參數(shù)資料
型號(hào): MAX9729ETI+T
廠商: Maxim Integrated Products
文件頁數(shù): 23/28頁
文件大?。?/td> 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
4
_______________________________________________________________________________________
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
Into shutdown
81
Click-and-Pop Level
KCP
Peak voltage, A-
weighted, 32 samples
per second
(Notes 3 and 5)
Out of shutdown
80
dBV
Charge-Pump Switching Frequency
fCP
505
600
730
kHz
Crosstalk
L to R, or R to L, f = 10kHz, VOUT =
1VRMS, RL = 32
Ω, both channels loaded
78
dB
DIGITAL INPUTS (
SHDN, SDA, SCL, BEEP_EN)
Input High Voltage
VIH
1.4
V
Input Low Voltage
VIL
0.4
V
Input Leakage Current
-1
+1
A
DIGITAL OUTPUTS (SDA)
Output Low Voltage
VOL
IOL = 3mA
0.4
V
Output High Current
IOH
VSDA = VDD
1A
ELECTRICAL CHARACTERISTICS (2.4V Supply)
(VDD = PVDD = SHDN = 2.4V, 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
Quiescent Current
IDD
No load (Note 3)
4.5
mA
Shutdown Current
ISHDN
V
SHDN = 0V
4
A
RL = 16
Ω
32
Output Power
POUT
THD+N = 1%,
fIN = 1kHz, overall
gain = 3.5dB,
TA = +25°C
(Note 4)
RL = 32
Ω
32
mW
RL = 16
Ω,
POUT = 23mW
0.03
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz, overall
gain = 3.5dB
(Note 4)
RL = 32
Ω,
POUT = 23mW
0.03
%
f = 217Hz
90
f = 1kHz
85
Power-Supply Rejection Ratio
PSRR
100mVP-P ripple
(Note 3)
f = 10kHz
61
dB
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