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Datasheet> All Categories > Analog mixed-signal IC> filter> ML6421CS-4
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ML6421CS-4

Description
Continuous Time Filter, 3 Func, Lowpass, BICMOS, PDSO16, SOIC-16
CategoryAnalog mixed-signal IC    filter   
File Size109KB，12 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Download Datasheet Parametric Compare View All

ML6421CS-4 Overview

Continuous Time Filter, 3 Func, Lowpass, BICMOS, PDSO16, SOIC-16

ML6421CS-4 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerFairchild
Parts packaging codeSOIC
package instructionSOIC-16
Contacts16
Reach Compliance Codecompliant
ECCN codeEAR99
Active filter typeCONTINUOUS TIME FILTER
Center frequency or cutoff frequency maximum range8000 kHz
JESD-30 codeR-PDSO-G16
JESD-609 codee0
length10.34 mm
Number of functions3
Number of terminals16
Maximum operating temperature70 °C
Minimum operating temperature
Order1ST,6TH
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP16,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
poles and zeros6 AND 0
power supply5 V
Certification statusNot Qualified
responseLOWPASS
Maximum seat height2.72 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyBICMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.52 mm

ML6421CS-4 Preview

April 1997
PRELIMINARY
ML6421
Triple Phase and Sinx/x Equalized,
Low-Pass Video Filter
GENERAL DESCRIPTION
The ML6421 monolithic BiCMOS 6th-order filter provides
fixed frequency low pass filtering for video applications.
This triple phase-equalized filter with Sinx/x correction is
designed for reconstruction filtering at the output of a
Video DAC.
Cut-off frequencies are either 5.5, 8.0, 3.0 or 1.8MHz.
Each channel incorporates a 6th-order lowpass filter, a first
order all-pass filter, a gain boost circuit, and a 75½ coax
cable driver. A control pin (RANGE) is provided to allow
the inputs to swing from 0 to 1V, or 0.5 to 1.5V, by
providing a 0.5V offset to the input.
The unity gain filters are powered from a single 5V supply,
and can drive 1V
P-P
over 75½ (0.5V to 1.5V), or 2V
P-P
over 150½ (0.5V to 2.5V) with the internal coax drivers.
FEATURES
s
s
s
s
s
s
s
s
s
s
5.5, 8.0, 9.3, 3.0, 1.8 or 2.5MHz bandwidth
1x or 2x gain
6th-order filter with phase and amplitude equalizer
>40dB stopband rejection
No external components or clocks
±10% frequency accuracy over maximum supply
and temperature variation
<2% differential gain <2° differential phase
<25ns group delay variation
Drives 1V
P-P
into 75Ω, or 2V
P-P
into 150Ω
5V ±10% operation
BLOCK DIAGRAM
V
CC
B
8
V
CC
C
6
V
CC
5
V
CC
A
11
V
IN
A 15
3kΩ
BUF
LOW PASS
FILTER A
ALL
PASS
FILTER
SINX/X
EQUALIZER
1X/2X
BUF
10 V
OUT
A
3.33kΩ
I
BIAS
1kΩ
V
IN
B 16
3kΩ
BUF
LOW PASS
FILTER B
ALL
PASS
FILTER
SINX/X
EQUALIZER
1X/2X
BUF
3.33kΩ
9
V
OUT
B
I
BIAS
1kΩ
V
IN
C 2
3kΩ
RANGE 14
1kΩ
BUF
LOW PASS
FILTER C
ALL
PASS
FILTER
SINX/X
EQUALIZER
1X/2X
BUF
7
3.33kΩ
V
OUT
C
I
BIAS
12
GND
13
GNDA
4
GNDC
1
GNDB
3
GND
Filter A
Filter B
Filter C
ML6201-1
5.5MHz
5.5MHz
5.5MHz
1x GAIN
ML6421-2
ML6421-3
5.5MH
8.0MHz
1.8MH
8.0MHz
1.8MH
8.0MHz
ML6421-4
8.0MHz
3.0MHz
3.0MHz
ML6421-5
5.5MHz
5.5MHz
5.5MHz
2x GAIN
ML6421-6
ML6421-7
5.5MH
9.3MHz
2.5MH
9.3MHz
2.5MH
9.3MHz
ML6421-8
9.3MHz
3.3MHz
3.3MHz
Triple Input/Anti-aliasing Video Filter
REV. 1.0 10/12/2000
ML6421
PIN CONFIGURATION
ML6421
16-Pin Wide SOIC (S16W)
GNDB
VINC
GND
GNDC
VCC
VCCC
VOUTC
VCCB
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
