MAX9814ETD+T Maxim Integrated Products, MAX9814ETD+T Datasheet - Page 4

IC AMP AUDIO MONO AB MIC 14TDFN

MAX9814ETD+T

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

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
(V
T
4
A
DD
= +25°C, unless otherwise noted.)
0.01
_______________________________________________________________________________________
0.1
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
80
70
60
50
40
30
20
10
10
0
1
= 5V, C
TOTAL HARMONIC DISTORTION PLUS NOISE
2.5
10
10
3.0
GAIN = UNCONNECTED
CT
100
100
vs. SUPPLY VOLTAGE
GAIN vs. FREQUENCY
= 470nF, C
SUPPLY CURRENT
3.5
GAIN = 0
SUPPLY VOLTAGE (V)
vs. FREQUENCY
FREQUENCY (Hz)
FREQUENCY (Hz)
4.0
1k
1k
4.5
GAIN = 1
V
CG
OUT
5.0
= 2.2µF, V
= 800mV
10k
10k
5.5
RMS
100k
100k
6.0
TH
= V
MICBIAS
0.01
-10
-20
-30
-40
-50
-60
-70
-80
0.1
0.5
0.4
0.3
0.2
0.1
10
1
0
0
TOTAL HARMONIC DISTORTION PLUS NOISE
2.5
10
0
POWER-SUPPLY REJECTION RATIO
x 0.4, GAIN = V
3.0
f
IN
100
SHUTDOWN CURRENT
vs. OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
= 10kHz
f
and 3kHz
OUTPUT VOLTAGE (V
IN
3.5
SUPPLY VOLTAGE (V)
vs. FREQUENCY
= 300Hz, 1kHz,
0.5
FREQUENCY (Hz)
4.0
1k
4.5
Typical Operating Characteristics
DD
V
RIPPLE
1.0
RMS
(40dB), AGC disabled, no load, R
5.0
10k
= 200mV
)
5.5
P-P
100k
1.5
6.0
1000
-100
-110
100
-30
-40
-50
-60
-70
-80
-90
2.5
2.0
1.5
1.0
0.5
10
MICBIAS POWER-SUPPLY REJECTION RATIO
0
1
0.01
vs. MICROPHONE BIAS SOURCE CURRENT
10
0
MICROPHONE BIAS VOLTAGE
5
INPUT-REFERRED NOISE
100
0.1
vs. FREQUENCY
vs. FREQUENCY
10
FREQUENCY (kHz)
FREQUENCY (Hz)
L
I
MICBIAS
= 10kΩ, C
1k
15
1
(mA)
MICIN AC-COUPLED
TO GND
V
RIPPLE
20
OUT
10k
= 200mV
10
25
= 1µF,
P-P
100k
100
30

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