參數(shù)資料
型號(hào): MAX9766ETJ+T
廠商: Maxim Integrated Products
文件頁數(shù): 29/33頁
文件大?。?/td> 0K
描述: IC AMP AUDIO .75W MONO AB 32TQFN
標(biāo)準(zhǔn)包裝: 2,500
類型: AB 類
輸出類型: 1-通道(單聲道),帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 750mW x 1 @ 4 歐姆; 65mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 消除爆音,I²C,輸入多路復(fù)用器,麥克風(fēng),靜音,短路和熱保護(hù),關(guān)機(jī)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 32-TQFN-EP(5x5)
封裝/外殼: 32-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9765/MAX9766/MAX9767
750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = 3.0V, GND = 0, HPS = MUTE = GND, SHDN = 3V, CBIAS = 1F, RIN = RF = 15k, RL = ∞. TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
HEADPHONE SENSE INPUT (HPS)
Input Voltage High
VIH
0.9 x
VDD
V
Input Voltage Low
VIL
0.7 x
VDD
V
Input Leakage Current
IIN
±1A
2-WIRE SERIAL INTERFACE (SCL, SDA, ADD) (MAX9765/MAX9766)
VDD > 3.6V
3
Input Voltage High
VIH
VDD ≤ 3.6V
2
V
Input Voltage Low
VIL
0.8
V
Input Hysteresis
0.2
V
Input High Leakage Current
IIH
VIN = 3V
±1A
Input Low Leakage Current
IIL
VIN = 0V
±1A
Input Capacitance
CIN
10
pF
Output Voltage Low
VOL
IOL = 3mA
0.4
V
Output Current High
IOH
VOH = 3V
1
A
TIMING CHARACTERISTICS (MAX9765/MAX9766)
Serial Clock Frequency
fSCL
400
kHz
Bus Free Time Between STOP
and START Conditions
tBUF
1.3
s
START Condition Hold Time
tHD:STA
0.6
s
START Condition Setup Time
tSU:STA
0.6
s
Clock Period Low
tLOW
1.3
s
Clock Period High
tHIGH
0.6
s
Data Setup Time
tSU:DAT
100
ns
Data Hold Time
tHD:DAT
(Note 3)
0
0.9
s
Receive SCL/SDA Rise Time
tR
(Note 4)
20 +
0.1CB
300
ns
Receive SCL/SDA Fall Time
tF
(Note 4)
20 +
0.1CB
300
ns
Transmit SDA Fall Time
tF
(Note 4)
20 +
0.1CB
250
ns
Pulse Width of Suppressed Spike
tSP
(Note 5)
50
ns
Note 1: All devices are 100% production tested at +25°C. All temperature limits are guaranteed by design.
Note 2: POUT limits are tested by a combination of electrical and guaranteed by design.
Note 3: A device must provide a hold time of at least 300ns for the SDA signal to bridge the undefined region of SCL’s falling edge.
Note 4: CB = total capacitance of one of the bus lines in picofarads. Device tested with CB = 400pF. 1k pullup resistors connected
from SDA/SCL to VDD.
Note 5: Input filters on SDA, SCL, and ADD suppress noise spikes less than 50ns.
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