IP4011 Interpion Semiconductor, IP4011 Datasheet - Page 7
![no-image](/images/no-image-200.jpg)
IP4011
Manufacturer Part Number
IP4011
Description
5-Ch Motor Drive IC
Manufacturer
Interpion Semiconductor
Datasheet
1.IP4011.pdf
(23 pages)
- Current page: 7 of 23
- Download datasheet (730Kb)
August. 2002
If you want to reduce the total gain of the BTL drive part, use additional series resistor into the
input pin(pin#3, 10,19,25)
You can also increase or decrease the voltage gain of the CH1, CH4 using adjustable pin
(pin#4, pin24) by inserting an external series resistor.
The level shifter changes the direction of the current(Iconv) as the same amount,
The resistor Ra(10.6K) converts current into voltage with the DC offset of Pref.
The power amp has unity gain.
So the total differential voltage gain of the IP4002 is as follows,
and then supply it to the power AMP.
Gain
-
Va
Va
=
=
=
20log
-20K x
=
20K x
(Rev.5)
12dB
{[20k
Vin
Vin
10k
10k
-
-
x
Vref
Vref
Vin
+
+
10k
Pr
-
Pr
Vref
ef
ef
+
Pr
WWW.INTERPIONSEMI.COM
ef
Vin
- ]
-
[(-)20k
Vref
when
5-CH MOTOR DRIVE IC
x
Vin
Pref
10k
IP4011
-
Vref
=
+
Pr
VCC1
ef
]}
2
-
Vbe
- 7 -
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