BD5446EFV 查看數據表（PDF） - ROHM Semiconductor
零件编号
产品描述 (功能)
生产厂家
BD5446EFV Datasheet PDF : 32 Pages
| |||
BD5446EFV
Technical Note
●Electrical characteristics
(Unless otherwise specified Ta=25℃,Vcc=13V,f=1kHz,RL_SP=8Ω,RL_DA=20kΩ,RESETX=3.3V,MUTEX=3.3V,PDX=3.3V,
Gain=20dB,fs=48kHz)
Limits
Item
Symbol
Unit
Min Typ Max
Conditions
Total circuit
Circuit current
Circuit current
(Power down mode)
Open-drain terminal
Low level voltage
ICC1
ICC2
VERR
-
45
90
mA
Pin 25, 28, 29, 53, 54
No load
-
1.5
3
mA
Pin 25, 28, 29, 53, 54,No load
RESETX=0V,MUTEX=0V,PDX=0V
-
-
0.8
V Pin 24,IO=0.5mA
Regulator output voltage 1 VREG_G 5.0 5.5 6.0
V Pin 1, 27
Regulator output voltage 2 VREG_3 3.0 3.3 3.6
V Pin 5
High level input voltage
VIH
2.5
-
3.3
V Pin 7 ~ 18, 21
Low level input voltage
VIL
0
-
0.8
V Pin 7 ~ 18, 21
Input current
(Input pull-down terminal)
IIH
33 66 132 µA Pin 7 ~ 18, 21,VIN = 3.3V
Speaker Output
Maximum momentary
output power 1
PO1
-
10
-
W
THD+n=10%
GAIN=26dB
*7
Maximum momentary
output power 2
PO2
-
20
-
W
VCC=18V, THD+n=10%
GAIN =26dB
*7
Total harmonic distortion
THDSP
-
0.07
-
% PO=1W, BW=20~20kHz
*7
Crosstalk
CTSP
65
80
-
dB PO=1W, BW=IHF-A
*7
Output noise voltage
(Sampling mode)
VNO_SP
-
140 280 µVrms -∞dBFS, BW=IHF-A
*7
Residual noise voltage
(Mute mode)
VNOR_SP
-
5
10 µVrms MUTEX=0V,-∞dBFS, BW=IHF-A
*7
fPWM1
-
512
-
KHz fs=32kHz
*7
PWM sampling frequency
fPWM2
- 705.6 -
KHz fs=44.1kHz
*7
fPWM3
-
768
-
KHz fs=48kHz
*7
DAC Output
Maximum output voltage
VOMAX 0.85 1.0
- Vrms 0dBFS,THD+n=1%
Channel Balance
CB
-1
0
1
dB 0dBFS
Total harmonic distortion
THDDA
-
0.05 0.5
% -20dBFS,BW=20~20kHz
Crosstalk
CTDA
65
80
-
dB 0dBFS,BW=IHF-A
Output noise voltage
VNO_DA
-
10 20 µVrms -∞dBFS, BW=IHF-A
Residual noise voltage
VNOR_DA
-
3
10
µVrms
MUTEX=0V,PDX=0V,
-∞dBFS, BW=IHF-A
*7 These items show the typical performance of device and depend on board layout, parts, and power supply.
The standard value is in mounting device and parts on surface of ROHM’s board directly.
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
3/31
2011.06 - Rev.C
Share Link: 