參數(shù)資料
型號: MAX9879ERV+T
廠商: Maxim Integrated Products
文件頁數(shù): 3/32頁
文件大小: 0K
描述: IC AUDIO SUBSYSTEM 30-UCSP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®
類型: D 類
輸出類型: 2-通道(立體聲)帶立體聲耳機(jī)
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 715mW x 2 @ 8 歐姆; 58mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,I²C,靜音,短路和熱保護(hù),關(guān)機(jī),音量控制
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 30-UCSP(5x6)
封裝/外殼: 30-WFBGA,CSPBGA
包裝: 帶卷 (TR)
MAX9879
Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
11
Maxim Integrated
Typical Operating Characteristics (continued)
(VDD = VPVDDL = VPVDDR = 3.7V, VCCIO = 1.8V, VGND = VPGNDL = VPGNDR = 0. Single-ended inputs, preamp = 0dB, volume con-
trols = 0dB, BYPASS = 0, SHDN = 1. Speaker loads connected between OUT_+ and OUT_-. Headphone loads connected from HPL
or HPR to GND. RSPK = ∞, RHP = ∞. C1 = C2 = CBIAS = 1F. TA = +25°C, unless otherwise noted.)
MAX9879 toc21
2ms/div
SCL
2V/div
OUT+ - OUT-
1V/div
SDA
2V/div
HEADPHONE AMPLIFIERS (Speaker Disabled)
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9879
toc27
OUTPUT POWER (mW)
THD+N
(%)
20
80
40
0.1
1
0.01
10
0.001
060
100
VDD = 3.7V
RL = 16
Ω
fIN = 100Hz
fIN = 1kHz
fIN = 6kHz
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9879
toc28
OUTPUT POWER (mW)
THD+N
(%)
40
30
50
0.1
10
0.01
100
0.001
020
70
10
60
VDD = 3.0V
RL = 32
Ω
fIN = 1kHz
fIN = 6kHz
fIN = 100Hz
TOTAL HARMONIC DISTORTION + NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9879
toc29
OUTPUT POWER (mW)
THD+N
(%)
40
30
50
0.1
10
0.01
100
0.001
020
60
10
VDD = 3.0V
RL = 16
Ω
fIN = 1kHz
fIN = 6kHz
fIN = 100Hz
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9879
toc24
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
0.1
1
0.01
10
0.001
0.01
100
VDD = 3.0V
RL = 32
Ω
OUTPUT POWER = 30mW
OUTPUT POWER = 10mW
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9879
toc25
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
0.1
1
0.01
10
0.001
0.01
100
VDD = 3.0V
RL = 16
Ω
OUTPUT POWER = 7mW
OUTPUT POWER = 22mW
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9879
toc26
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
0.1
1
0.01
10
0.001
0.01
100
VDD = 3.7V
RL = 32
Ω
fIN = 1kHz
fIN = 6kHz
fIN = 100Hz
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE MODE)
MAX9879
toc22
FREQUENCY (kHz)
THD+N
(%)
10
1
0.1
0.01
0.1
1
10
0.001
0.01
100
VDD = 3.7V
RL = 32
Ω
OUTPUT POWER = 20mW
OUTPUT POWER = 45mW
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (HEADPHONE NOISE)
MAX9879
toc23
FREQUENCY (kHz)
THD+N
(%)
1
0.1
10
0.1
1
0.01
10
0.001
0.01
100
VDD = 3.7V
RL = 16
Ω
OUTPUT POWER = 10mW
OUTPUT POWER = 40mW
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