Harman Kardon HD750, Техническое руководство

Страница: 29 / 63

AN8814SB
■
Electrical Characteristics at T
a
=
25
°
C
Parameter Symbol Conditions Min Typ Max Unit
Current consumption with no load I
TOT
V
CC
=
5 V 5 10 15 mA
Motor driver 1 to motor driver 4
Input offset voltage V
IOF
V
CC
=
5 V, V
PC1
=
V
PC2
=
0 V,
−
10 0 10 mV
R
L1
to R
L4
= 8
k
Ω
, R
1
to R
4
= 10
k
Ω
Output offset voltage V
OOF
V
CC
=
5 V, V
PC1
=
V
PC2
=
0 V,
−
50 0 50 mV
R
L1
to R
L4
= 8
k
Ω
, R
1
to R
4
= 10
k
Ω
Gain G V
CC
=
5 V, V
PC1
=
V
PC2
=
0 V, 18.0 20.0 22.0 dB
R
L1
to R
L4
= 8
k
Ω
, R
1
to R
4
= 10
k
Ω
Maximum output amplitude (
+
) V
L
+
V
CC
=
5 V, V
PC1
=
V
PC2
=
0 V, 2.4 2.7

V
R
L1
to R
L4
= 8
k
Ω
, R
1
to R
4
= 10
k
Ω
Maximum output amplitude (
−
) V
L
−
V
CC
=
5 V, V
PC1
=
V
PC2
=
0 V,
 −
2.7
−
2.4 V
R
L1
to R
L4
= 8
k
Ω
, R
1
to R
4
= 10
k
Ω
Motor driver 1
High-level threshold voltage V
PCH1
V
CC
=
5 V, R
L1
=
8
Ω
, R
1
=
10 k
Ω
2.0
 
V
Low-level threshold voltage V
PCL1
V
CC
=
5 V, R
L1
=
8
Ω
, R
1
=
10 k
Ω  
0.5 V
Motor driver 2
High-level threshold voltage V
PCH2
V
CC
=
5 V, R
L2
=
8
Ω
, R
2
=
10 k
Ω
2.0
 
V
Low-level threshold voltage V
PCL2
V
CC
=
5 V, R
L2
=
8
Ω
, R
2
=
10 k
Ω  
0.5 V
Reset circuit
Reset operation release supply V
RST
I
IN
=
10
µ
A, R
1
to R
4
=
10 k
Ω
2.1 2.3 2.5 V
voltage
3.3 V regulator
Output voltage V
REG
V
CC
=
5 V 3.1 3.3 3.5 V
Output load fluctuation
∆
V
R
V
CC
=
5 V
−
50 0 50 mV
Supply voltage fluctuation
∆
V
V
V
CC
=
5 V/12 V
−
5 0 5 mV
Op-amp.
Input offset voltage V
OF
V
CC
=
5 V
−
10 0 10 mV
Input bias current I
BOP
V
CC
=
5 V

150 500 nA
High-level output voltage V
OH
V
CC
=
5 V 4.0
 
V
Low-level output voltage V
OL
V
CC
=
5 V
 
1.5 V
Output driving current sink I
SIN
V
CC
=
5 V 2.0
 
mA
Output driving current source I
SOU
V
CC
=
5 V 2.0
 
mA
HD750
29