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WM9714L 데이터시트(PDF) 9 Page - Wolfson Microelectronics plc

부품명 WM9714L
상세설명  AC 97 Audio CODEC
PDF  94 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9714L 데이터시트(HTML) 9 Page - Wolfson Microelectronics plc

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Pre-Production
WM9714L
w
PP Rev 3.0 June 2006
9
AUXILIARY ADC
Test Conditions
DBVDD = 3.3V, DCVDD = 3.3V, AVDD = 3.3V, TA = +25
oC, unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Pins AUX4, COMP1/AUX1, COMP2/AUX2
Input Voltage
AGND
AVDD
V
Input leakage current
AUX pin not selected as
AUX ADC input
<10
nA
ADC Resolution
12
bits
Differential Non-Linearity Error
DNL
±0.25
±1
LSB
Integral Non-Linearity Error
INL
±2
LSB
Offset Error
±4
LSB
Gain Error
±6
LSB
Power Supply Rejection
PSRR
50
dB
Channel-to-channel isolation
80
dB
Throughput Rate
DEL = 1111
(zero settling time)
48
kHz
Settling Time (programmable)
MCLK = 24.576MHz
0
6
ms
COMPARATORS
Test Conditions
DBVDD = 3.3V, DCVDD = 3.3V, AVDD = 3.3V, TA = +25
oC, unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
COMP1/AUX1 and COMP2/AUX2 (pins 29, 30 – when not used as mic inputs)
Input Voltage
AGND
AVDD
V
Input leakage current
pin not selected as AUX
ADC input
<10
nA
Comparator Input Offset
(COMP1, COMP2 only)
-50
+50
mV
COMP2 delay (COMP2 only)
MCLK = 24.576MHz
0
10.9
s
REFERENCE VOLTAGES
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, TA = +25
oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Audio ADCs, DACs, Mixers
Reference Input/Output
CAP2 pin
1.63
1.65
1.66
V
Buffered Reference Output
VREF pin
1.64
1.65
1.67
V
Microphone Bias
Bias Voltage
VMICBIAS
2.92
2.97
3.00
V
Bias Current Source
IMICBIAS
3
mA
Output Noise Voltage
Vn
1K to 20kHz
15
nV/
√Hz



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