LAG665 Datasheet, PDF (4/5 Pages) Mitsumi Electronics, Corp. – IC for Headphone Stereos Monolithic IC LAG 665

MITSUMI
IC for Headphone Stereos LAG665
Switch Matrix
Switch Number
Conditions
Item
1 2 3 4 5 6 7 8 9 10 11
(Except where noted otherwise,
RL=16Ω, VCC=3V, Fosc=1kHz)
Consumption current c c a b b a b b b a a
IM=0mA, VR=max.
Amp unit
Closed-circuit gain
bbb
Vo=-10dBm
Maximum output voltage
THD=10%
Total harmonic distortion ratio
Vo=400mVrms
Output noise voltage c c
b
Crosstalk between channels
cb
Measured after inserting BPF (30 Hz to 20 kHz)
Preamp unit
VO=-10dBm, measured with channels swapped
using SW1, SW2
Output voltage with preamp off b
a
Maximum input voltage a a a
Maximum attenuation
Voltage gain
Voltage gain difference
between channels
Maximum output power I
ba
Maximum output power II
ab
Total harmonic distortion ratio
c
Crosstalk between channels _{c a}
Output noise voltage
c
b
Ripple rejection
ba
b
Pre + power noise
ab
a
Consumption currentt
a
a
Startup current
b
Reference voltage
a
Reference voltage fluctuation I
Reference voltage fluctuation II
Output voltage on forced on
a
Leakage current on forced off
b
ab
VIN=100mVrms
VIN voltage when VR=mid, THD=10%
Difference in VO output when VR=max and
output voltage when VR=min
POUT=5mW
Attenuator unit
Channel output difference at VR=max
RL=32Ω, THD=10%
RL=16Ω, THD=10%
POUT=5mW
POUT=5mW measured with channels swapped
output voltage when VR=min
VR=min.
VR=max.
VR=max.
IM=0mA
Power amp unit
IM=100mA (15~16PIN)
IM=100mA, VCC=2.1~5.0V (13~17PIN)
Vcc=3.0V, IM=25~250mA
IM=200mA
Motor uni
Note: For switches with only on and off states, a = on and b = off.
Characteristics
Preamp
10.0
THD-VOUT
VCC=1.8V
VCC=2.0V
VCC=3.0V
1.0
0.1
0.01
-30 -20 -10 0
Output voltage (dBm)
Attenuator
0
-20
-40
-60
-80
VATT-VCONT
VCC=3.0V
0/6
(min.)
1/6 2/6 3/6 4/6 5/6 6/6
(max.)
Voltage controllability
(B curve mechanical knob)