ISL59885 Intersil Corporation, ISL59885 Datasheet

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ISL59885

Manufacturer Part Number
ISL59885
Description
Auto-Adjusting Sync Separator
Manufacturer
Intersil Corporation
Datasheet

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ISL59885ISZ
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Auto-Adjusting Sync Separator for HD
and SD Video
The ISL59885 video sync separator is manufactured using
high performance analog CMOS process. This device
extracts ISL59885 sync timing information from both
standard and non-standard video input in the presence of
Macrovision pulses. It provides composite sync, vertical
sync, SD and HDTV detection, and horizontal sync outputs.
Fixed 70mV sync tip slicing provides sync edge detection
when the video input level is between 0.5V
Timing is adjusted automatically for various video standards.
The composite sync output follows sync pulses and a
vertical sync pulse is output on the rising edge of the first
vertical serration following the vertical pre-equalizing string.
For non-standard vertical inputs, a default vertical pulse is
output when the vertical signal stays low for longer than the
vertical sync default delay time. The horizontal output gives
horizontal timing with pre/post equalizing pulses. ISL59885
has an auto input frequency detect feature that sets the right
timing for any input format.
The ISL59885 is available in an 8 Ld SO package and is
specified for operation over the full -40°C to +85°C
temperature range.
Ordering Information
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100% matte
tin plate termination finish, which are RoHS compliant and compatible with
both SnPb and Pb-free soldering operations. Intersil Pb-free products are
MSL classified at Pb-free peak reflow temperatures that meet or exceed
the Pb-free requirements of IPC/JEDEC J STD-020.
ISL59885IS
ISL59885IS-T7
ISL59885IS-T13
ISL59885ISZ
(See Note)
ISL59885ISZ-T7
(See Note)
ISL59885ISZ-T13
(See Note)
ISL59885ISR5218
ISL59885ISZR5218
ISL59885IS-T7R5218
ISL59885ISZ-T7R5218
ISL59885IS-T13R5218
ISL59885ISZ-T13R5218
NUMBER
PART
PACKAGE
(Pb-Free)
(Pb-Free)
(Pb-Free)
(Pb-Free)
(Pb-Free)
(Pb-Free)
8 Ld SO
8 Ld SO
8 Ld SO
8 Ld SO
8 Ld SO
8 Ld SO
8 Ld SO
8 Ld SO
8 Ld SO
8 Ld SO
8 Ld SO
8 Ld SO
®
1
Data Sheet
TAPE &
REEL
13”
13”
13”
13”
7”
7”
7”
7”
P-P
-
-
-
-
and 2V
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
MDP0027
DWG. #
PKG.
P-P
1-888-INTERSIL or 1-888-468-3774
.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• NTSC, PAL, SECAM, HDTV, non-standard video sync
• Fixed 70mV slicing of video input levels from 0.5V
• Single 3V to 5V supply
• Composite sync output
• Vertical output
• Horizontal output
• HDTV detection
• 81% to 90% Hsync blanking window (R5218)
• Macrovision compatible
• Available in 8 Ld SO package
• Pb-Free plus anneal available (RoHS compliant)
Applications
• High definition video equipment
Demo Board
• A dedicated demo board is available
Pinout
COMPOSITE SYNC OUT
COMPOSITE VIDEO IN
VERTICAL SYNC OUT
separation
2V
September 8, 2005
P-P
All other trademarks mentioned are the property of their respective owners.
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
GND
Copyright © Intersil Americas Inc. 2005. All Rights Reserved.
1
2
3
4
TOP VIEW
(8 LD SO)
ISL59885
8
7
6
5
VDD
HORIZONTAL OUTPUT
CSET
HD
ISL59885
FN7442.3
P-P
to

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ISL59885 Summary of contents

Page 1

... ISL59885 has an auto input frequency detect feature that sets the right timing for any input format. The ISL59885 is available package and is specified for operation over the full -40°C to +85°C temperature range. Ordering Information ...

Page 2

... Pin 1.6mA -40µ -1.6mA OH DESCRIPTION See Figure 9 See Figure 9 See Figure 9 Normal or default trigger, 50% - 50%, see Figure 7 See Figure 10 ISL59885IS-R5218 only Video input amplitude to maintain slice level spec 3. above V SLICE CLAMP 720p, 1080i, 1080p MIN TYP MAX 1.5 2.2 4 1.35 1 ...

