參數(shù)資料
型號(hào): MAX9729ETI+T
廠商: Maxim Integrated Products
文件頁數(shù): 22/28頁
文件大小: 0K
描述: IC AMP AUDIO .052W STER 28TQFN
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: AB 類
輸出類型: 耳機(jī),2-通道(立體聲)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 52mW x 2 @ 32 歐姆
電源電壓: 1.8 V ~ 3.6 V
特點(diǎn): 帶低音增強(qiáng)模式,消除爆音,I²C,輸入多路復(fù)用器,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: 28-TQFN-EP(5x5)
封裝/外殼: 28-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9729
Stereo Headphone Amplifier with BassMax,
Volume Control, and Input Mux
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (3V Supply) (continued)
(VDD = PVDD = SHDN = 3V, PGND = SGND = 0V, C1 = C2 = C3 = 1F, BM_ = 0V, maximum gain setting = 6dB, volume attenuation
setting = -16dB (overall gain = -10dB), BassMax disabled. Load connected between OUT_ and PGND where specified. THD+N
measurement BW = 22Hz to 22kHz. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VDD = 1.8V to 3.6V, overall
gain = 6dB
72
95
f = 217Hz, 100mVP-P
ripple, overall gain = 26dB
90
f = 1kHz, 100mVP-P ripple,
overall gain = 26dB
82
Power-Supply Rejection Ratio
PSRR
(Note 3)
f = 20kHz, 100mVP-P
ripple, overall gain = 26dB
58
dB
RL = 16
Ω
12
49
Output Power
POUT
THD+N = 1%,
fIN = 1kHz, overall
gain = 1.8dB,
TA = +25°C (Note 4)
RL = 32
Ω
21
52
mW
RL = 16
Ω,
POUT = 42mW
0.04
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz, overall
gain = 3.5dB
(Note 4)
RL = 32
Ω,
POUT = 40mW
0.04
%
Register 0x01, B[2:0] = 000
3.5
Register 0x01, B[2:0] = 001
6
Register 0x01, B[2:0] = 010
8
Register 0x01, B[2:0] = 011
10
Register 0x01, B[2:0] = 100
19.5
Register 0x01, B[2:0] = 101
22
Register 0x01, B[2:0] = 110
24
Maximum Gain
AVMAX
Register 0x01, B[2:0] = 111
26
dB
Register 0x01, B[7:5] = 000
10
Register 0x01, B[7:5] = 001
20
Register 0x01, B[7:5] = 010
30
Register 0x01, B[7:5] = 011
40
Register 0x01, B[7:5] = 100
50
Register 0x01, B[7:5] = 101
52
Register 0x01, B[7:5] = 110
54
Beep Input Attenuation
AV_BEEP
Register 0x01, B[7:5] = 111
56
dB
BW = 22Hz to 22kHz
99
Signal-to-Noise Ratio
SNR
RL = 32
Ω,
VOUT = 1VRMS
BW = 22Hz to 22kHz
and A-weighted
101
dB
Slew Rate
SR
0.5
V/s
Capacitive Drive
No sustained oscillations
200
pF
Output Resistance in Shutdown
ROUT_SHDN
V
SHDN = 0V, measured from OUT_ to
SGND
20
k
Ω
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MAX9729EVCMAXQU+ 功能描述:音頻放大器 Evaluation Kit/Evaluation System for the MAX9729 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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