參數(shù)資料
型號(hào): MAX9820ETB+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 7/13頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUD HDPHE 95MW 10TDFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1
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: 95mW x 2 @ 32 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 消除爆音,短路保護(hù)和熱保護(hù),關(guān)閉
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 10-TDFN-EP(3x3)
封裝/外殼: 10-WFDFN 裸露焊盤(pán)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 1392 (CN2011-ZH PDF)
其它名稱: MAX9820ETB+TDKR
MAX9820
DirectDrive Headphone Amplifier
with External Gain
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VDD = 2.7V to 5.5V, TA = +25°C (Note 3)
75
90
f = 1kHz, 200mVP-P (Note 3)
73
Power-Supply Rejection Ratio
PSRR
f = 20kHz, 200mVP-P (Note 3)
55
dB
VDD = 3.6V
45
ZLOAD= 32
+ 1H, f = 1kHz,
THD+N = 1%
VDD = 5.0V
95
VDD = 3.6V
32
Output Power
POUT
ZLOAD= 16
+ 1H, f = 1kHz,
THD+N = 1%
VDD = 5.0V
75
mW
ZLOAD = 16
+ 1H, f = 1kHz, POUT = 20mW
0.014
ZLOAD = 32
+ 1H, f = 1kHz, POUT = 20mW
0.005
Total Harmonic Distortion
Plus Noise
THD+N
ZLOAD = 10k
, f = 1kHz, VOUT = 1VRMS
0.001
%
Signal-to-Noise Ratio
SNR
ZLOAD = 32
+ 1H, POUT = 25mW, A-weighted
105
dB
Output Noise
VNOISE
A-weighted (Note 3)
9
V
ZLOAD = 32
+ 1H
FS = 0.300VRMS,
VOUT = 30mVRMS
73
Crosstalk
L to R, R to L,
BW = 20Hz to 15kHz
ZLOAD = 10k
FS = 0.707VRMS,
VOUT = 70.7mVRMS
73
dB
Capacitive Load Drive
CL
No sustained oscillations
200
pF
Oscillator Frequency
fOSC
TA = +25°C
300
500
800
kHz
Thermal Shutdown
145
°C
Thermal Shutdown Hysteresis
15
°C
DIGITAL INPUT (
SHDN)
Input Voltage High
VINH
1.2
V
Input Voltage Low
VINL
0.3
V
Input Leakage Current
ILEAKAGE
TA = +25°C
±1
A
ELECTRICAL CHARACTERISTICS (continued)
(VDD = VSHDN = 5V, VGND = 0V, RIN = RFB = 40.2k (gain = -1V/V), C1 = C2 = 1F, C3 = 10F, RLOAD =
∞, TA = -40°C to +85°C,
unless otherwise noted. Typical values are at TA = +25°C, unless otherwise noted.) (Note 2)
Note 2: All specifications are 100% tested at TA = +25°C; temperature limits are guaranteed by design.
Note 3: The amplifier inputs are AC-coupled to GND.
Note 4: Mode transitions are controlled by SHDN.
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