Multimedia ICs
BA7786FP-Y / BA7787FS
BA7787FS
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Measurement circuit
〈Supply current〉
Supply current
ICC
3.10 4.25 6.74 mA No input, SP OUT = no load
Fig.2
Supply current SUSPEND
ICCS
175 240 410 µA No input, VH = VS = H
Fig.2
〈HP AMP 1〉 INPUT: LINE IN L / R, OUTPUT: HP OUT L / R
Output voltage level
Distortion
EVR variation range
Maximum output level
Output residual noise
Interchannel crosstalk
Muting level
VOHP – 7.4 – 4.0 – 1.5
THDHP
—
0.1 1.0
GEVR
70 90 —
VOMHP
VONHP
CTHP
MTHP
– 1.6
—
—
—
+ 0.6
– 80
– 79
– 94
—
– 73
– 70
– 83
dBV
%
dB
dBV
dBV
dBV
dBV
VIN = – 10.0dBV
VIN = – 10.0dBV∗1
VIN = – 10.0dBV∗2
VE = HP VCC→VE = ground level differential
THD = 1%∗1
Rg = 1kΩ∗2
VIN = – 7.0dBV∗2
VIN = – 7.0dBV∗2, VM = L
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
〈HP AMP 2〉 INPUT: SYSTEM BEEP IN, OUTPUT: HP OUT L / R
Output voltage level
VOHB
0.22 0.32 0.42 VP-P VIN = 5.0VP-P
Fig.2
Input threshold level
VHBH
4.5
—
5.0 VP-P
Fig.2
〈SP AMP 1〉 INPUT: SP IN L / R, OUTPUT: SP OUT L / R
Output voltage level
Distortion
Maximum output level
Output residual noise
Interchannel crosstalk
LINE MIX OFF level
VOSP
THDSP
VOMSP
VONSP
CTSP
VOOFFSP
– 1.4
—
+ 3.5
—
—
—
+ 2.0
0.4
+ 5.7
– 90
– 78
– 78
+ 4.5
1.5
—
– 80
– 70
– 70
dBV
%
dBV
dBV
dBV
dBV
VIN = – 10.0dBV
VIN = – 10.0dBV∗1
THD = 1%∗1
Rg = 1kΩ∗2
VIN = – 12.0dBV∗2
VIN = – 12.0dBV∗2, VL = L
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
Fig.2
〈SP AMP 2〉 INPUT: PM BEEP IN, OUTPUT: SP OUT L / R
Output level
VOSB – 7.4 – 4.0 – 1.5 dBV VIN = – 10.0dBV
Fig.2
〈Control threshold voltage〉
〈MUTE CTRL〉 (pin 3)
HP MUTE ON holding voltage
VML
GND — 0.4
V
—
Fig.2
HP MUTE OFF holding voltage VMH
4.3
—
VCC
V
—
Fig.2
〈HP SUSPEND〉 (pin 9)
HP SUSPEND holding voltage VHL
GND — 0.4
V
—
Fig.2
HP SUSPEND holding voltage VHH
4.3
—
VCC
V
—
Fig.2
〈SP SUSPEND〉 (pin 10)
SP SUSPEND holding voltage
VSL
GND — 0.4
V
—
Fig.2
SP SUSPEND holding voltage VSH
4.3
—
VCC
V
—
Fig.2
〈LINE MIX ON / OFF〉 (pin 12)
LINE MIX OFF holding voltage VLL
GND — 0.4
V
—
Fig.2
LINE MIX ON holding voltage
VLH
4.3
—
VCC
V
—
∗1: B.W. = 0.4 ~ 30kHz
∗2: DIN audio mode settings are as follows, unless otherwise noted:
VE = HP VCC (EVR = Max.), VM = H (HP MUTE OFF), VH = L (HP SUSPEND), VS = L (SP SUSPEND), VL = H (LINE MIX ON),
VN = H (STEREO)
Fig.2
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