LAG668 Datasheet, PDF (2/5 Pages) Mitsumi Electronics, Corp. – IC for Headphone Stereos (bass boost)

MITSUMI
IC for Headphone Stereos (bass boost) LAG668
Electrical Characteristics ^{(Except where noted otherwise, Ta=25°C)}
Item
Symbol
Measurement conditions
Consumption current
ICC
VIN=0v, IM=0mA
Preamp unit (Ta=25^°C)
Open-circuit gain
Gvo
VO=-10dBm, RL=infinite
Closed-circuit gain
Gvc
VO=-10dBm
Maximum output voltage
Vom
THD=10%
Total harmonic distortion ratio
THD
VOUT=400mVrms
Output noise voltage
Vno
VIN=0, Rg=2.2k, BPF (30~20kHz)
Input impedance
ZIN
VOUT=-10dBm
Crosstalk between channels
C.T
Rg=2.2k, VOUT=-10dBm
Output voltage with pre off
Vooff
VIN=100mVrms
Output resistance with pre off
Rooff
Input resistance on pre off
Rioff
Attenuator unit (Ta=25^°C)
Maximum input voltage
Vi max.
Maximum attenuation
Va max.
Vcont=min.
Attenuation error
Vaerr
Vcont=max.
Input impedance
ZIN
Control pin input resistance
Zicot
Power amp unit (Ta=25^°C)
Voltage gain
Gv
POUT=5mW
Voltage gain difference
between channels
Gv
Vcont=max.
Maximum output power I
Pom1
THD=10%, RL=32Ω
Maximum output power II
Pom2
THD=10%, RL=16Ω
Total harmonic distortion ratio
THD
POUT=5mW
Crosstalk between channels
C.T
POUT=5mW
Output noise voltage
Vn
Rg=2.2k, Vcont=max.
Ripple rejection
RR
VCC=3V, 100Hz, 100mVp-p
Noise of preamp + power amp + B.B.
Motor control unit (Ta=25^°C)
Vnto
* ^{VIN=0, Rg=2.2k, Vcont=max. 1}
Consumption current
IMC
Startup current
IMS
Reference voltage
Vref
Between RML-ADJ pins
Reference voltage fluctuation I Vref1
VCC between 2.1 and 5.0 V
Reference voltage fluctuation II Vref2
IM between 25 and 250 mA
Reference voltage fluctuation III Vref3
Ta between -10 and 50^°C
Current coefficient
K
Current coefficient fluctuation I
K1
VCC between 2.1 and 5.0 V
Current coefficient fluctuation II
K2
IM between 25 and 250 mA
Current coefficient fluctuation III
K3
Ta between -10 and 50^°C
Output voltage on forced on
VCEsa
IM=200mA, 14PIN=VCC
Input resistance on forced on
Rion
Leakage current on forced off
IML
Input resistance on forced off
Ricon
*Conditions unless stated otherwise
Amp unit: VCC=3.0V, f=1kHz, RL=16Ω, Pre OFF=OPEN
Motor unit: VCC=3.0V, IM=100mA, Motor unit: (Mitsumi model)
Note 1: Bass boost circuit constants are based on application circuit diagrams.
Note 2: Motor pin voltage fluctuations
Min. Typ. Max. Units
18 25 mA
72
dB
40 42 44 dB
0.45 0.6
Vrms
0.05 0.5 %
150 300 µVrms
18 22
kΩ
30
dB
-50 dB
10
kΩ
10
kΩ
0.2
66
0
200
100
Vrms
dB
dB
kΩ
kΩ
36 38 40 dB
0 3 dB
20 28
mW
30
mW
0.5 2.0 %
20 30
dB
1.0 2.0 mVrms
31 37
dB
3.0 6.0 mVrms
3.0 5.0 mA
500
mA
0.72 0.80 0.87 V
0.05
%/V
0.01
%/mA
0.01
%/^°C
32 38 43
0.5
%/V
0.05
%/mA
0.02
%/^°C
0.6 V
5.6
kΩ
200 µA
33
kΩ