BD7904FS ROHM Co. Ltd., BD7904FS Datasheet - Page 16

• Manufacturer Part Number: BD7904FS
• Description: 5ch Power Driver For Cd-rom, Dvd-rom
• Manufacturer: ROHM Co. Ltd.

OUT1=BG{R1 (R2+R3+R4) +R2 (R3+R4)}/R2R4
SPRNF
SLRNF
Gain expression
Gain with the added resistor gm (A/V)
Output-limit current Ilim (A)
Input-output gain gm (A/V)
VC
FWD rotation
15k/{SPRNF×(Rin+15k)}
Dead zone +
Dead zone −
1.0/RNF
0.3/RNF
Spindle
OUT1
R1
R2
SLIN1, 2
SPIN
0.5×47k/{SLRNF×(Rin+47k)}
Rin : added series resistor
R3
0.5/RNF
0.3/RNF
R4
−
+
Sled
(1.3V)
BG
R3=51.5kΩ
R4=32.76kΩ