150Ω

V

4 11 µA

B

V

IN

+ 1V < V

EE

= +1V/V ±10 ±40 mV

Sinking or sourcing, R
(V

+ 1V) < V

EE

(V

+ 1V) < V

EE

IN

–

IN

OUT

CC - VEE

V

EE

+ 1

V

EE

+ 1

< VCC - 1.2V 10 MΩ

= 1Ω

L

< (VCC - 1.2V)

–

< (VCC - 1.2V) 0.004 1 µA

–

) < 5.5V 50 65 dB

±35

0.2

V

CC

- 1.2

V

CC

- 2.5

mA
Ω

V

Quiescent Supply
Current

I

I

I

CC

EE

DD

R

= ∞

L

Outputs enabled, T

= +25°C 85

A

Outputs disabled 35

R

= ∞

L

Outputs enabled, T

= +25°C 80

A

Outputs disabled 30

4

mA

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch

with On-Screen Display Insertion and I/O Buffers

_______________________________________________________________________________________ 7

LOGIC-LEVEL CHARACTERISTICS

(VCC- V

EE)

= +4.5V to +10.5V, VDD= +2.7V to +5.5V, AGND = DGND = 0, VIN_ = V

OSDFILL

_ = 0, RL= 150Ω to AGND, and

T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)

AC ELECTRICAL CHARACTERISTICS—DUAL SUPPLIES ±5V

(VCC= +5V, VEE= -5V, VDD= +5V, AGND = DGND = 0, VIN_ = V

OSDFILL

_ = 0, RL= 150Ω to AGND, and TA= +25°C, unless other-

wise noted.)

_

Input Voltage High Level V

Input Voltage
Low Level

Input Current
High Level

Input Current
Low Level

Output Voltage High
Level

Output Voltage Low
Level

Output Current High
Level

Output Current
Low Level

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

VDD = +5.0V 3

IH

VDD = +2.7V 2

V

V

IL

I

IH

I

IL

V

OH

V

OL

I

OH

I

OL

DD

VDD = +2.7V 0.6

V

I

VI < 1V

I

SOURCE

I

SOURCE

I

SINK

I

SINK

VDD = +5V, VO = +4.9V 1 5

VDD = +2.7V, VO = +2.4V 1 3

VDD = +5V, VO = +0.1V 1 5

VDD = +2.7V, VO = +0.3V 1 3

= +5.0V 0.8

> 2V

= 1mA, VDD = +5V 4.7 4.9

= 1mA, VDD = +2.7V 2.3 TBD

= 1mA, VDD = +5V 0.1 0.3

= 1mA, VDD = +2.7V 0.3 0.5

Excluding RESET -1 0.01 1

RESET TBD TBD
Excluding RESET -1 0.01 1
RESET TBD TBD

V

V

µA

µA

V

V

mA

mA

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Small-Signal -3dB
Bandwidth

Medium-Signal -3dB
Bandwidth

Large-Signal -3dB
Bandwidth

Small-Signal 0.1dB
Bandwidth

Medium-Signal

0.1dB Bandwidth

Large-Signal 0.1dB
Bandwidth

Slew Rate SR

BW

BW

BW

BW

SS

BW

MS

BW

LS

0.1dB-SS

0.1dB-MS

0.1dB-LS

V

= 20mVp-p

OUT

V

=

OUT

_

200mVp-p

V

= 2Vp-p

OUT

_

V

= 20mVp-p

OUT

V

=

OUT

_

200mVp-p

V

= 2Vp-p

OUT

_

V

= 2V step,

OUT

_

A

= +1V/V

V

V

= 2V step,

OUT

_

A

= +2V/V

V

A

= +1V/V 110

V

A

= +2V/V 78

V

A

= +1V/V 80

V

A

= +2V/V 75

V

A

= +1V/V 40

V

A

= +2V/V 50

V

A

= +1V/V 14

V

A

= +2V/V 11

V

A

= +1V/V 14

V

A

= +2V/V 11

V

A

= +1V/V 14

V

A

= +2V/V 11

V

150

150

MHz

MHz

MHz

MHz

MHz

MHz

V/µs

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch
with On-Screen Display Insertion and I/O Buffers

8 _______________________________________________________________________________________

AC ELECTRICAL CHARACTERISTICS—DUAL SUPPLIES ±5V (continued)

(VCC= +5V, VEE= -5V, VDD= +5V, AGND = DGND = 0, VIN_ = V

OSDFILL

_ = 0, RL= 150Ω to AGND, AV= +1V/V, and TA= +25°C,

unless otherwise noted.)