Page 3

... JEDEC JESD51-7 HIGH EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD 1.8 1.6 1.4 1.136W 1.2 1 0.8 0.6 0.4 0 TEMPERATURE (°C) FIGURE 5. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE 3 ISL59885 = OPEN) FIGURE 2. H SET V =3.3V & 5.0V S 0.5V/DIV 5V/DIV 5V/DIV 5V/DIV FIGURE 4. MACROVISION COMPATIBILITY (NTSC) = OPEN) SET 100 125 150 FIGURE 6. PACKAGE POWER DISSIPATION vs AMBIENT V =3.3V & 5. ...

Page 4

... Vertical sync leading edge is coincident with the first vertical serration pulse leading edge, with a propagation delay. d. Horizontal sync output produces the true “H” pulses of nominal width of 5µs. It has the same delay as the composite sync. 4 ISL59885 +H VERTICAL BLANKING INTERVAL = 20H ...

Page 5

... PARAMETER DESCRIPTION td SYNCOUT Timing Relative to Input SYNCOUT td HOUT Timing Relative to Input HOUT T Horizontal Output Width HOUT NOTE: 1. Delay variation is less than 2.5ns over temperature range. 5 ISL59885 = V = +5V 25°C, NO FILTER (REGISTER 2 BIT 4=0) CCD A COLOR BURST V SLICE 50% V SYNC (SYNC TIP SYNC ...

Page 6

... ISL59885 SIGNAL 2a. COMPOSITE VIDEO INPUT SLICE LEVEL 70mV COMP SYNC t CS PROP DELAY SIGNAL 2b. COMPOSITE SYNC OUTPUT SIGNAL 2c. SIGNAL 2c. VERTICAL VERTICAL SYNC OUTPUT SYNC OUTPUT t HS SIGNAL 2d. HORIZONTAL SYNC OUTPUT t HS-PW FIGURE 9. STANDARD VERTICAL TIMING LINES 2 3 SIGNAL 3a. COMPOSITE VIDEO INPUT SIGNAL 3b. ...

Page 7

... FIGURE 11. EXAMPLE OF VERTICAL INTERVAL (625) SYNCIN 1123 1124 SYNCOUT H OUT V OUT SYNCIN 560 561 SYNCOUT H OUT V OUT FIGURE 12. EXAMPLE OF HDTV 1080I/30 LINE COMPOSITE VIDEO: INTERLACED 7 ISL59885 START OF FIELD ONE 625 1125 562 563 564 565 566 ...

Page 8

... SYNCOUT H OUT V OUT SYNCIN 620 621 622 SYNCOUT H OUT V OUT FIGURE 13. HDTV 1080I/25 LINE COMPOSITE VIDEO: INTERLACED (1250 LINES) 8 ISL59885 1248 1249 1250 1 2 623 624 625 626 627 ... 48 628 629 630 ... 673 FN7442.3 September 8, 2005 ...

Page 9

... SYNCOUT Timing Relative to Input SYNCOUT td HOUT Timing Relative to Input HOUT T Horizontal Output Width HOUT NOTE: 1. Delay variation is less than 2.5ns over temperature range. 9 ISL59885 = V = +3.3V/+5V 25°C, NO FILTER (REGISTER 2 BIT 4=0) CCD A td HOUT T HOUT FIGURE 14. HORIZONTAL INTERVAL (HDTV) (720p) CONDITIONS See Figure 14 ...

Page 10

... SYNCOUT Timing Relative to Input SYNCOUT td HOUT Timing Relative to Input HOUT T Horizontal Output Width HOUT NOTE: 1. Delay variation is less than 2.5ns over temperature range. 10 ISL59885 = V = +3.3V/+5V 25°C, FILTER (REGISTER 2 BIT 4=1) CCD A HOUT T HOUT FIGURE 15. HORIZONTAL INTERVAL (HDTV) (720p) CONDITIONS See Figure 15 See Figure 15 ...

Page 11

... Vertical Sync is clocked out of the ISL59885 on the first rising edge during the vertical serration phase. In the absence of vertical serration pulses, a vertical sync pulse will be forced out after the vertical sync default delay time, approximately 60µ ...

Page 12

... Simplified Block Diagram 620Ω 510pF C 3 56nF C Bias Circuit SET C SYNC PULSE 5µs 12 ISL59885 CLAMP SYNC TIP REF 1.5V COMPOSITE C VIDEO SLICE 0.1µF 1.57V GND 4 C SET SYNC 6 REF TIP GEN 70mV SLICE SET 56nF ...

Page 13

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 13 ISL59885 FN7442.3 September 8, 2005 ...

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