FEDL2302DIGEST-05
OKI Semiconductor
ML2302
Analog Characteristics
(DVDD = AVDD = 2.7 to 3.6 V, DGND = AGND = 0 V, Ta = –10 to +70°C)
Parameter
D/A Output Relative
Error
Symbol
|VDAE
Condition
Min.
Typ.
Max.
Unit
|
Without load
—
—
40
mV
LOUT Allowable Voltage
Range
VLOUT
GOP
RDAO
RINA
RINAM
ROUTA
VDD = 3 V
0.75
40
30
1
—
—
2.25
—
V
OP Amplifier Open Loop
Gain
fin = 0 to 4 kHz
dB
kΩ
MΩ
kΩ
kΩ
DAC output is selected
AOUT = 1/2VDD
DAC Output Impedance
50
70
OP Amplifier Input
Impedance
(Excluding MIC amplifier)
—
—
MIC Amplifier Input
Impedance
MIC amplifier
—
8.1
50
11.6
—
15.1
—
MOUT, LOUT Load
Resistance
AOUT Load Resistance
VR Output Voltage
SG Output Voltage
SPIN Input Impedance
RAOL
VVR
—
—
50
1.22
1.47
1
—
1.25
1.5
—
—
1.28
1.53
—
kΩ
V
VSG
RISP
VDD = 3.0 V
V
MΩ
SPIN → SPOUT–
AV1
AV2
PD1
(Loop resistor is not connected)
40
—
0
—
0.4
—
dB
dB
Voltage Gain
f
IN = 10 kHz
SPOUT– → SPOUT+
–0.4
100
VDD = 3.0 V
Differential Output
Power
RL = 8Ω
THD ≥ 10%
—
mW
SPOUT+/–
Output Voltage
SPOUT+/–
Output Offset Voltage
SPOUT+/–
Output “H” Voltage
SPOUT+/–
VSP
VSPOF
VSPH
VSPL
No signal is input.
1.17
—
1.25
—
1.33
±50
—
V
mV
V
No signal is input.
IOH = +10 mA
2.2
—
—
IOL = –10 mA
—
0.25
V
Output “L” Voltage
10/24
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