MAX9814ETD+T Maxim Integrated Products, MAX9814ETD+T Datasheet - Page 10

• Manufacturer Part Number: MAX9814ETD+T
• Description: IC AMP AUDIO MONO AB MIC 14TDFN
• Manufacturer: Maxim Integrated Products
• Type: Class ABr

Specifications of MAX9814ETD+T

• Output Type: 1-Channel (Mono)
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: AGC, Microphone, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN Exposed Pad
• Product: General Purpose Audio Amplifiers
• Thd Plus Noise: 0.04 %
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Current: 3.1 mA
• Maximum Power Dissipation: 1481 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Amplifier Class: AB
• No. Of Channels: 1
• Supply Voltage Range: 2.7V To 5.5V
• Load Impedance: 50ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: TDFN
• No. Of Pins: 14
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Max Output Power X Channels @ Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: MAX9814ETD+T; MAX9814ETD+TTR

Microphone Amplifier with AGC and
Low-Noise Microphone Bias
10
*THE DEVICE HAS BEEN CONFIGURED WITH AN ATTACK TIME OF 1.1ms, 40dB GAIN, AND AN ATTACK-AND-RELEASE RATIO OF 1:500.
______________________________________________________________________________________
R
MICBIAS
2.21kΩ
0.47μF
470nF
2.2μF
C
C
BIAS
C
CG
CT
0.1μF
C
IN
BIAS
MICBIAS
MICIN
CT
CG
LNA
Typical Application Circuit/Functional Diagram
REF
SHDN
GND
V
V
DD
DD
VGA
AGC
C
1μF
BYPASS
MAX9814
MICOUT
GAIN
A/R
TH
V
C
DD
OUT
MICBIAS
R
R
150kΩ
R
100kΩ
1
2
OUT