BA7657F ROHM Electronics, BA7657F Datasheet
![no-image](/images/no-image-200.jpg)
BA7657F
Available stocks
Related parts for BA7657F
BA7657F Summary of contents
Page 1
... V BA7657F Power dissipation BA7657S Operating temperature Topr Storage temperature Tstg Reduced by 5.5mW (BA7657F) or 12mW (BA7657S) for each increase over 25 C. • Recommended operating conditions (Ta = 25°C) Parameter Symbol Power supply voltage Internal switch. 4) Internal synchronization separator for synchronizing signals superimposed onto G signals ...
Page 2
... HD 1 input input 22 HD output 1 21 Red output DET 1 19 Green output 2 18 Composite video input (Sync on Green) Syncsepa 17 Composite sync output Logic 16 CTL (H: IN1, L: IN2 Blue output output input BA7657F / BA7657S CC ...
Page 3
... VD IN1 IN1 IN2 IN2 output 15, 19, 21pin 5mA 400 BA7657F / BA7657S Pin name Function VD output Vertical synchronization signal VD output Blue output Color signal B output Control Control (high = IN1, low = IN2) Composite sync Synchronization signal output output Composite video Composite signal input ...
Page 4
... V CC 2.0k 100 15k 14, 22pin 1.2k 660 HD sync signal detector from HD out to sync sepa 2pin 4 Control 1k 16pin 50k Composite Video input V CC 25k 25k 100 18pin 25k 25k BA7657F / BA7657S Composite Sync output V CC from DET out 17pin 35k 15k V CC ...
Page 5
... V — — 1 100 130 A – 3 – 1 — A BA7657F / BA7657S = 5.0V) Conditions Measurement circuit f = 1kHz f = 1MHz P 1MHz P 1MHz P 10MHz P 10MHz P 5. ...
Page 6
... BA7657F / BA7657S = 5.0V) CC Conditions Measurement circuit = 1V Fig Fig Fig Fig Fig.2 IN P-P 1 Fig 20kHz Fig ...
Page 7
... SW3 SW4 SW5 SW6 Fig. 1 BA7657F / BA7657S 1.2V 5 1.8V 4 OSC5 SW17 SW16 Oscilloscope 2 3 SW15 OSC3 2 0. ...
Page 8
... BA7657F / BA7657S 14 Other Other ...
Page 9
... Output voltage, "H" level 2 Output voltage, "L" level 2 Output current, "L" level 3 Rise time 4 Fall time 4 Rise delay time 4 Fall delay time 4 Switch condition 13 Other BA7657F / BA7657S 9 ...
Page 10
... Measurement circuit for frequency characteristics and crosstalk characteristics 50 50 C1: 0. Fig. 2 BA7657F / BA7657S Network Analyzer 240 0. 240 19 Network Analyzer 1. 1.2V 2 240 15 Network Analyzer ...
Page 11
... Set the switch to 1 and measure the R output. CTB2R = 20log (V Similarly, CTB2G = 20log (V CTB2B = 20log ( P-P Relationship between inputs and outputs Input HD VD Sync on Green — — — — — — BA7657F / BA7657S / V ) [dB] OUT IN = 1. G1) [dB] OUT B1) [dB] OUT R1) [dB] OUT ...
Page 12
... IN2 Fig. 3 BA7657F / BA7657S DET + 0. 6. 68k Syncsepa 2k 17 Composite Sync OUT Logic OUT Red OUT ...
Page 13
... FREQUENCY: f (Hz) Fig. 5 Interchannel crosstalk characteristics (Ro) so that the frequency characteristics remain flat. A too-large resistance will suppress the characteristic peak. BA7657S 0.3Min. 0.15 BA7657F / BA7657S 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 100M 300M 100 120 140 160 180 200 FREQUENCY: fH (kHz) Fig ...