BD3861FS Datasheet, PDF (7/14 Pages) Rohm – Audio sound controller

Audio ICs
BD3861FS
zElectrical characteristics (Unless specified particularly, VCC=9V, f=1kHz, VIN=1Vrms, Rg=600Ω, RL=10kΩ, Ta=25°C,
INPUT Gain=0dB, VOL=0dB, Bass, Middle, Treble=0dB) Measurement circuit is Fig.1.
Parameter
<TOTAL>
Symbol Min. Typ. Max. Unit
Conditions
SW No.
Select address/Serial data
(HEX notation)
Measure-
ment
1/4 2/5 3/8 7 8 9/10 11/12 1 2 3 4-1 4-2 5-1 5-2 ^point
Circuit current
IQ
− 13.0 26.0 mA Without signal
1 1 − 2 1 1 2 00 02 01 05 0D 03 0B
I
Output voltage gain
GV=20log(O1/VIN)
GV −1.5 0.0 1.5 dB
GV=20log(O2/VIN)
O1
1 2 2 2 2 1 2 00 02 01 05 0D 03 0B
O2
Total harmonic distortion THD
−
0.02 0.08
% ^VIN=2Vrms
400~30kHz BPF
O1
1 2 2 2 2 1 2 00 02 01 05 0D 03 0B
O2
Maximum output voltage VOM 2.0 2.5 − Vrms THD=1%
O1
1 2 2 2 2 1 2 00 02 01 05 0D 03 0B
O2
Maximum noise voltage
VNO
− 8.0 15.0 µVrms Rg=0kΩ, IHF−A
O1
1 1 − 2 2 1 2 00 02 01 05 0D 03 0B
O2
Cross-talk between
channels
CT=20log(O2/O1)
2/1 2/−
O2
CT
− −80 −70 dB Rg=0kΩ, IHF−A
1
2 2 1 2 00 02 01 05 0D 03 0B
CT=20log(O1/O2)
1/2 −/2
O1
<INPUT>
6dBSW gain
GV6=20log(G1/VIN)
G1
GV6
5
6
7
dB VIN=200mVrms
1 2 2 2 2 1 1 00 02 11 05 0D 03 0B
GV6=20log(G2/VIN)
G2
Input voltage gain1
∗ Gvmaxl1 −1 ∗1
+1
dB
VIN=200mVrms
From 0 to 10dB
Gvmaxl1=20log(G1/VIN)
1
Gvmaxl1=20log(G2/VIN)
2
2
2
2
1
1
00
02
01
∗3
A5
0D
03
0B
G1
G2
Input voltage gain2
∗ Gvmaxl2 −1.5 ∗2
+1.5
dB
VIN=200mVrms
From 12 to 20dB
Gvmaxl1=20log(G1/VIN)
Gvmaxl1=20log(G2/VIN)
1
2
2
2
2
1
1
00
02
01
∗4
F5
0D
03
0B
G1
G2
Input gain switch step Gvmaxlst −
2
−
dB From 0 to 20dB
G1
1 2 2 2 2 1 1 00 02 01 − 0D 03 0B
G2
INPUT total harmonic
distortion
THDI
−
0.02 0.08
%
VIN=2Vrms
400~30kHz BPF
G1
1 2 2 2 2 1 1 00 02 01 05 0D 03 0B
G2
INPUT maximum output
voltage
VOMI
2.0 2.5
−
dB THD=1%
G1
1 2 2 2 2 1 1 00 02 01 05 0D 03 0B
G2
Cross-talk between
selectors
CS=20log(G1/VIN)
G1
CS
− −80.0 −70.0 dB Rg=0kΩ, IHF−A
1 2 2 2 2 1 1 00 02 81 05 0D 03 0B
CS=20log(G2/VIN)
G2
Input resistance
RI=51k×VR1/ (VIN-VR1)
RI
35.0 50.0 65.0 kΩ
RI=51k×VR2/ (VIN-VR2)
VR1
1 2 1 2 2 1 1 00 02 01 05 0D 03 0B
VR2
"E" input SW attenuation GRE
GRE=20log(G1/VIN)
− −20.0 −15.0 dB
GRE=20log(G2/VIN)
G1
5 2 2 2 2 1 1 00 02 29 05 0D 03 0B
G2
<INPUT Volume>
Input Volume Gain1 ∗ GIV1
GIV1=20log(O1/VIN)
−2 ∗5 +2 dB From 0 to −50dB
GIV1=20log(O2/VIN)
1
1
−
2
2
2
1
00
∗7
1A
01
05
0D
03
0B
O1
O2
Input Volume Gain2 ∗ GIV2
GIV2=20log(O1/VIN)
−3 ∗6 +3 dB From −54 to −70dB
GIV2=20log(O2/VIN)
1
1
−
2
2
2
1
00
∗8
7A
01
05
0D
03
0B
O1
O2
Volume switch step1
GIVst1
−
2
−
dB From 0 to −50dB
O1
1 1 − 2 2 2 1 00 − 01 05 0D 03 0B
O2
Volume switch step2
GIVst2
−
4
−
dB From −54 to −70dB
O1
1 1 − 2 2 2 1 ^{00 − 01 05 0D 03 0B}
O2
MUTE level
GminI −
− −90.0 dB IHF−A
GminI=20log(O1/VIN)
GminI=20log(O2/VIN)
O1
1 1 − 2 2 2 1 00 FA 01 05 0D 03 0B
O2
<OUTPUT Volume>
Output Volume Gain ∗ GOV
GOV=20log(O1/VIN)
−1 ∗9 +1 dB From 0 to −59dB
GOV=20log(O2/VIN)
1
1
−
2
2
2
1
∗10
DC
02
01
05
0D
03
0B
O1
O2
OUTPUT switch step
GOVst
−
1
−
dB From 0 to −59dB
O1
1 1 − 2 2 2 1 − 02 01 05 0D 03 0B
O2
MUTE level
GminO −
− −90.0 dB IHF−A
GminO=20log(O1/VIN)
1 1 − 2 2 2 1 FC 02 01 05 0D 03 0B
O1
GminO=20log(O2/VIN)
O2
∗ It shows a specified value at the deviation from the setting value.
∗1 0.2.4.6.8.10dB
∗2 12.14.16.18.20dB
∗3 Setting 10dB
∗4 Setting 20dB
∗5 From 0 to −50dB −2dB/STEP
∗6 From −54 to −70dB −4dB/STEP
∗7 Setting −50dB
∗8 Setting −70dB
∗9 From 0 to −59dB −1dB/STEP
∗10 Setting −59dB
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