BD5445EFV View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BD5445EFV Datasheet PDF : 32 Pages
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BD5445EFV
Technical Note
●Electrical characteristics （ Unless otherwise specified Ta=25℃, Vcc=24V, f=1kHz, RL=8Ω, Po=1W, Gain=20dB,
PDX=24V, MUTEX=24V, MS=0V, Single-ended outputs）
Limit
Item
Symbol
Unit
Conditions
Min Typ Max
Whole circuit
Circuit current 1
Pin 1, 15, 16, 27, 28
ICC1
-
25 50 mA
No load, No signal
Circuit current 2
(Power down mode)
Pin 1, 15, 16, 27, 28
ICC2
-
2
4
mA PDX=0V,MUTEX=0V, No load, No
signal
Control circuit
High level input voltage for control
Pin 2, 3, 10, 11, 13
VIH
2.5 -
24
V
Low level input voltage for control
Pin 2, 3, 10, 11, 13
VIL
0
-
0.8
V
High level input voltage for clock
Pin 12
VIHC
2.5
-
5
V
Low level input voltage for clock
Pin 12
VILC
0
-
0.8
V
Audio circuit
Momentary maximum output power
Voltage gain
Total harmonic distortion
PO1
PO2
GV0
GV1
GV2
GV3
THD
-
10
-
-
17
-
12 14 16
18 20 22
24 26 28
30 32 34
- 0.05 -
W
RL=8Ω, THD+n=10%
RL=4Ω, THD+n=10%
Gain1=0V, Gain0=0V
Gain1=0V, Gain0=24V
dB
Gain1=24V, Gain0=0V
Gain1=24V, Gain0=24V
BW=20～20kHz
%
Crosstalk
CT
60 75
-
Rg=0Ω, BW=IHF-A
dB
Output noise voltage
VNO
-
80 160 μVrms Rg=0Ω, BW=IHF-A
Residual noise voltage
(Power down mode)
VNOR
-
PDX=0V, MUTEX=0V
1
10 μVrms Rg=0Ω, BW=IHF-A
Mute attenuation
GVM
80 94
-
MUTEX=0V, BW= IHF-A
dB
Power supply rejection ratio
Internal oscillation frequency
PSRR -
60
-
FOSC 480 600 720
Vripple=1Vrms, BW= IHF-A
dB Rg=0Ω, fripple=100Hz
Pin 12, MS=0V
kHz
External clock frequency
Pin 12, MS=24V
FEXT
480
-
720 kHz
※7 These items show the typical performance of device and depend on board layout, parts, power supply.
The standard value is in mounting device and parts on surface of ROHM’s board directly.
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3/31
2010.05 - Rev.B
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