WM8900LGEFK/RV Wolfson Microelectronics, WM8900LGEFK/RV Datasheet - Page 9

• Manufacturer Part Number: WM8900LGEFK/RV
• Description: Audio CODECs Ultra Low Power Hi-Fi CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8900LGEFK/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
Test Conditions
DCVDD=1.8V, DBVDD=1.8V, DGND=AGND=CPGND=HPGND=0V, AVDD=CPVDDHI=2.4V, CPVDDLO=1.8V; T
1kHz signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
Input resistance
(Note that input boost and
bypass path resistances will be
seen in parallel with PGA input
resistance when these paths
are enabled)
Input capacitance
MIC Programmable Gain Amplifier (PGA)
Programmable Gain
Programmable Gain Step Size
Mute Attenuation
Selectable Input Gain Boost
Gain Boost Steps
w
SYMBOL
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
INPUT2,
INPUT2,
INPUT2,
INPUT2,
INPUT1
INPUT1
INPUT1
INPUT3
INPUT3
INPUT3
INPUT3
INPUT3
INPUT3
AUX
AUX
AUX
AUX
AUX
AUX
Input from L/RINPUT2 or
ended MIC configuration
ended MIC configuration
ended MIC configuration
L/RINPUT2/3 to bypass
L/RINPUT2/3 to bypass
Guaranteed monotonic
(Constant for all gains)
L/RINPUT2/3 to boost
L/RINPUT2/3 to boost
L/RINPUT2/3 to boost
Differential or single-
Differential or single-
Differential or single-
TEST CONDITIONS
+19dB PGA gain
Max bypass gain
-12dB PGA gain
Min bypass gain
Differential MIC
Input from PGA
Max boost gain
Max boost gain
Max boost gain
0dB boost gain
0dB boost gain
AUX to bypass
0dB boost gain
AUX to bypass
AUX to bypass
Min boost gain
Min boost gain
Min boost gain
0dB PGA gain
AUX to boost
AUX to boost
AUX to boost
configuration
L/RINPUT3
-12
MIN
-12, -6, 0, 6,
29, MUTE
0, 13, 20,
11.41
63.65
8.61
34.3
5.75
MUTE
112
7.5
4.4
10
16
20
15
60
10
10
TYP
100
2
1
PD, August 2008, Rev 4.0
+19
MAX
WM8900
A
= +25
UNIT
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
dB
dB
dB
dB
dB
pF
o
C,
9