wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 9

• Manufacturer Part Number: wm9714l
• Description: Ac?97 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
COMPARATORS
REFERENCE VOLTAGES
w
AUXILIARY ADC
Test Conditions
DBVDD = 3.3V, DCVDD = 3.3V, AVDD = 3.3V, T
Input Pins AUX4, COMP1/AUX1, COMP2/AUX2
Input Voltage
Input leakage current
ADC Resolution
Differential Non-Linearity Error
Integral Non-Linearity Error
Offset Error
Gain Error
Power Supply Rejection
Channel-to-channel isolation
Throughput Rate
Settling Time (programmable)
Test Conditions
DBVDD = 3.3V, DCVDD = 3.3V, AVDD = 3.3V, T
COMP1/AUX1 and COMP2/AUX2 (pins 29, 30 – when not used as mic inputs)
Input Voltage
Input leakage current
Comparator Input Offset
(COMP1, COMP2 only)
COMP2 delay (COMP2 only)
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, T
Audio ADCs, DACs, Mixers
Reference Input/Output
Buffered Reference Output
Microphone Bias
Bias Voltage
Bias Current Source
Output Noise Voltage
PARAMETER
PARAMETER
PARAMETER
DNL
INL
CAP2 pin
VREF pin
PSRR
SYMBOL
SYMBOL
SYMBOL
V
I
MICBIAS
MICBIAS
Vn
A
AUX pin not selected as
pin not selected as AUX
A
A
= +25
MCLK = 24.576MHz
MCLK = 24.576MHz
TEST CONDITIONS
TEST CONDITIONS
TEST CONDITIONS
= +25
= +25
(zero settling time)
AUX ADC input
1K to 20kHz
DEL = 1111
ADC input
o
C, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated.
o
o
C, unless otherwise stated.
C, unless otherwise stated.
AGND
AGND
1.63
1.64
2.92
MIN
MIN
MIN
-50
0
0
±0.25
1.65
1.65
2.97
TYP
<10
TYP
<10
TYP
12
50
80
15
PP, Rev 3.2, October 2008
AVDD
AVDD
MAX
MAX
10.9
MAX
1.66
1.67
3.00
+50
±1
±2
±4
±6
48
6
3
WM9714L
nV/√Hz
UNIT
UNIT
UNIT
LSB
LSB
LSB
LSB
kHz
bits
mV
mA
ms
nA
dB
dB
nA
V
V
V
V
V
s
9