W681308DG Datasheet, PDF (58/64 Pages) Nuvotem Talema – W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)

W681308
XXXX PRODUCT DESCRIPTION
20.5.3
48kHz sampling
AVDD=3.13V – 3.47V; V_SS=0V; T_A=-40°C to +85°C; 48kHz sampling
PARAMETER
Signal to Noise Ratio
Total Harmonic
Distortion
Total Harmonic
Distortion
Total Harmonic
Distortion
SYMBOL
CONDITION
SNR
THD3
THD8
THD4
Idle channel
A-weighted
-3dBFS @ 1020 Hz,
32Ohm speaker load
-3dBFS @ 1020 Hz,
8Ohm speaker load
-6dBFS @ 1020 Hz,
4Ohm speaker load
TRANSMIT (ADC)
MIN TYP MAX
80
92
--
--
-77
-67
--
-77
-67
--
-78
-68
RECEIVE (DAC)
MIN TYP MAX
80
85
--
--
-76
-66
--
-69
-59
--
-65
-55
UNIT
dB
dB
dB
dB
Frequency Response
Frl
-3dB Low pass cut-off
20.2
20.2
kHz
Power Supply
Rejection
PSRR_A
V_DDUSB; 35mVrms
DC to 6.8 kHz
A-weighted
70
88
---
66
76
---
dB
20.6 Programmable Output Linear Regulator
T_A=-40°C to +85°C; Using discrete components per application diagram;
PARAMETER
Recommended USB Supply
Voltage
SYMBOL
V_DDUSB
CONDITION
Low Power Mode (100mA)
High Power Mode (500mA)
Regulated Supply Voltage
V_DD
No Load, Normal Operation
Total Suspend Mode
Current
Suspend Mode
I_SP
Including USB pull-up and discrete
regulator
Operating Supply Current
I_VDD
No Load, Normal Operation
MIN ⁽²⁾
4.4
4.75
3.13
TYP ⁽¹⁾
5
5
MAX ⁽²⁾
5.25
5.25
3.3
3.47
UNIT
V
V
V
--
463
--
uA
--
38
--
mA
Voltage Drop
V_DROP0.5 V_DDUSB =5V, load=500mA
--
0.006
--
V
Voltage Drop
V_DROP1 V_DDUSB =5V, load=1A
--
0.06
--
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