wm9707scft-v Wolfson Microelectronics plc, wm9707scft-v Datasheet - Page 7

• Manufacturer Part Number: wm9707scft-v
• Description: Ac?97 Revision 2.1 Audio Codec With Spdif Output
• Manufacturer: Wolfson Microelectronics plc

WM9707
Notes:
1.
2.
w
Test Characteristics:
AVDD = 5.0V, DVDD = 3.3V; Ambient Temperature: TA = +25
PARAMETER
ADC Circuit Specifications (AVDD = 3.3V) 48kHz sampling
SNR A-weighted (Note 1)
ADC input for full scale output
THD
Frequency response
Transition band
Stop band
Stop band rejection
PSRR
Mixer Circuit Specifications (AVDD = 3.3V) 48kHz sampling
SNR CD path A-weighted
(Note 1)
SNR Other paths A-weighted
(Note 1)
Maximum input voltage
Maximum output voltage on
LINEOUT
THD (Note 2)
Frequency response (+/-1dB)
Input impedance (CD inputs)
Input impedance (other Mixer
inputs)
Input impedance MIC inputs
PSRR
Clock Frequency Range
Crystal clock
BITCLK frequency
SYNC frequency
SNR is the ratio of 0dB signal output to the output level with no signal, measured A-weighted over a 20Hz to 20kHz
bandwidth.
Inputs are scaled for AVDD eg; 0dBv at 5.0V is equivalent to –3.6dBv at 3.3V.
SYMBOL
TEST CONDITIONS
VREF = 1.65V
-3.6dBv input
20 to 20kHz
At max gain
At max gain
20 to 20kHz
-6dBv input
At any gain
At 0db gain
At 0db gain
o
C unless otherwise stated.
19,200
28,800
MIN
-74
20
20
24.576
12.288
48.0
TYP
100
110
0.7
0.6
1.2
85
80
40
95
90
85
15
20
30
50
PD, Rev 4.4, March 2009
19,200
28,800
20,000
MAX
Production Data
Vrms
Vrms
Vrms
UNIT
MHz
MHz
dBv
kHz
kΩ
kΩ
kΩ
kΩ
kΩ
dB
dB
Hz
Hz
Hz
dB
dB
dB
dB
Hz
dB
7