Rohm LAPIS Semiconductor ML22620, Manual

Page: 12 / 115

FEDL22620-01
ML22620
●
Analog Part Characteristics
SPV
DD
≥DV
DD
=IOV
DD
=2.7 to 5.5V, DGND=SPGND=0V, Ta=-40 to +85°C, Load capacitance of output pin =15pF(max.)
Parameter Symbol Condition Min. Typ. Max. Unit
RC4MHz clock frequency Frc Ta=-40 to +70°C 3.89 4.096 4.31 MHz
AIN pin input resistance R
AIN
Input gain 0dB 10 20 30
kΩ
AIN pin input voltage range V
AIN
— — — SPV
DD
×2/3 Vp-p
Line amplifier output
resistance1
*1
R
LA1
SPV
DD
= 3.3 to 5.5V
When 1/2SPV
DD
± 1 mA is
applied
— — 100
Ω
Line amplifier output
resistance2
*1
R
LA2
SPV
DD
= 2.7 to 3.6V
When 1/2SPV
DD
± 1 mA is
applied
— — 300
Ω
Line amplifier
output-load-resistance
*1
R
LA
For SPGND 10 — —
kΩ
Line amplifier Out put Voltage
Range
*1
V
AO
No output load SPV
DD
/6 — SPV
DD
×5/6 V
SG pin output voltage V
SG
—
0.95x
SPV
DD
/2
SPV
DD
/2
1.05x
SPV
DD
/2
V
SG pin output resistance R
SG
— 57 96 135
kΩ
SPP/SPM pins Output-Load
Resistance
R
LSP1
— 6 8 —
Ω
To the SPP and SPM pins
Short circuit detection
R
OCDAB
Class AB speaker amplifier
4.5V
≤SP
VDD
≤5.5V
0.1 — 6
Ω
R
OCDD
Class D speaker amplifier
4.5V
≤SP
VDD
≤5.5V
0.1 — 3
Ω
Speaker amplifier output power
1
P
SPO1
SPV
DD
=5.0V,
f=1kHz R
SPO
=8Ω,
THD=10%
0.8 1 — W
Speaker amplifier output power
2
P
SPO2
SPV
DD
=3.0V,
f=1kHz R
SPO
=8Ω,
THD=10%
0.1 0.3 — W
During no-signal SPM-SPP
Output offset voltage
V
OF
AVOL=0dB
8 Ω load
-50 — 50 mV
*1 Applies to the SPP when outputting LINE.
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