參數(shù)資料
型號(hào)： MAX9770ETI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 音頻／視頻放大
英文描述： 1.2W Low-EMI, Filterless, Mono Class D Amplifier with Stereo DirectDrive Headphone Amplifiers
中文描述： 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC28
封裝： 5 X 5 MM, 0.80 MM HEIGHT, QFN-28
文件頁(yè)數(shù)： 2/24頁(yè)
文件大?。?/td> 493K
代理商： MAX9770ETI
M
1.2W Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
GND to PGND to CPGND......................................-0.3V to +0.3V
V
DD
to PV
DD
to CPV
DD
..........................................-0.3V to +0.3V
V
DD
to GND..............................................................................6V
PV
DD
to PGND .........................................................................6V
CPV
DD
to CPGND ....................................................................6V
CPV
SS
to CPGND....................................................................-6V
SV
SS
to GND...........................................................................-6V
C1N..........................................(PV
SS
- 0.3V) to (CPGND + 0.3V)
HPOUT_ to GND ....................................................................
±
3V
All other pins to GND..................................-0.3V to (V
DD
+ 0.3V)
Continuous Current Into/Out of:
PV
DD
, PGND, OUT_......................................................600mA
PV
SS
..............................................................................260mA
ELECTRICAL CHARACTERISTICS
(V
DD
= PV
DD
= CPV
DD
= 3.3V, GND = PGND = CPGND = 0V,
SHDN
= 3.3V, C1 = C2 = 1μF, C
BIAS
= 0.047μF, SYNC = GND, R
L
=
∞
,
speaker load connected between OUT+ and OUT-, headphone load connected between HPOUT_ and GND, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25°C.) (Notes 1, 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Duration of HPOUT_ Short Circuit to V
DD
, PV
DD
,
GND, PGND ...........................................................Continuous
Duration of Short Circuit between
HPOUTL and HPOUTR ..........................................Continuous
Duration of OUT_ Short Circuit to V
DD
, PV
DD
, GND, PGND ..10s
Duration of Short Circuit Between OUT+ and OUT-...............10s
Continuous Power Dissipation (T
A
= +70°C)
28-Pin TQFN (derate 20.8mW/°C above +70°C) .......1667mW
28-Pin TSSOP (derate 12.8mW°C above +70°C) ......1026mW
J unction Temperature......................................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Supply Voltage Range
V
DD
Inferred from PSRR test
2.5
5.5
10
7.5
10
V
Headphone mode
Speaker mode
5.5
5.2
0.1
50
10
20
1.25
Quiescent Supply Current
I
DD
No load
mA
Shutdown Supply Current
Shutdown to Full Operation
I
SHDN
t
ON
SHDN
= HPS = GND
μA
ms
MONO
INL_, INR_
7
14
1.1
Input Impedance
R
IN
(Note 3)
k
Bias Voltage
V
BIAS
1.4
V
Feedthrough
From any unselected input to any output,
f = 10kHz
70
dB
SPEAKER AMPLIFIER (GAIN1 = GAIN2 = V
DD
, HPS = GND)
Output Offset Voltage
V
OS
±
15
70
70
68
50
550
900
±
70
mV
V
DD
= 2.5V to 5.5V
V
RIPPLE
= 200mV
P-P
, f = 217Hz
V
RIPPLE
= 200mV
P-P
, f = 1kHz
V
RIPPLE
= 200mV
P-P
, f = 20kHz
50
Power-Supply Rejection Ratio
PSRR
(Note 4)
dB
R
L
= 8
R
L
= 4
V
DD
= 3.3V
Output Power
P
OUT
f = 1kHz,
THD+N = 1%,
GAIN1 = 1,
GAIN2 = 0
V
DD
= 5V
R
L
= 8
1200
mW
R
L
= 8
, P
OUT
= 300mW, f = 1kHz
R
L
= 4
, P
OUT
= 300mW, f = 1kHz
0.025
0.03
Total Harmonic Distortion Plus
Noise
THD+N
%
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9770ETI+ 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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
MAX9770ETI+T 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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
MAX9770EUI 制造商:Rochester Electronics LLC 功能描述:
MAX9770EUI+ 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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
MAX9770EUI+T 功能描述:音頻放大器 1.2W Low-EMI Class D Amplifier 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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