Datasheet

1
8
9
16
1724
25
32
M2_UNP
NC
SDA
CAL
GB1
SCL
ADR
GA0
GND
MIC2+
EN
M1_UNP
REF
MIC1-
MIC1+
MIC2-
I2CVDD
LPF+
GND
GA1
OUT-
OUT+
VDD
LPF-
NC
NC
GND
T5
PE
GB0
T7
MIC BIAS
LMV1089
SNAS441H –SEPTEMBER 2008–REVISED MAY 2010 www.ti.com
Figure 5. 32 Lead LQFP package
Figure 6. LQFP Package View
Bottom View
Pin Descriptions
Bump Number Pin Name Pin Function Pin Type
A1 NC No connect No Connect
Auxiliary Control Manual Calibration = V
DD
A2 T7 Digital Input
Auto Calibration = GND
A3 PE Program Enable EEPROM Digital Input
A4 MIC2– microphone 2 negative input Analog Input
A5 MIC2+ microphone 2 positive input Analog Input
A6 Mic Bias Microphone Bias Analog Output
B1 NC No Connect No Connect
B2 NC No Connect No Connect
B3 T5 Float (do not connect to GND) Production Test
B4 GND amplifier ground Ground
B5 M1_UNP microphone 1 unprocessed output Analog Output
B6 MIC1+ microphone 1 positive input Analog Input
C1 NC No Connect No Connect
C2 NC No Connect No Connect
C3 GB0 default Post Amp Gain 0 Digital Input
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