AC ELECTRICAL CHARACTERISTICS—DUAL SUPPLIES ±3V

(VCC= +3V, VEE= -3V, VDD= +3V, AGND = DGND = 0, VIN_= V

OSDFILL

_ = 0, RL= 150Ω to AGND, AV= +1V/V, and TA= +25°C,

unless otherwise noted.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

V

= 0 to 2V

OUT_

Settling Time t

Switching Transient
(Glitch) (Note 3)

AC Power-Supply
Rejection Ratio

Differential Gain
Error (Note 4)

Differential Phase
Error (Note 4)

S 0.1%

step

A

= +1V/V 50

V

AV = +2V/V 45

f = 100kHz 70

f = 1MHz 68

R

= 1kΩ 0.002

L

RL = 150Ω 0.02

R

= 1kΩ 0.02

L

RL = 150Ω 0.12

Crosstalk, All Hostile f = 6MHz -62 dB
Off-Isolation, Input-to-Output f = 6MHz -110 dB
Input Noise Voltage Density e
Input Capacitance C
Disabled Output

Capacitance

Capacitive Load at 3dB

Output Peaking

Output Impedance Z

n

IN

Amplifier in disable mode 3 pF

30 pF

OUT

BW = 6MHz 73 µV
5 pF

f = 6MHz

A

= +1V/V 60

V

A

= +2V/V 60

V

Output enabled 3
Output disabled 4k

ns

mV

dB

%

d eg r ees

RMS

Ω

Small-Signal

-3dB Bandwidth

Medium-Signal

-3dB Bandwidth

Large-Signal -3dB
Bandwidth

Small-Signal

0.1dB Bandwidth

Medium-Signal

0.1dB Bandwidth

Large-Signal 0.1dB
Bandwidth

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

V

=

OUT

_

20mVp-p

V

=

OUT

_

200mVp-p

V

= 2Vp-p

OUT

_

V

=

OUT_

20mVp-p

V

=

OUT

_

200mVp-p

V

= 2Vp-p

OUT

_

BW

BW

BW

BW

SS

BW

MS

BW

LS

0.1dB-SS

0.1dB-MS

0.1dB-LS

A

= +1V/V 110

V

A

= +2V/V 70

V

A

= +1V/V 110

V

A

= +2V/V 70

V

A

= +1V/V 32

V

A

= +2V/V 38

V

A

= +1V/V 12

V

A

= +2V/V 12

V

A

= +1V/V 12

V

A

= +2V/V 12

V

A

= +1V/V 12

V

A

= +2V/V 12

V

MHz

MHz

MHz

MHz

MHz

MHz

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch

with On-Screen Display Insertion and I/O Buffers

_______________________________________________________________________________________ 9

AC ELECTRICAL CHARACTERISTICS—DUAL SUPPLIES ±3V (continued)

(VCC= +3V, VEE= -3V, VDD= +3V, AGND = DGND = 0, VIN_= V

OSDFILL

_ = 0, RL= 150Ω to AGND, AV= +1V/V, and TA= +25°C,

unless otherwise noted.)

Slew Rate SR

Settling Time t

Switching Transient
(Glitch) (Note 3)

AC Power-Supply
Rejection Ratio

Differential Gain Error
(Note 4)

Differential Phase
Error (Note 4)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

V

= 2V step

_

OUT

A

= +1V/V

V

V

= 2V step

OUT

_

A

= +2V/V

V

V

S 0.1%

= 0 to 2V step

O

A

= +1V/V 20

V

AV = +2V/V 20

f = 100kHz 72

f = 1MHz 71

R

= 1kΩ 0.02

L

RL = 150Ω 0.15

R

= 1kΩ 0.05

L

RL = 150Ω 0.2

125

125

A

= +1V/V 60

V

A

= +2V/V 60

V

d eg r ees

Crosstalk, All Hostile f = 6MHz -63 dB
Off-Isolation, Input to Output f = 6MHz -112 dB
Input Noise Voltage Density e
Input Capacitance C

n

IN

_

BW = 6MHz 73 µV

5 pF

Disabled Output Capacitance Amplifier in disable mode 3 pF

Capacitive Load at 3dB

Output Peaking

Output Impedance Z

30 pF

OUT

f =

6MHz

Output enabled 3
Output disabled 4k

V/µs

ns

mV

dB

%

RMS

Ω

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch
with On-Screen Display Insertion and I/O Buffers

10 ______________________________________________________________________________________

AC ELECTRICAL CHARACTERISTICS—SINGLE SUPPLY +5V

(VCC= +5V, VEE= 0, VDD= +5V, AGND = DGND = 0, VIN_ = V

OSDFILL

_ = 1.75V, RL= 150Ω to AGND, AV= +1V/V, and TA=

+25°C, unless otherwise noted.)

