[AK4616]
アナログ特性
(Ta=25ºC; A3V31, A3V32=D3V3=3.3V, D1V8=1.8V, VSS1 ~ 4 =0V, BICK=64fs; Signal frequency 1kHz;
Measurement frequency = 20Hz~20kHz @fs=48kHz; Unless otherwise specified.)
MIC AMP
min
typ
max
Input Resistance
40
Gain
MGAIN[2:0]bits=0h
0
MGAIN[2:0]bits=1h
15
MGAIN[2:0]bits=2h
18
MGAIN[2:0]bits=3h
21
MGAIN[2:0]bits=4h
24
MGAIN[2:0]bits=5h
27
MGAIN[2:0]bits=6h
30
33
MGAIN[2:0]bits=7h
MIC BIAS
Bias Output Voltage
Load current = 0mA
2.46
Load current = 1mA
2.32
Load Resistance
2
Load Capacitance
30
Stereo ADC Analog Input Characteristics
Resolution
24
S/(N+D)
(-1dBFS, Differential inputs)
80
88
DR
(-60dBFS with A-weighted, Differential inputs)
89
99
S/N
(A-weighted, Differential inputs)
89
99
Interchannel Isolation
110
Interchannel Gain Mismatch
0
0.5
Gain Drift
20
-
Input Voltage
Single-ended (AIN=0.81x AVDD1)
2.40
2.67
2.94
Differential (AIN=±0.81x AVDD1)
±2.40
±2.67
2.94
Input Resistance
40
Power Supply Rejection
5)
70
Monaural ADC Analog Input Characteristics (Single-ended inputs)
Resolution
24
MGAIN[2:0]bits=0h(0dB)
S/(N+D)
(-1dBFS)
87
MGAIN[2:0]bits=3h(+21dB)
80
DR (-60dBFS with A-weighted)
MGAIN[2:0]bits=0h(0dB)
97
MGAIN[2:0]bits=3h(+21dB)
85
S/N
(A-weighted)
MGAIN[2:0]bits=0h(0dB)
97
MGAIN[2:0]bits=3h(+21dB)
85
Gain Drift
20
-
Input Voltage
Single-ended (AIN=0.81x AVDD1)
2.67
Differential (AIN=±0.81x AVDD1)
±2.67
Power Supply Rejection
5)
70
DAC1, 2 Analog Output Characteristics (Single-ended outputs)
Resolution
24
S/(N+D)
(0dBFS)
85
95
DR
(-60dBFS with A-weighted)
100
105
S/N
(A-weighted) (Note
6)
100
105
Interchannel Isolation
100
Interchannel Gain Mismatch (Note
7)
0
0.7
Gain Drift
20
-
Output Voltage
AOUT=0.61x VREFH2
1.80
2.00
2.20
Load Resistance
(AC Load)
5
Load Capacitance
30
Power Supply Rejection (Note
5)
70
Unit
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
V
V
kΩ
pF
Bits
dB
dB
dB
dB
dB
ppm/°C
Vpp
Vpp
kΩ
dB
Bits
dB
dB
dB
dB
dB
dB
ppm/°C
Vpp
Vpp
dB
Bits
dB
dB
dB
dB
dB
ppm/°C
Vpp
kΩ
pF
dB
MS1437-J-01
-6-
2012/11
AKM [ ASAHI KASEI MICROSYSTEMS ]
