NAU8812EVB Nuvoton Technology Corporation of America, NAU8812EVB Datasheet - Page 13

• Manufacturer Part Number: NAU8812EVB
• Description: BOARD EVAL FOR NAU8812
• Manufacturer: Nuvoton Technology Corporation of America
• Series: emPowerAudio™r

Specifications of NAU8812EVB

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Analogue to Digital Converter (ADC)
Full scale input signal
Signal to Noise Ratio
Total Harmonic Distortion
Digital to Analogue Converter (DAC) to MONO output (all data measured with 10kΩ / 50pF load)
Full Scale output signal
Signal to Noise Ratio
Total Harmonic Distortion
Auxiliary Analogue Input (AUX)
Full-scale Input Signal Level
Input Resistance
Input Capacitance
Microphone Inputs (MICN & MICP) and MIC Input Programmable Gain Amplifier (PGA)
Full-scale Input Signal Level
Programmable input PGA gain
Programmable Gain Step Size
Programmable Boost PGA gain
Mute Attenuation
PGA equivalent output noise
Auxiliary Input resistance
Positive Microphone Input
resistance
Input Capacitance
Speaker Output PGA
Programmable Gain
Programmable Gain Step Size
11. ELECTRICAL CHARACTERISTICS
VDDC = 1.8V, VDDA = VDDB = SPKBST = 3.3V, T
otherwise stated.
emPowerAudio
Datasheet Revision 2.0
PARAMETER
™
2
2
1
1
3
3
1
1
SYMBOL
R
V
V
V
SNR
THD
SNR
THD
R
C
R
C
MIC+
INFS
INFS
INFS
AUX
AUX
AUX
MIC
PGABST = 0dB
PGAGAIN = 0dB
Gain = 0dB, A-weighted
Input = -1dBFS, Gain = 0dB
MOUTBST=0
MOUTBST=1
A-weighted (ADC/DAC oversampling rate
of 128)
R
Gain = 0dB
AUXM=0
PGABST = 0dB
PGAGAIN = 0dB
Guaranteed monotonic
PGABST = 0
PGABST = 1
0 to 20kHz,
Gain set to 35.25dB
PGA Gain = 35.25dB
PGA Gain = 0dB
PGA Gain = -12dB
PMICPGA = 1
Guaranteed monotonic
L
= 10 kΩ; -1.0dBfs
Page 13 of 109
A
= +25
TEST CONDITIONS
o
C, 1kHz signal, fs = 48kHz, 24-bit audio data unless
MIN
-12
-57
87
90
NAU8812
January 2011
(V
1.5 x
TYP
V
0.75
1.0x
100
110
1.0
-79
-84
1.6
91
93
20
10
20
47
75
94
10
REF
REF
0
1
0
1
0
0
1
)
35.25
MAX
-65
-70
6
UNIT
V
V
V
V
dBV
dBV
dBV
kΩ
kΩ
kΩ
kΩ
kΩ
dB
dB
dB
dB
pF
dB
dB
dB
dB
µV
pF
dB
dB
RMS
RMS
RMS
RMS