p

y

PARAMETER SYMBOL CONDITIONS MIN TYP MAX

Small-Signal

-3dB Bandwidth
Medium-Signal -3dB
Bandwidth
Large-Signal

-3dB Bandwidth
Small-Signal

0.1dB Bandwidth
Medium-Signal

0.1dB Bandwidth
Large-Signal

0.1dB Bandwidth
Slew Rate SR V

Settling Time t

BW

BW

BW

BW

SS

BW

MS

BW

LS

0.1dB-SS

0.1dB-MS

0.1dB-LS

S 0.1%

V

OUT_

V

OUT

_

V

OUT

_

V

_ = 20mVp-p 10 MHz

OUT

V

OUT

_

V

OUT_

OUT

_

V

OUT_

= 20mVp-p 100 MHz

= 200mVp-p 100 MHz

= 1.5Vp-p 40 MHz

= 200mVp-p 12 MHz

= 1.5Vp-p 14 MHz

= 2V step, AV = +1V/V 100 V/µs

= 0 to 2V step 60 ns

UNITS

Switching Transient
(Glitch)

AC Power-Supply
Rejection Ratio

Differential Gain Error
(Note 4)

Differential Phase
Error (Note 4)

25 mV

f = 100kHz 70

f = 1MHz 69

R

= 1kΩ 0.1

L

RL = 150Ω 0.2

R

= 1kΩ 0.05

L

RL = 150Ω 0.2

dB

%

d eg r ees

Crosstalk, All Hostile f = 6MHz -63 dB
Off-Isolation, Input-to-

ut

Out

Input Noise Voltage

Densit

Input Capacitance C
Disabled Output

Capacitance

Capacitive Load at 3dB

Output Peaking

Output
Impedance

f = 6MHz -110 dB

e

n

IN

_

BW = 6MHz 73 µV

5 pF

Amplifier in disable mode 3 pF

30 pF

Z

OUT

f = 6MHz

Output enabled 3
Output disabled 4k

RMS

Ω

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch

with On-Screen Display Insertion and I/O Buffers

______________________________________________________________________________________ 11

SWITCHING CHARACTERISTICS

((VCC- VEE) = +4.5V to +10.5V, VDD= +2.7V to +5.5V, DGND = AGND = 0, VIN_ = V

OSDFILL

_ = 0 for dual supplies, VIN_ =

V

OSDFILL

_ = +1.75V for single supply, RL= 150Ω to AGND, CL= 100pF, AV= +1V/V, and TA= T

MIN

to T

MAX

, unless otherwise

noted. Typical values are at TA= +25°C. )

Note 1: Associated output voltage may be determined by multiplying the input voltage by the specified gain (AV) and adding output

offset voltage. Gain is specified for IN_ and OSDFILL_ signal paths.

Note 2: Logic-level characteristics apply to the following pins: DIN, DOUT, SCLK, CE, UPDATE, RESET, A3–A0, MODE, AOUT, and

OSDKEY_.

Note 3: Switching transient settling time is guaranteed by the settling time (t

S

) specification. Switching transient is a result of updat-

ing the switch matrix.

Note 4: Input test signal: 3.58MHz sine wave of amplitude 40IRE superimposed on a linear ramp (0 to 100IRE). IRE is a unit of

video-signal amplitude developed by the International Radio Engineers: 140IRE = 1.0V.

Note 5: All devices are 100% production tested at T

A

= +25°C. Specifications over temperature limits are guaranteed by design.

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Delay: UPDATE to Video Out t

Delay: UPDATE to AOUT t

Delay: OSDKEY_ to Output

t

Delay: SCLK to DOUT Valid t

Delay: Output Disable t

Delay: Output Enable t

Setup: CE to SCLK t
Setup: DIN to SCLK t
Hold Time: SCLK to DIN t
Minimum High Time: SCLK t
Minimum Low Time: SCLK t
Minimum Low Time: UPDATE t

Setup Time: UPDATE to SCLK t

Hold Time: SCLK to UPDATE t

Setup Time: MODE to SCLK t

Hold Time: MODE to SCLK t

Minimum Low Time: RESET t
Delay: RESET t

PdUdVo VIN

PdUdAo

PdOkVo/

t

PdOfVo

PdDo

PdHOe

PdLOe

SuCe

SuDi

HdDi

MnHCk

MnLCk

MnLUd

SuHUd

HdHUd

SuMd

HdMd

MnLRst

PdRst

= 0.5V step 200 450 ns

MODE = 0, time to AOUT = low after

UPDATE = low

V

= +5V 40

V

OUT

= 0.5V step

DD

V

= +3V 60

DD

Logic state change in DOUT on active

SCLK edge

V

= 0.5V, 1kΩ pulldown to AGND 300 800 ns

OUT

Output disabled, 1kΩ pulldown to AGND,

= 0.5V

V

IN

100 ns
100 ns
100 ns
100 ns
100 ns
100 ns

Rising edge of UPDATE to falling edge of

SCLK

Falling edge of SCLK to falling edge of

UPDATE

Minimum time from clock edge to MODE

with valid data clocking

Minimum time from clock edge to MODE

with valid data clocking

300 ns
10kΩ pulldown to AGND,

0.5V step

30 200 ns

30 200 ns

200 800 ns

100 ns

100 ns

100 ns

100 ns

600 ns

ns

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch
with On-Screen Display Insertion and I/O Buffers

