AK4536 Datasheet, PDF (6/59 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4536]
ANALOG CHRACTERISTICS
(Ta=25°C; AVDD, DVDD, SVDD=3.3V; AVSS=DVSS=SVSS=0V; fs=8kHz, BICK=64fs; Signal Frequency=1kHz;
16bit Data; Measurement frequency=20Hz ∼ 3.4kHz; EXT Slave Mode; unless otherwise specified)
Parameter
min
typ
max
Units
MIC Amplifier
Input Resistance
20
30
40
kΩ
Gain
(MGAIN bit = “0”)
-
0
-
dB
(MGAIN bit = “1”)
-
20
-
dB
MIC Power Supply: MPI pin
Output Voltage (Note 4)
2.22
2.47
2.72
V
Output Current
-
-
1.25
mA
Input PGA Characteristics:
Input Resistance (Note 5)
5
10
15
kΩ
Step Size
0.1
0.5
0.9
dB
Gain Control Range
−8
+27.5
dB
ADC Analog Input Characteristics: MIC Gain=20dB, IPGA=0dB, ALC1=OFF, MIC à IPGA à ADC
Resolution
16
Bits
Input Voltage (MIC Gain=20dB,Note 6)
0.178
0.198
0.218
Vpp
S/(N+D)
(−1dBFS) (Note 7)
70
80
dB
D-Range
(−60dBFS)
77
85
dB
S/N
77
85
dB
DAC Characteristics:
Resolution
16
Bits
Mono Line Output Characteristics: R_L=10kΩ, AOUT pin (DAC → AOUT)
Output Voltage (Note 8)
1.78
1.98
2.18
Vpp
S/(N+D)
(0dBFS) (Note 7)
75
85
dB
D-Range
(-60dBFS)
85
95
dB
S/N
85
95
dB
Load Resistance
10
kΩ
Load Capacitance (Note 15)
30
pF
Speaker-Amp Characteristics: R_L=8Ω, BTL, MIN pin → SPP/SPN pin, ALC2=OFF
Output Voltage
SPKG = “0”
2.47
3.09
3.71
Vpp
(Note 9)
SPKG = “1”
3.20
4.00
4.80
Vpp
S/(N+D)
SPKG = “0”, 150mW Output
50
SPKG = “1”, 250mW Output
20
60
50
dB
dB
S/N (Note 10)
80
90
dB
Load Resistance
8
Ω
Load Capacitance
30
pF
BEEP Input: BEEP pin
Maximum Input Voltage (Note 11)
1.98
Vpp
Feedback Resistance
14
20
26
kΩ
Mono Input: MIN pin
Maximum Input Voltage (Note 12)
2.18
Vpp
Input Resistance (Note 13)
12
24
36
kΩ
Mono Output: MOUT pin (DAC→ MOUT)
Output Voltage (Note 14)
1.78
1.98
2.18
Vpp
Load Resistance
10
kΩ
Load Capacitance (Note 15)
30
pF
MS0174-E-00
-6-
2002/09