AK4634 Datasheet, PDF (7/77 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

[AK4634]
ANALOG CHRACTERISTICS
(Ta=25°C; AVDD = DVDD = SVDD=3.3V; VSS1-3 =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: MIC, LIN pins ; MDIF bit = “0”; (Single-ended input)
Input Resistance
20
30
40
kΩ
Gain
(MGAIN3-0 bits = “0000”)
-
0
-
dB
(MGAIN3-0 bits = “0001”)
-
20
-
dB
(MGAIN3-0 bits = “0010”)
-
26
-
dB
(MGAIN3-0 bits = “0011”)
-
32
-
dB
(MGAIN3-0 bits = “0100”)
-
10
-
dB
(MGAIN3-0 bits = “0101”)
-
17
-
dB
(MGAIN3-0 bits = “0110”)
-
23
-
dB
(MGAIN3-0 bits = “0111”)
-
29
-
dB
(MGAIN3-0 bits = “1000”)
-
3
-
dB
(MGAIN3-0 bits = “1001”)
-
6
-
dB
MIC Amplifier: MICP, MICN pins ; MDIF bit = “1”; (Full-differential input)
Input Voltage
(MGAIN3-0 bits = “0001”)
-
-
0.228
Vpp
(Note 6)
(MGAIN3-0 bits = “0010”)
-
-
0.114
Vpp
(MGAIN3-0 bits = “0011”)
-
-
0.057
Vpp
(MGAIN3-0 bits = “0100”)
-
-
0.720
Vpp
(MGAIN3-0 bits = “0101”)
-
-
0.322
Vpp
(MGAIN3-0 bits = “0110”)
-
-
0.161
Vpp
(MGAIN3-0 bits = “0111”)
-
-
0.080
Vpp
(MGAIN3-0 bits = “1001”)
-
-
1.14
Vpp
MIC Power Supply: MPI pin
Output Voltage (Note 7)
TBD
2.64
TBD
V
Load Resistance
2
-
-
kΩ
Load Capacitance
-
-
30
pF
ADC Analog Input Characteristics: MIC/LIN Æ ADC, MIC Gain=20dB, IVOL=0dB, ALC1bit = “0”
Resolution
-
-
16
Bits
Input Voltage (MIC Gain=20dB, Note 8)
TBD
0.198
TBD
Vpp
S/(N+D)
(−1dBFS) (Note 9)
TBD
84
-
dB
D-Range
(−60dBFS)
TBD
86
-
dB
S/N
TBD
86
-
dB
DAC Characteristics:
Resolution
16
Bits
Mono Line Output Characteristics: AOUT pin, DAC → AOUT, R_L=10kΩ
Output Voltage (Note 10) LOVL bit = “0”
TBD
1.98
TBD
Vpp
LOVL bit = “1”
TBD
2.50
TBD
Vpp
S/(N+D)
(0dBFS) (Note 9)
TBD
85
-
dB
D-Range
(-60dBFS)
TBD
93
-
dB
S/N
TBD
93
-
dB
Load Resistance
10
-
-
kΩ
Load Capacitance
-
-
30
pF
Speaker-Amp Characteristics: SDTI Æ SPP/SPN pins, ALC2 bit = “0”, SPKG bit = “0”, R_L=8Ω + 10μH,
BTL = SVDD=3.3V
Output Power (0dBFS)
(Note 11)
-
400
-
mW
S/(N+D)
400mW output
-
20
-
dB
150mW output
-
55
-
dB
Output Noise Level
TBD
-80
-
dBV
Load Resistance
8
-
-
Ω
Load Capacitance
-
-
30
pF
Rev. 0.5
2007/10
-7-