W681308
XXXX PRODUCT DESCRIPTION
20.5.3
48kHz sampling
AVDD=3.13V – 3.47V; VSS=0V; TA=-40°C to +85°C; 48kHz sampling
TRANSMIT (ADC)
RECEIVE (DAC)
PARAMETER
SYMBOL
SNR
CONDITION
Idle channel
UNIT
dB
MIN
TYP
MAX
MIN
TYP
MAX
Signal to Noise Ratio
80
--
92
--
80
--
85
--
A-weighted
Total Harmonic
Distortion
-3dBFS @ 1020 Hz,
32Ohm speaker load
THD3
THD8
THD4
Frl
-77
-77
-78
20.2
88
-67
-67
-68
-76
-69
-65
20.2
76
-66
-59
-55
dB
Total Harmonic
Distortion
-3dBFS @ 1020 Hz,
8Ohm speaker load
--
--
dB
Total Harmonic
Distortion
-6dBFS @ 1020 Hz,
4Ohm speaker load
--
--
dB
Frequency Response
-3dB Low pass cut-off
kHz
dB
VDDUSB; 35mVrms
DC to 6.8 kHz
A-weighted
Power Supply
Rejection
PSRRA
70
---
66
---
20.6
Programmable Output Linear Regulator
TA=-40°C to +85°C; Using discrete components per application diagram;
PARAMETER
SYMBOL
VDDUSB
CONDITION
MIN (2)
TYP (1)
MAX (2)
UNIT
Low Power Mode (100mA)
High Power Mode (500mA)
4.4
5
5
5.25
5.25
V
V
Recommended USB Supply
Voltage
4.75
Regulated Supply Voltage
VDD
No Load, Normal Operation
Suspend Mode
3.13
--
3.3
3.47
--
V
Total Suspend Mode
Current
ISP
463
uA
Including USB pull-up and discrete
regulator
Operating Supply Current
Voltage Drop
IVDD
No Load, Normal Operation
VDDUSB =5V, load=500mA
VDDUSB =5V, load=1A
--
--
--
38
--
--
--
mA
V
VDROP0.5
0.006
0.06
Voltage Drop
VDROP1
V
NOTE 1: Typical values: TA = 25°C
NOTE 2: All min/max limits are guaranteed by Nuvoton via electrical testing or characterization. Not all specifications are
100 percent tested
58
Rev1.2
NUVOTEM TALEMA [ NUVOTEM TALEMA ]
