Rainbow Electronics MAX9501 User Manual

General Description

The MAX9500/MAX9501 are fully integrated solutions
for filtering and buffering HDTV signals. The MAX9500
operates from a single +5V supply, while the MAX9501
operates from dual ±5V supplies. The MAX9500/
MAX9501 triple-channel video reconstruction filters are
both gain and delay matched and are ideal for use in
set-top boxes, DVD players, and other equipment that
generate analog HDTV outputs.

The MAX9500/MAX9501 interface between the current­output, digital-to-analog converters (DAC) of an
Advanced Television Standard Committee (ATSC),
Motion Picture Experts Group (MPEG) decoder and the
external connections of a television, set-top box, or
DVD player.

The MAX9500/MAX9501 feature a DC-coupled input with
very low input capacitance and high resistance. The
highly selective lowpass filters remove spectral replicas
at the output of the DAC. The output amplifier has +6dB
of gain to drive 75Ω back-terminated loads to unity gain.
The DC-coupled input eliminates problems such as sync
crush, droop, and field tilt. The output load can be DC- or
AC-coupled, depending on the application.

All three channels in the MAX9500/MAX9501 have the
same frequency response with matched group delay
and gain. The MAX9500/MAX9501 filter response meets
the requirements of the EIA-770.3/SMPTE274M filter
template achieving > 40dB attenuation at 44.25MHz.
The MAX9500/MAX9501 can also be used as an anti­aliasing filter for HDTV component inputs.

The MAX9500/MAX9501 are available in 16-pin SO and
compact 16-pin QSOP packages, and are fully specified
over the –40°C to +85°C extended temperature range.

Applications

Cable and Satellite Set-Top Box Receivers

A/V Receivers

Home Theater Systems

HDTV Sets

DVD Players

Video Projectors

Digital Displays

Features

♦ 30MHz Bandwidth at ±1.5dB

♦ Extremely Sharp Rolloff, Lowpass Filters

-50dB at 44.25MHz

♦ DC-Coupled Inputs; AC- or DC-Coupled Outputs

♦ ±5V Dual Supply (MAX9501)

♦ 5V Single Supply (MAX9500)

♦ Matched Group Delay and Gain

♦ Drive Single/Double Back-Terminated Loads

(150Ω/75Ω) Directly to Ground

♦ Sink and Source Output Current

♦ High Input Impedance to Interface to Low Output-

Current DAC

♦ 16-Pin SO and QSOP Packages

MAX9500/MAX9501

Triple-Channel HDTV Filters

________________________________________________________________ Maxim Integrated Products 1

Ordering Information

19-3779; Rev 1; 11/05

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.

PART

TEMP RANGE

PIN-

SUPPLY

VOLTAGE

(V)

MAX9500ESE+*

16 SO +5

MAX9500EEE+

16 QSOP +5

MAX9501ESE+*

16 SO ±5

MAX9501EEE+*

16 QSOP ±5

Pin Configurations appear at end of data sheet.

+Denotes lead-free package.
*Future product—contact factory for availability.

MAX9500
MAX9501

10-BIT

DAC

150Ω

75Ω

LPF

10-BIT

DAC

150Ω

75Ω

LPF

10-BIT

DAC

150Ω

75Ω

LPF

MPEG

DECODER

+6dB

+6dB

+6dB

YOUT

PbOUT

PrOUT

YIN

PbIN

PrIN

GND SUBG

(MAX9500)

0.1µF

V

CC

0.1µF

V

EE

(MAX9501)

Typical Operating Circuit

PACKAGE

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

MAX9500/9501/MAX9501

Triple-Channel HDTV Filters

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS—MAX9500 (Single Supply)

(VCC= 5V, RL= ∞, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)

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.

Positive Supply Voltage (VCCto GND) ....................-0.3V to +6V

Negative Supply Voltage (MAX9501)

(V

EE

to GND) ........................................................+0.3V to -6V

All Input Pins...............................................-0.3V to (V

CC

+ 0.3V)

All Output Pins (MAX9500).........................-0.3V to (V

CC

+ 0.3V)

All Output Pins (MAX9501) ............................(V

EE

- 0.3V) to +3V

Output Short-Circuit Duration

(OUT to V

CC

or GND) (MAX9500) ......................................10s

Output Short-Circuit Duration

(OUT to GND or V

EE

) (MAX9501)........................................10s

Continuous Input Current (YIN, PbIN, PrIN) .....................±20mA

Continuous Power Dissipation (T

A

= +70°C)

16-Pin SO (derate 13mW/°C above +70°C)...............1039mW

16-Pin QSOP (derate 12.8mW/°C above +70°C).......1025mW

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

PARAMETER

CONDITIONS

UNITS

DC CHARACTERISTICS

Supply Voltage Range V

CC

Guaranteed by PSRR 4.5 5.0 5.5 V

Quiescent Supply Current
(Per Channel)