VINB
VINA
RANGE
GNDA
GND
VCCA
VOUTA
VOUTB
PIN DESCRIPTION
PIN
NAME
FUNCTION
PIN
NAME
FUNCTION
1
2
3
4
5
6
7
GNDB
V
IN
C
GND
GNDC
V
CC
V
CC
C
V
OUT
C
Ground pin for filter B.
Signal input to filter C. Input
impedance is 4kΩ.
Power and logic ground.
11
12
13
14
V
CC
A
GND
GNDA
RANGE
Power supply for filter A.
Power and logic ground.
Ground pin for filter A.
Input signal range select.
For -1 to -4; when RANGE is low (0),
the input signal range is 0.5V to 2.5V,
with an output range of 0.5V to 2.5V.
When RANGE is high (1), the input
signal range is 0V to 2V, with an
output range of 0.5V to 2.5V.
For -5 to -8; when RANGE is low (0),
the input signal range is 0.5V to 1.5V,
with an output range of 0.5V to 2.5V.
When RANGE is high (1), the input
signal range is 0V to 1V, with an
output range of 0.5V to 2.5V.
Signal input to filter A. Input
impedance is 4kΩ.
Signal input to filter B. Input
impedance is 4kΩ.
Ground pin for filter C.
Positive supply.
Power supply for filter C.
Output of filter C. Drive is 1V
P-P
into
75Ω (0.5V to 1.5V), or 2V
P-P
into
150Ω (0.5V to 2.5V).
Power supply for filter B: 4.5V to 5.5V.
Output of filter B. Drive is 1V
P-P
into
75Ω (0.5V to 1.5V), or 2V
P-P
into
150Ω (0.5V to 2.5V).
Output of filter A. Drive is 1V
P-P
into
75Ω (0.5V to 1.5V), or 2V
P-P
into
150Ω (0.5V to 2.5V).
15
16
V
IN
A
V
IN
B
8
9
V
CC
B
V
OUT
B
10
V
OUT
A
2
REV. 1.0 10/12/2000
ML6421
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which
the device could be permanently damaged. Absolute
maximum ratings are stress ratings only and functional
device operation is not implied.
Supply Voltage (V
CC
) ..................................... –0.3 to +7V
GND .................................................. –0.3 to V
CC
+0.3V
Logic Inputs ........................................ –0.3 to V
CC
+0.3V
Input Current per Pin ............................................ ±25mA
Storage Temperature ................................... –65° to 150°C
Package Dissipation at T
A
= 25°C .............................. 1W
Lead Temperature (Soldering 10 sec) ...................... 150°C
Thermal Resistance (θ
JA
) ..................................... 65°C/W
OPERATING CONDITIONS
Supply Voltage ................................................. 5V ± 10%
Temperature Range .................................. 0°C < to < 70°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified V
CC
= 5V ± 10% and T
A
= T
MIN
to T
MAX
, R
L
=75Ω or 150Ω, V
OUT
= 2V
P-P
for 150Ω Load and
V
OUT
= 1V
P-P
for 75Ω Load (Note 1)
SYMBOL
GENERAL
R
IN
∆R/R
IN
I
BIAS
Input Impedance
Input R Matching
Input Current
V
IN
= 0.5V,
range = low
V
IN
= 0.0V,
range = high
Small Signal Gain
V
IN
= 100mV
P-P
at 100kHz
V
IN
= 1.1V to 2.5V
at 3.58 & 4.43 MHz
V
IN
= 0.8V to 1.5V
at 3.58 & 4.43 MHz
Differential Phase
V
IN
= 1.1V to 2.5V
at 3.58 & 4.43 MHz
V
IN
= 0.8V to 1.5V
at 3.58 & 4.43 MHz
V
IN
Input Range
Range = 0
ML6421(-1 to -4)
ML6421(-5 to -8)
ML6421(-1 to -4)
ML6421(-5 to -8)
ML6421(-1 to -4)
ML6421(-5 to -8)
ML6421(-1 to -4)
ML6421(-5 to -8)
ML6421(-1 to -4)
ML6421(-5 to -8)
ML6421(-1 to -4)
ML6421(-5 to -8)
Range = 1
ML6421(-1 to -4)
ML6421(-5 to -8)
Peak Overshoot
Crosstalk Rejection
2T, 0.7V
P-P
pulse
f
IN
= 3.58,
f
IN
= 4.43MHz
(Note 6)
f
IN
= 100kHz
ML6421(-1 to -4)
ML6421(-5 to -8)
0.5
0.5
0.0
0.0
2.0
50
45
±20
–0.5
5.5
–80
45
–125
–210
0
6
1
1
1
1
0.5
6.5
2
2
2
2
2.5
1.5
2.0
1
%
dB
dB
ns
3
4
5
±2
k½
%
µA
µA
µA
µA
dB
dB
%
%
deg
deg
V
V
V
V
