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LM1229 データシート(PDF) 5 Page - Texas Instruments |
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LM1229 データシート(HTML) 5 Page - Texas Instruments |
5 / 28 page OBSOLETE LM1229 www.ti.com SNOSAH0D – MARCH 2005 – REVISED APRIL 2013 Video Signal Electrical Characteristics (continued) Unless otherwise noted: TA = 25°C, VCC = +5.0V, VIN = 0.70 VP-P, VABL = VCC, CL = 10 pF, Video Outputs = 2.4 VP-P (1)(2) Symbol Parameter Conditions Min Typ Max Units AV 2.5/AV MAX ABL Gain Reduction at VABL = 2.5V AC input signal(9) −5.8 dB IABL ACTIVE ABL input bias current during ABL. AC input signal. VABL = 2.5V (9) 10 µA IABL MAX ABL input current sink capability AC input signal(9) 1.0 mA AV ABL TRACK ABL channel to channel gain Input signal = 0.7 VP-P, ABL voltage set 0 7.5 % tracking error. to 4.5V and 3.0V RIP Minimum input resistance 20 M Ω (pins 45, 46, 47) OSD Electrical Characteristics Unless otherwise noted: TA = 25°C, VCC = +5.0V (1) (2) Symbol Parameter Conditions Min Typ Max Units DIGITAL MODE VLOW Maximum low input voltage, Enable: video inputs selected 1.0 V (OSD and Enable) OSD: OSD black displayed VHIGH Minimum high input voltage, Enable: OSD inputs selected 3.0 V (OSD and Enable) OSD: OSD colors displayed VOSD-11 OSD output amplitude OSD Enable = 1, OSD Contrast = 11 2.65 V VOSD-10 OSD output amplitude OSD Enable = 1, OSD Contrast = 10 2.35 V VOSD-01 OSD output amplitude OSD Enable = 1, OSD Contrast = 01 2.15 V VOSD-00 OSD output amplitude OSD Enable = 1, OSD Contrast = 00 1.75 V VOSD-AUX OSD output amplitude (AUX) OSD Enable = 1, OSD[5] = 1 3.0 V ΔVOSD BLACK Difference between OSD and video Same channel, contrast and gain = −85 100 mV black levels 0x60 ΔVOSD WHITE OSD Contrast = 11, maximum Output Match between channels 3 % difference between R, G and B VOSD TRACK Output Variation between channels OSD contrast varied from max to min 3 % HTMAX OSD background video maximum OSD[3] = 1, OSD TRANS = 0x7F(3) 100 % level HTMIN OSD background video minimum level OSD[3] = 1, OSD TRANS = 0x00(3) 10 % ANALOG MODE AV ANALOG OSD Analog gain from pins 41, 42, 43 to the video outputs, with input level 0.7 OSD Enable = 1, Gains at maximum 3.75 V/V VPP BOTH MODES ILOW Low input current (OSD and Enable) VIN = 0V −3.0 µA IHIGH High input current (OSD and Enable) VIN = 5V .001 µA SEP10 kHz Crosstalk from video @ 10 kHz See(4) −70 dB SEP10 MHz Crosstalk from video @ 10 MHz See(4) −50 dB (1) Datasheet min/max specification limits are specified by design, test, or statistical analysis. The ensured specifications apply only for the test conditions listed. Some performance characteristics may change when the device is not operated under the listed test conditions. (2) Typical specifications are specified at +25°C and represent the most likely parametric norm. (3) In the transparency mode, the OSD background consists of video with contrast level determined by the Transparency Register. The OSD foreground is unaffected. (4) Video input = 0.7 VP-P and the OSD Enable is active with the OSD inputs at black. For each video input, in turn, set the specified video input at the designated frequency and measure the video feedthrough at the video outputs. Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM1229 |
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同様の説明 - LM1229 |
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