MAX9719DETE+ Maxim Integrated Products, MAX9719DETE+ Datasheet - Page 7
![IC AMP AUDIO PWR 1.4W AB 16TQFN](/photos/6/66/66625/16-tqfn_exp_pad_21-0136_sml.jpg)
MAX9719DETE+
Manufacturer Part Number
MAX9719DETE+
Description
IC AMP AUDIO PWR 1.4W AB 16TQFN
Manufacturer
Maxim Integrated Products
Type
Class ABr
Datasheet
1.MAX9718AETBT.pdf
(27 pages)
Specifications of MAX9719DETE+
Output Type
2-Channel (Stereo)
Max Output Power X Channels @ Load
1.4W x 2 @ 4 Ohm
Voltage - Supply
2.7 V ~ 5.5 V
Features
Depop, Differential Inputs, Shutdown, Thermal Protection
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
(V
CC
600
500
400
300
200
100
700
600
500
400
300
200
100
0
0
= 5V, C
1
0
V
f = 1kHz
A
V
R
f = 1kHz
A
CC
V
CC
L
V
= 4Ω
= 2
= 2
100
= 3V
= 3V
BIAS
vs. LOAD RESISTANCE
POWER DISSIPATION
vs. OUTPUT POWER
200
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
OUTPUT POWER
THD+N = 1%
= 0.1μF, THD+N measurement bandwidth = 22Hz to 22kHz, T
1.4W Differential Audio Power Amplifiers
300
_______________________________________________________________________________________
10
THD+N = 10%
-100
400
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
10
500
V
R
C
POWER-SUPPLY REJECTION RATIO
RIPPLE
L
BIAS
= 8Ω
600
= 1μF
= 200mV
100
V
CC
100
700
vs. FREQUENCY
FREQUENCY (Hz)
= 5V
P-P
1k
Typical Operating Characteristics (continued)
350
300
250
200
150
100
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
0
0
V
CC
0
0
10k
= 3V
V
R
f = 1kHz
A
V
R
f = 1kHz
A
CC
L
V
CC
L
V
= 4Ω
= 8Ω
= 2
= 2
= 5V
= 3V
0.3
100
POWER DISSIPATION
POWER DISSIPATION
100k
vs. OUTPUT POWER
vs. OUTPUT POWER
OUTPUT POWER (mW)
OUTPUT POWER (W)
0.6
200
Low-Cost, Mono/Stereo,
0.9
300
1.2
400
1.5
A
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
= +25°C, unless otherwise noted.)
0
10
500
1.8
V
R
C
COMMON-MODE REJECTION RATIO
RIPPLE
L
BIAS
= 8Ω
= 1μF
= 200mV
V
V
100
CC
CC
-120
-150
150
120
-30
-60
-90
1.0
0.8
0.6
0.4
0.2
90
60
30
= 5V
= 3V
vs. FREQUENCY
0
0
FREQUENCY (Hz)
10
P-P
0
A
V
R
f = 1kHz
A
V
CC
L
V
1k
= 60dB
= 8Ω
= 2
0.2
= 5V
100
POWER DISSIPATION
vs. OUTPUT POWER
0.4
GAIN AND PHASE
OUTPUT POWER (W)
vs. FREQUENCY
10k
FREQUENCY (Hz)
0.6
1k
0.8
100k
1.0
10k
1.2
100k
1.4
7