LAG665 Datasheet, PDF (2/5 Pages) Mitsumi Electronics, Corp. – IC for Headphone Stereos Monolithic IC LAG 665

MITSUMI
IC for Headphone Stereos LAG665
Electrical Characteristics ^{(Except where noted otherwise, Ta=25°C)}
Item
Symbol Measurement conditions
Min. Typ. Max. Units
Consumption current
ICC
VIN=0V, IM=0mA
18 25
mA
Preamp unit (Ta=25°C)
Open-circuit gain
Gvo
Vo=-10dBm, RL=∞
72
dB
Closed-circuit gain
Gvc
Vo=-10dBm
40 42 44
dB
Maximum output voltage
Vom
THD=10%
0.45 0.6
Vrms
Total harmonic distortion ratio THD
VOUT=400mVrms
0.05 0.5
%
Output noise voltage
Vno VIN=0, Rg=2.2k BPF(30~20kHz)
150 300 µVrms
Input impedance
ZIN
VOUT=-10dBm
18 22
kΩ
Crosstalk between channels C.T
Rg=2.2k, VOUT=-10dBm
30
dB
Output voltage with preamp off Vooff
VIN=100mVrms
-50
dB
Output resistance with preamp off Rooff
10
kΩ
Input resistance on pre off Rioff
10
kΩ
Measurement conditions Unless noted otherwise, VCC=3.0 V, f=1 kHz.
The preamp off pin is left open
Attenuator unit (Ta=25^°C)
Maximum input voltage
Vi max.
0.2
Vrms
Maximum attenuation
Va max.
Vcont=min.
66
dB
Attenuation error
Vaerr
Vcont=max.
0
dB
Input impedance
ZIN
15 20
kΩ
Control pin input resistance Zicot
100
kΩ
Measurement conditions Unless noted otherwise, VCC=3.0 V, f=1 kHz, (RL=16Ω).
Power amp unit (Ta=25^°C)
Voltage gain
Gv
POUT=5mW
26 28 30
dB
Voltage gain difference between channels Gv
Vcont=max.
0
3
dB
Maximum output power I Pom1
THD=10%, RL=32Ω
20 28
mW
Maximum output power II Pom2
THD=10%, RL=16Ω
30
mW
Total harmonic distortion ratio THD
POUT=5mW
0.2 2.0
%
Crosstalk between channels C.T
POUT=5mW
20 30
dB
Output noise voltage
Vn
Rg=2.2k, Vcont=min.
0.25 1.0 mVrms
Ripple rejection
RR
VCC=3V, 100Hz, 100mVp-p
34 40
dB
Noise of preamp + power amp Vnto VIN=0V, Rg=2.2k, Vcont=max.
6
9 mVrms
Measurement conditions Unless noted otherwise, VCC=3.0 V, f=1 kHz,(RL=16Ω).
Motor control unit (Ta=25^°C)
Consumption current
IMC
3.0 5.0
mA
Startup current
IMS
500
mA
Reference voltage
Vref
Between RML-ADJ pins
0.72 0.80 0.87
V
Reference voltage fluctuation I Vref1
Reference voltage fluctuation II Vref2
* ^{VCC between 2.1 and 5.0 V}
IM between 25 and 250 mA
0.05
%/V
0.01
%/mA
Reference voltage fluctuation III Vref3 Ta between -10 and 50°C
0.01
%/^°C
Current coefficient
K
32 38 43
Current coefficient fluctuation I K1
VCC between 2.1 and 5.0 V
0.5
%/V
Current coefficient fluctuation II K2
IM between 25 and 250 mA
0.05
%/mA
Current coefficient fluctuation III K3
Ta between -10 and 50°C
0.02
%/^°C
Output voltage on forced on VCEsa
IM=200mA, 14PIN=VCC
0.6
V
Input resistance on forced on Rion
5.6
kΩ
Leakage current on forced off IML
200
µA
Input resistance on forced off Ricon
33
kΩ
Measurement conditions Unless noted otherwise, VCC=3.0, IM=100 mA, circuit constants as specified.
Motor: M25E-7 (Mitsumi model)
* ^{Voltage across pins 13 and 19 (motor pins) fluctuates.}