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Differential Gain
Channel to Channel
Group Delay Matching
(f
C
= 5.5MHz)
Channel to Channel
Gain Matching
Output Current
REV. 1.0 10/12/2000
f
IN
= 100kHz
R
L
= 0 (short circuit)
175
±4
%
mA
3
ML6421
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
GENERAL (Continued)
C
L
Load Capacitance
Composite Chroma
/Luma delay
f
C
= 5.5MHz
ML6421(-1 to -4)
ML6421(-5 to -8)
f
C
= 8.0MHz/9.3MHz
5.50MHZ FILTER (ML6421-1, -5)
Bandwidth
(monotonic passband)
Subcarrier Frequency Gain
ML6421-1 or ML6421-2
–0.75dB (Note 5)
–0.55dB (Note 5)
f
IN
= 3.58MHz
ML6421(-1 to -4)
ML6421(-5 to -8)
ML6421(-1 to -4)
ML6421(-5 to -8)
f
IN
= 4.43MHz
ML6421(-1 to -4)
ML6421(-5 to -8)
Attenuation
f
IN
= 10MHz
ML6421(-1 to -4)
ML6421(-5 to -8)
f
IN
= 50MHz
Output Noise
Group Delay
8.0MHZ FILTER
Bandwidth
(monotonic passband)
Subcarrier Frequency Gain
ML6421-3 or ML6421
4/ML6421-7 or ML6421-8
Attenuation
–3dB (Note 5)
f
IN
= 3.58MHz
f
IN
= 4.43MHz
f
IN
= 17MHz
f
IN
= 85MHz
Output Noise
Group Delay
9.3MHZ FILTER
Bandwidth
(monotonic passband)
Subcarrier Frequency Gain
ML6421-3 or ML6421
4/ML6421-7 or ML6421-8
Attenuation
–2dB (Note 5)
f
IN
= 3.58MHz
f
IN
= 4.43MHz
f
IN
= 17MHz
f
IN
= 85MHz
Output Noise
Group Delay
BW = 30MHz (Note 6)
120
8.4
–0.01
–0.1
20
40
9.3
0.4
0.6
25
42
1000
10.2
0.9
1.1
MHz
dB
dB
dB
dB
µV
RMS
ns
BW = 30MHz (Note 6)
120
7.2
–0.25
–0.11
20
40
8
0.25
0.39
25
42
1000
8.8
0.75
0.89
MHz
dB
dB
dB
dB
µV
RMS
ns
BW = 30MHz (Note 6)
145
4.95
4.95
–0.3
–0.9
–0.35
1.1
16
20
40
5.50
5.50
0.2
1.4
0.1
1.6
18
25
45
1000
6.05
6.05
0.7
1.9
0.65
2.1
MHz
MHz
dB
dB
dB
dB
dB
dB
dB
µV
RMS
ns
±20
±25
5/±8
35
ns
ns
TBD
ns
pF
(Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
4
REV. 1.0 10/12/2000
ML6421
ELECTRICAL CHARACTERISTICS
SYMBOL
3.3MHZ FILTER
Bandwidth
(monotonic passband)
Attenuation
–2.5dB (Note 5)
f
IN
= 9.82MHz
f
IN
= 60MHz
Output Noise
Bandwidth
(monotonic passband)
Attenuation
BW = 30MHz (Note 6)
–2dB (Note 5)
f
IN
= 9.82MHz
f
IN
= 60MHz
Output Noise
1.8MHZ FILTER
Bandwidth
(monotonic passband)
Attenuation
–2dB (Note 5)
f
IN
= 4.91MHz
f
IN
= 30MHz
Output Noise
Group Delay
2.5MHZ FILTER
Bandwidth
(monotonic passband)
Attenuation
–2.15dB (Note 5)
f
IN
= 4.91MHz
f
IN
= 30MHz
Output Noise
Group Delay
DIGITAL AND DC
V
IL
V
IH
I
IL
I
IH
I
CC
Logic Input Low
Logic Input High
Logic Input Low
Logic Input High
Supply Current
R
L
= 75½
Range
Range
V
IN
= GND
V
IN
= V
CC
V
IN
= 0.5V (Note 4)
V
IN
= 1.5V
110
140
V
CC
– 0.8
–1
1
135
175
0.8
V
V
µA
µA
mA
mA
BW = 30MHz (Note 6)
300
2.25
18
40
2.5
23
45
700
2.75
MHz
dB
dB
µV
RMS
ns
BW = 30MHz (Note 6)
300
1.65
26
43
1.8
28
50
700
2.0
MHz
dB
dB
µV
RMS
ns
BW = 30MHz (Note 6)
3
30
43
3.3
33
50
700
2.7
30
43
3
33
50
700
3.6
3.3
MHz
dB
dB
µV
RMS
MHz
dB
dB
µV
RMS
PARAMETER
(Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
Note
Note
Note
Note
Note
Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
Maximum resistance on the outputs is 500½ in order to improve step response.
Connect all ground pins to the ground plane via the shortest path.
Power dissipation: P
D
= (I
CC
∞
V
CC
) – [3(V
OUT2
/RL)]
The bandwidth is the –3dB frequency of the unboosted filter. This represents the attenuation that results from
boosting the gain from the –3dB point at the specified frequency.
Note 6: These parameters are guaranteed by characterization only.
1:
2:
3:
4:
5:
REV. 1.0 10/12/2000
5
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ML6421CS-4 Related Products

