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Part: TL1051FR-X
Category:
Sensors
-> Image Sensors
-> CCD
Description: ti TL1051, Video Preprocessor Circuit
Company: Texas Instruments, Inc.
Datasheet: Download TL1051FR-X datasheet File size : 648 kB
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Datasheet text preview:
TL1051 VIDEO PREPROCESSOR CIRCUIT
SOCS032B NOVEMBER 1991
· · · ·
Solid-State Reliability Supports Both Color and Monochrome Applications Three Independent Channels Available for Use With RGB Monitors Y Signal Generated From Three Independent Channels
· · · ·
Clamp Pulse-Select Option White-Clip Function for Y Signal Gain Control for R, G, B, and Y Noise Suppression During Video-Blanking Periods
description
The TL1051 is a bipolar monolithic integrated circuit designed for use in preprocessing three channels of TI CCD image sensors. It receives video inputs from the TI TL1593 three-channel sample-and-hold circuit and outputs three processed channel signals and a single multiplexed Y (luminance) signal. Processing functions of the TL1051 include gain, automatic gain control, clamp, white balance, and white clip. The TL1051 is supplied in a 44-pin surface-mount plastic package and is characterized for operation from 20°C to 45°C.
FR PACKAGE (TOP VIEW)
RESET ALCDRV ALC ALC+ GATE GATEOUT GATEIN GND ALCREF AGCSET AGCDET
44 43 42 41 40 39 38 37 36 35 34
NC WB CONTB CONTA VCC BIN GIN RIN CLPLVLB CLPLVLG CLPLVLR
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
33 32 31 30 29 28 27 26 25 24 23
AGCOUT REF2V AGCCONT AGCLMT BOUT GOUT ROUT YOUT YALC WCPCONT YCLAMP
NC No internal connection
This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields. These circuits have been qualified to protect this device against electrostatic discharges (ESD) of up to 2 kV according to MIL-STD-883C, Method 3015; however, precautions should be taken to avoid application of any voltage higher than maximum-rated voltages to these high-impedance circuits. During storage or handling, the device leads should be shorted together or the device should be placed in conductive foam. In a circuit, unused inputs should always be connected to an appropriate logic voltage level, preferably either VCC or ground. Specific guidelines for handling devices of this type are contained in the publication Guidelines for Handling Electrostatic-Discharge-Sensitive (ESDS) Devices and Assemblies available from Texas Instruments.
GND SWR SWG SWB PCL1 PBL PCL2 HL YSW YAGCIN YAGC
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright © 1991, Texas Instruments Incorporated
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
4-1
TL1051 VIDEO PREPROCESSOR CIRCUIT
SOCS032B NOVEMBER 1991
functional block diagram
ALC + ALC 41 42 ALC AMP Reset 39 GATEOUT 43 ALCDRV
RESET
44
GATE 40 GATE IN 38 AGCDET AGCSET CONTA CONTB AGCLMT AGCCONT WB 34 35 4 3 30 31 2 18
Gate AGC AMP 3 AGC CONT A/D Y Clamp WCPCONT YAGC 3 Blue Clamp Blue Blank 2 Green Clamp Green Blank 1 Red Clamp 3 Clamp Buffer Red Blank 3 White Level Red AGC ALC REF Green AGC White Level Blue AGC HLMIX
33 AGCOUT 19 HL
PCL2 YCLAMP 23 WCPCONT 24 YAGCIN BIN CLPLVLB 21 6 9
26
YOUT
22 YAGC
29
BOUT
GIN 10 CLPLVLG 8 11
7
28
GOUT
RIN CLPLVLR
27 ROUT 25 YALC 36 ALCREF
PCL1 PBL SWR SWG SWB
16 17 13 14 15
Blank Buffer 20 YSW
YSW
4-2
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
TL1051 VIDEO PREPROCESSOR CIRCUIT
SOCS032B NOVEMBER 1991
Terminal Functions
TERMINAL NAME AGCCONT AGCDET AGCLMT AGCOUT AGCSET ALCDRV ALCREF ALC+ ALC BIN BOUT CLPLVLB CLPLVLG CLPLVLR CONTA CONTB GATE GATEIN GATEOUT GIN GND GOUT HL NC PBL PCL1 PCL2 REF2V RESET RIN ROUT SWB SWG SWR VCC WB WCPCONT YAGC YAGCIN YALC YCLAMP YOUT YSW NO. 31 34 30 33 35 43 36 41 42 6 29 9 10 11 4 3 40 38 39 7 12, 37 28 19 1 17 16 18 32 44 8 27 15 14 13 5 2 24 22 21 25 23 26 20 I I O I O I O O I I I O I I O I I I O O I/O I I I O I O O I I I O I I I I I I I O I AGC control AGC detect AGC limit AGC out AGC set ALC drive ALC reference ALC noninverting input ALC inverting input Blue channel in Blue channel out DC clamp level blue DC clamp level green DC clamp level red White balance digital control A White balance digital control B Video gate control switch Video gate in Video gate out Green channel in Ground Green channel out Highlight suppression (not used) No internal connection Process blanking Clamp signal 1 Clamp signal 2 2-V reference Reset Red channel in Red channel out Multiplex switch blue Multiplex switch green Multiplex switch red Power supply voltage White balance analog control White clip control YAGC out Y AGC in Y automatic level control Y clamp Y signal out Multiplexed Y out DESCRIPTION
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
4-3
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