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参数资料
| 型号： | LM1246AAA/NA |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| 封装： | PLASTIC, DIP-24 |
| 文件页数： | 34/51页 |
| 文件大小： | 2794K |
| 代理商： | LM1246AAA/NA |
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Video Signal Electrical Characteristics (Continued)
Unless otherwise noted: T
A = 25C, VCC = +5.0V, VIN = 0.70 VP-P,VABL =VCC,CL = 8 pF, Video Outputs = 2.0 VP-P. Setting
numbers refer to the definitions in Table 1. Test Settings. See (Note 7) for Min and Max parameters and (Note 6) for Typicals.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Vid
Threshold
Video Threshold
Normal Operation
80
mV
V
ABL TH
ABL Control Range Upper Limit
(Note 12), Test Setting 4, AC input
signal.
4.8
V
ABL Range
ABL Gain Reduction Range
(Note 12), Test Setting 4, AC input
signal.
2.8
V
A
V 3.5/AV Max
ABL Gain Reduction at 3.5V
(Note 12), Test Setting 4, AC input
signal. V
ABL = 3.5V
2
dB
A
V 2.0/AV Max
ABL Gain Reduction at 2.0V
(Note 12), Test Setting 4, AC input
signal. V
ABL = 2.0V
12
dB
I
ABL Active
ABL Input Bias Current during
ABL
(Note 12), Test Setting 4, AC input
signal. V
ABL =VABL MIN GAIN
10
A
I
ABL Max
ABL Input Current Sink Capability (Note 12), Test Setting 4, AC input
signal.
1.0
mA
V
ABL Max
Maximum ABL Input Voltage
during Clamping
(Note 12), Test Setting 4, AC input
signal. I
ABL =IABL MAX
V
CC +
0.1
V
A
V ABL Track
ABL Gain Tracking Error
mode), Test Setting 4, 0.7 V
P-P input
signal, ABL voltage set to 4.5V and
2.5V.
4.5
%
R
IP
Minimum Input Resistance (pins
5, 6, 7)
Test Setting 4.
20
M
OSD Electrical Characteristics
Unless otherwise noted: T
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
OSDHIGH max
Maximum OSD Level with OSD
Contrast 11
Palette Set at 111, OSD Contrast =
11, RGB Gain = 96, DC Offset = 4
3.85
V
OSDHIGH 10
Maximum OSD Level with OSD
Contrast 10
Palette Set at 111, OSD Contrast =
10, RGB Gain = 96, DC Offset = 4
3.27
V
OSDHIGH 01
Maximum OSD Level with OSD
Contrast 01
Palette Set at 111, OSD Contrast =
01, RGB Gain = 96, DC Offset = 4
2.70
V
OSDHIGH 00
Maximum OSD Level with OSD
Contrast 00
Palette Set at 111, OSD Contrast =
00, RGB Gain = 96, DC Offset = 4
1.97
V
OSD (Black)
Difference between OSD Black
Level and Video Black Level (same
channel)
Register 08=0x18, Input Video =
Black, Same Channel, Test Setting
8
20
mV
V
BL,OSD-Video
(Ch to Ch)
Difference between OSD Black
Level and Video Black Level
between Channels
Register 08=0x18, Input Video =
Black, Same Channel, Test Setting
8
20
mV
V
OSD (White)
Output Match between Channels
Palette Set at 111, OSD Contrast =
11, Maximum difference between R,
G and B
3%
V
OSD/VVideo
(White)
Matching of OSD to Video peak to
peak amplitude ratios between
channels, normalized to the
smallest ratio.
Palette Set at 111, OSD Contrast =
10, Test Setting 4
3%
V
OSD-out (Track)
Output Variation between Channels OSD contrast varied from max to
min
3%
LM1246
www.national.com
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM1246AAC/NA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:IC 150MHZ RGB PREAMP 1246 DIP24 |
| LM1246AAC/NA/NOPB | 功能描述:IC PREAMP RGB 150MHZ 24-DIP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| LM1246NA | 制造商:NSC 制造商全称:National Semiconductor 功能描述:150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs |
| LM1247 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs |
| LM1247AAG/NA | 功能描述:IC PREAMP CMOS 150MHZ 24DIP RoHS:否 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
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