I

CC

34 46 mA

Input Voltage Range V

IN

Guaranteed by voltage gain 0 1.4 V

+6

RL = 150Ω to 2V

+6

+6

Voltage Gain A

V

VIN = 0 to 1.4V

R

L

= 75Ω to 2V

+6

dB

Gain Matching ∆A

V

Any two channels

0

dB

Input Bias Current I

B

VIN = 0V 4 10 µA

Input Resistance R

IN

VIN = 0 to 1.4V

kΩ

Output Offset Voltage V

OS

VIN = 0V

0.8

V

Power-Supply Rejection Ratio PSRR VCC = 4.5V to 5.5V, VIN = 1.4V 30 60 dB

AC CHARACTERISTICS (RL = 150Ω to GND, unless otherwise noted)

Passband Flatness A

PB

f = 0.1MHz to 30MHz, VIN = 1V

P-P

,

T

A

= +25°C

dB

f = 44.25MHz, VIN = 1V

P-P

, TA = +25°C 40 51 dB

Attenuation A

SB

f = 74.25MHz, VIN = 1V

P-P

38 dB

Settling Time t

S

VIN = 1V

P-P

, V

OUT

< 1%

ns

Slew Rate SR VIN = 1V

P-P

V/µs

Bar Response BR

Bar time is one-half the active line of a 1080i
format signal; the beginning 2.5% and the
ending 2.5% of the bar time is ignored

0.4 K%

SYMBOL

MIN TYP MAX

RL = 150Ω to GND +5.5

+5.5

RL = 75Ω to GND +5.5

+5.5

-0.5

250 800

0.65

±3.0 ±1.5

150

100

+6.4

+6.4

+6.4

+6.4

+0.5

1.00

MAX9500/MAX9501

Triple-Channel HDTV Filters

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS—MAX9500 (Single Supply) (continued)

(VCC= 5V, RL= ∞, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)

PARAMETER

CONDITIONS

UNITS

Nonlinearity NL 5-step staircase 0.4 %

Channel Delay t

D

Difference in time between the 50% point of
the output signals, Y to Pb and Y to Pr

< 1 ns

Group Delay GD

100kHz ≤ f ≤ 20MHz, V

YOUT

= V

PbOUT

=

V

PrOUT

= 2V

P-P

26 ns

Group-Delay Variation ∆GD

100kHz ≤ f ≤ 20MHz, V

YOUT

= V

PbOUT

=

V

PrOUT

= 2V

P-P

ns

Channel-to-Channel Group-Delay
Matching

V

YOUT

= V

PbOUT

= V

PrOUT

= 2V

P-P

, Y to Pb

and Y to Pr, 1MHz ≤ f ≤ 20MHz

0.2 ns

Peak Signal-to-RMS Noise SNR 100kHz ≤ f ≤ 20MHz, VIN = 1V

P-P

60 dB

Power-Supply Rejection Ratio

f = 100kHz, V

RIPPLE

= 200mV

P-P

60 dB

Output Impedance Z

O

f = 30MHz 8 Ω

Input Capacitance C

IN

1pF

Capacitive-Load Drive C

L

No sustained oscillations 25 pF

ELECTRICAL CHARACTERISTICS—MAX9501 (Dual Supply)

(VCC= 5V, VEE= -5V, RL= ∞, TA= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC CHARACTERISTICS

Positive Supply Voltage Range V

CC

Guaranteed by PSRR 4.5 5.0 5.5 V

Negative Supply Voltage Range V

EE

Guaranteed by PSRR

V

V

CC

Quiescent Supply Current

(Per Channel)

I

CC

35 48 mA

V

EE

Supply Current

(Per Channel)

I

EE

69mA

Input Voltage Range V

IN

Guaranteed by voltage gain 0 1.4 V

+6

Voltage Gain A

V

VIN = 0 to 1.4V

+6

dB

Gain Matching ∆A

V

Any two channels

0

dB

Input Bias Current I

B

VIN = 0V 4 10 µA

Input Resistance R

IN

VIN = 0 to 1.4V

kΩ

Output Offset Voltage V

OS

VIN = 0V

0

V

Power-Supply Rejection Ratio PSRR

V

CC

= 4.5V to 5.5V, VIN = 1.4V,

V

EE

= -4.5V to -5.5V

40 60 dB

SYMBOL

∆GD

CH-CH

PSRR

AC

MIN TYP MAX

< 10

-5.5 -5.0 -4.5

RL = 150Ω to GND +5.5

RL = 75Ω to GND +5.5

-0.5

250 800

-0.2

+6.4

+6.4

+0.5

+0.2