BD3893FV-E2 Rohm Semiconductor, BD3893FV-E2 Datasheet - Page 2

• Manufacturer Part Number: BD3893FV-E2
• Description: IC SIGNAL PROCESSOR 16SSOP
• Manufacturer: Rohm Semiconductor

Specifications of BD3893FV-E2

• Applications: HDD, CD, DVD drive
• Voltage - Supply: 3 V ~ 5.5 V
• Package / Case: 16-SSOP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -

Current consumption
<Reference voltage>
Reference voltage 1
Reference voltage 2
Reference voltage 3
<Pre-Op. Amp.>
Internal resistor
<2nd step Op. Amp.>
Gain
<Low pass filter>
Cut-off frequency 1
Cut-off frequency 2
Cut-off frequency 3
Cut-off frequency 4
<Window comparator>
Trip voltage 1
Trip voltage 2
Trip voltage 3
Electrical characteristics (
Block Diagram
Parameter
IN2
16
RSEL
/RSEL
2nd stage OpAmp
REFOUT
BIASR OUT1
/RSEL
1
amp2
1st stage OpAmp
Unless otherwise noted; Ta=25˚C, V
OUT2
2
15
Symbol
V
V
V
V
V
V
50MΩ
V
V
V
R
F
F
F
F
TRIP1H
TRIP1L
TRIP2H
TRIP2L
TRIP3H
TRIP3L
I
REF1
REF2
REF3
G
BIAS
CLP1
CLP2
CLP3
CLP4
DD
IN1M IN1P
RSEL
V
3
amp1
REFOUT
4
LPF
1.91
1.24
1.38
Min.
2.42
1.59
1.12
2.9
1.9
0.8
30
28
–
1
2
4
6
amp3
OUT3
14
1.65
Typ.
1.98
1.32
1.5
2.5
1.2
0.9
50
30
12
2
2
4
8
3
2
VSEL
VSEL
Max.
COMPIN
2.58
1.71
1.28
14.4
21.6
2.09
2.06
1.62
3.6
7.2
3.1
1.4
1.0
32
DD
4
–
13
=5V)
bandgap
ref
Unit
MΩ
kHz
kHz
kHz
kHz
mA
dB
V
V
V
V
V
V
V
V
V
Comparator
VSEL
DET
12
Reference
V
V
V
RSEL=Low
FC1=Low, FC2=Low, -3dB
FC1=Low, FC2=High, -3dB
FC1=High, FC2=Low, -3dB
FC1=High, FC2=High, -3dB
V
V
V
DD
DD
DD
DD
DD
DD
Block
=5V, VSEL=Low
=3.3V, VSEL=Low
=3.3V, VSEL=High
=5V, VSEL=Low
=3.3V, VSEL=Low
=3.3V, VSEL=High
REFOUT
5
Conditions
FC1
RSEL
11
6
VSEL V
FC2
10
7
BD3893FV
V
9
8
DD
SS