12 ______________________________________________________________________________________

Symbol Definitions

Naming Conventions

• All parameters with time units are given a "t" desig­nation, with appropriate subscript modifiers.

• Propagation delays for clocked signals are from the
active edge of clock.

• Propagation delay for level-sensitive signals is from
input to output at the 50% point of a transition.

• Setup and hold times are measured from the 50%
point of signal transition to the 50% point of the
clocking signal transition.

• Setup time refers to any signal that must be stable
before the active clock edge, even if the signal is
not latched or clocked itself.

• Hold time refers to any signal that must be stable
during and after active clock edge, even if the sig­nal is not latched or clocked.

• Propagation delays to unobservable internal signals
are modified to setup and hold designations
applied to observable I/O signals.

SYMBOL TYPE DESCRIPTION

Ao Signal

Ce Signal Clock Enable (CE)

Ck Signal Clock (SCLK)

Di Signal Serial Data In (DIN)

Do Signal

Md Signal MODE

Oe Signal Output enable

Rst Signal Reset Input (RESET)

Ud Signal UPDATE

Vo Signal Video Out (OUT)

H Property

Hd Property Hold

L Property

Mn Property Minimum

Mx Property Maximum

Pd Property Propagation delay

Su Property Setup

Tr Property Transition

W Property Width

Address Valid Flag
(AOUT)

Serial Data Output
(DOUT)

High- or Low-to-High
transition

Low- or High-to-Low
transition

MAX4356

16 x 16 Nonblocking Video Crosspoint Switch

with On-Screen Display Insertion and I/O Buffers

______________________________________________________________________________________ 13

Figure 1. Timing Diagram

Ce: CE

Ck: SCLK

Di: DIN

Do: DOUT

Ud: UPDATE

Vo: OUT_

Ao: AOUT

Rst: RESET

t

PdHOeVo

Oe: OUTPUT ENABLE

IN_

t

PdDo

t

t

SuCe

MnHCk

t

MnLCk

Hi-Z

OSD: KEY AND FILL TIMING

DATA AND CONTROL TIMING

t

SuDi

t

HdDi

t

t

PdLOeVo

MnLUd

t

t

PdUdAo

PdUdVo

t

WTrVo

t

HdUd

VIDEO SOURCE

(SELECTED INPUT)

t

SuUd

t

HdCe

t

PdRstVo

t

MnlRst

Hi-Z

TIMING PARAMETER DEFINITIONS
NAME DESCRIPTION
t

HdDi

t

MnHCk

t

MnLCk

t

MnLUd

t

SuHUd

Hold Time: Clock to Data In
Min High Time: Clk
Min Low Time: Clk
Min Low Time: Update

Setup Time: UPDATE to Clk with UPDATE High
Not Valid Setup Time: UPDATE to Clk with UPDATE Low
t

HdHUd

Hold Time: Clk to UPDATE with UPDATE high
Not Valid Hold Time: Clk to UPDATE with UPDATE Low
t

PdDiDo

t

MnMd

t

MxTr

t

MnLRst

t

PdRstVo

Asynchronous Delay: Data In to Data Out

Min Low Time: MODE

Max Rise Time: Clk, Update

Min Low Time: Reset

Delay: Reset to Video Output

TIMING PARAMETER DEFINITIONS

NAME DESCRIPTION

t

PdUdVo

t

PdUdAo

t

PdOkVo

t

PdOfVo

t

PdDo

t

PdHOeVo

Delay: Update to Video Out
Delay: UPDATE to Aout
Delay: OSD Key to Video Output
Delay: OSD Fill to Video Output
Delay: Clk to Data Out
Delay: Output Enable to Video Output
(High: Disable)

t

PdLOeVo

Delay: Output Enable to Video Output

(Low: Enable)
t
t

SuCe

SuDi

Setup: Clock Enable to Clock

Setup Time: Data In to Clock

Of: OSDFILL

Ok: OSDKEY

OUT

i

i

i

t

PdHOkVo

(WITH SUPERIMPOSED OSD)

t

PdLOkVo

t

PdLOfVo

VIDEO OUTPUT