ML6421CS-4 ML6421CS-3 ML6421CS-7
Description Continuous Time Filter, 3 Func, Lowpass, BICMOS, PDSO16, SOIC-16 Continuous Time Filter, 3 Func, Lowpass, BICMOS, PDSO16, SOIC-16 Continuous Time Filter, 3 Func, Lowpass, BICMOS, PDSO16, SOIC-16
Is it Rohs certified? incompatible incompatible incompatible
Maker Fairchild Fairchild Fairchild
Parts packaging code SOIC SOIC SOIC
package instruction SOIC-16 SOP, SOP16,.4 SOP, SOP16,.4
Contacts 16 16 16
Reach Compliance Code compliant unknown unknown
ECCN code EAR99 EAR99 EAR99
Active filter type CONTINUOUS TIME FILTER CONTINUOUS TIME FILTER CONTINUOUS TIME FILTER
Center frequency or cutoff frequency maximum range 8000 kHz 8000 kHz 9300 kHz
JESD-30 code R-PDSO-G16 R-PDSO-G16 R-PDSO-G16
JESD-609 code e0 e0 e0
length 10.34 mm 10.34 mm 10.34 mm
Number of functions 3 3 3
Number of terminals 16 16 16
Maximum operating temperature 70 °C 70 °C 70 °C
Order 1ST,6TH 1ST,6TH 1ST,6TH
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP SOP
Encapsulate equivalent code SOP16,.4 SOP16,.4 SOP16,.4
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
poles and zeros 6 AND 0 6 AND 0 6 AND 0
power supply 5 V 5 V 5 V
Certification status Not Qualified Not Qualified Not Qualified
response LOWPASS LOWPASS LOWPASS
Maximum seat height 2.72 mm 2.72 mm 2.72 mm
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 4.5 V 4.5 V 4.5 V
Nominal supply voltage (Vsup) 5 V 5 V 5 V
surface mount YES YES YES
technology BICMOS BICMOS BICMOS
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm 1.27 mm 1.27 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 7.52 mm 7.52 mm 7.52 mm

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