BH7884EFV_10 Datasheet, PDF (2/11 Pages) Rohm – 1W+1W Stereo Speaker / Headphone Amplifier

BH7884EFV
Technical Note
●Electrical characteristics (Unless otherwise noted, V_CC=3.3V, Ta=25℃, f=1kHz)
Parameter
Symbol
Min.
Limits
Typ.
Max. ^Unit
■1 CHIP
Circuit current ACTV
IA
-
9.0
18.0 mA
Condition
No signal ACTIVE
Circuit current SPND
■SP AMP
Voltage gain1
Is
-
0.2
10.0 µA No signal SUSPEND
G_SP1
9.0
12.0
15.0 dB SE, Vin=-18dBV,RL=8Ω
Voltage gain2
G_SP2
15.2
18.2
21.2 dB BTL, Vin=-18dBV
Distortion
D_SP
-
0.1
1.0
% BTL, Vin=-18dBV
Maximum output level
V_OSP
2.2
5.2
-
dBV BTL, DSP=1%
Output noise level
V_NSP
-
-97
-80 dBV SE, DIN-Audio
Cross talk
CT_SP
-
-90
-80 dBV SE, Vin=-18dBV, DIN-Audio
Output level on mute
■HP AMP
Voltage gain 3
MT_SP
-
-102
-80 dBV BTL, Vin=-18dBV
G_HP
2.6
5.6
8.6
dB VOL:MAX, R_L=10kΩ,Vin=-12dBV
Voltage gain 4
G_HP
-10
-7
-4
dB VOL:MAX, R_L=32Ω,Vin=-12dBV
Distortion
D_HP
-
0.025
0.1
% VOL:MAX, R_L=32Ω,Vin=-8dBV
Variable width of volume
ΔG_HP
70
100
-
dB VOL:MIN ~ MAX, RL=32Ω
Maximum output level
V_OHP
-2.0
1.0
-
dBV VOL:MAX, DHP=1%, RL=10kΩ
Output noise level
Cross talk
Output level on mute
■BEEP AMP
Output voltage level
■BIAS
Output voltage level
■CTRL
ACTIVE mode
SUSPEND mode
SP/ON mode
SP/OFF mode
BASS-BOOST/ON mode
BASS-BOOST/OFF mode
STEREO mode
MONO mode
ACTIVE mode
MUTE mode
■PSRR
Ripple rejection ratio
V_NHP
-
CT_HP
-
MT_HP
-
V_BP
0.8
V_BIAS
1.4
V_11H
V_11L
V_2H
V_2L
V_4H
V_4L
V_3H
V_3L
V_10H
V_10L
V_CC-0.3
GND
V_CC-0.3
GND
V_CC-0.7
GND
V_CC-0.7
GND
V_CC-0.7
GND
G_PR
-
-98
-98
-110
1.25
1.7
-
-
-
-
-
-
-
-
-
-
-64
-80 dBV VOL:MAX, R_L=32Ω, DIN-Audio
-80
dBV
VOL:MAX, R_L=32Ω,Vin=-12dBV
DIN-Audio
-80
dBV
VOL:MAX, R_L=32Ω,Vin=-12dBV
DIN-Audio
-
Vpp Vin=1.3dBV, f=1kHz, 20MHzLPF
2.0
V No Signal
V_CC
V
Active mode.
Hold Voltage of 11pin.
0.3
V
Suspend mode.
Hold Voltage of 11pin.
V_CC
V
SP / ON mode.
Hold Voltage of 2pin.
0.3
V
SP/OFF mode.
Hold Voltage of 2pin.
V_CC
V
SP / Bass Boost mode.
Hold Voltage of 4pin.
0.7
V
SP / Non Boost mode.
Hold Voltage of 4pin.
V_CC
V
SP / STEREO mode.
Hold Voltage of 3pin.
0.7
V
SP / MONO mode.
Hold Voltage of 3pin.
V_CC
V
HP / Active mode.
Hold Voltage of 10pin.
0.7
V
HP / MUTE mode.
Hold Voltage of 10pin.
-
dBV
f=100Hz, 0.3Vpp, SIN Input
SPOUT monitor, DIN-Audio
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2010.06 - Rev.A