參數(shù)資料
型號(hào): MAX9706ETX+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 21/25頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUDIO 2.3W STER+1 36TQFN
標(biāo)準(zhǔn)包裝: 2,500
系列: DirectDrive®
類型: D 類
輸出類型: 2-通道(立體聲)帶立體聲耳機(jī)和超低音器
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 2.3W x 3 @ 4 歐姆; 95mW x 2 @ 16 歐姆
電源電壓: 4.5 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: 36-TQFN 裸露焊盤(pán)(6x6)
封裝/外殼: 36-WFQFN 裸露焊盤(pán)
包裝: 帶卷 (TR)
MAX9706/MAX9707
3-Channel, 2.3W, Filterless Class D Amplifiers
with Active Crossover
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = HPVDD = 5V, GND = PGND = CPGND = 0V, SHDN = VDD, GAIN1 = GAIN2 = GND (SPKR = +9dB, HP = 0dB), HPS =
GND, FS0 = FS1 = GND (800Hz), MGAIN = float (-6dB), SYNC_IN = VDD (SSM), speaker load RL connected between OUT_+ and
OUT_-, unless otherwise noted, RL =
∞. Headphone load RLH connected between HPR/HPL to GND, RLH = ∞. CBIAS = 1F to GND,
C1 = 1F, C2 = 1F. TA = TMIN to TMAX, unless otherwise noted. Typical values at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL INPUTS (GAIN1, GAIN2, FS0, FS1,
SHDN, SYNC_IN, MGAIN)
Input-Voltage High
VINH
2V
Input-Voltage Low
VINL
0.8
V
Input Leakage Current
GAIN1, GAIN2, FS0, FS1,
SHDN
±1
A
Input Current
SYNC_IN, MGAIN
±50
A
Pullup Impedance
SYNC_IN, MGAIN
200
k
DIGITAL OUTPUT (SYNC_OUT)
Output-Voltage High
VOH
IOH = 1mA
VDD x
0.9
V
Output-Voltage Low
VOL
IOL = 1mA
VDD x
0.1
V
Note 1: All devices are 100% tested at TA = +25°C. Limits over temperature are guaranteed by design.
Note 2: Measured at 2kHz for OUTL_, OUTR_, HPL, and HPR; measured at 100Hz for OUTM_.
Note 3: PSRR is measured with the inputs AC-grounded.
Note 4: Left/right signal-path gain is defined as:
MONO signal-path gain is defined as:
Note 5: MONO gain offset is measured with respect to speaker-path gain.
Note 6: Speaker mode testing performed with an 8
resistive load in series with a 68H inductive load connected across BTL output.
Headphone mode testing performed with a 32
resistive load connected between HP_ and GND. Mode transitions are controlled
by SHDN.
Note 7: Headphone-path gain is defined as:
Note 8: Guaranteed by design only.
V
HP
IN _
VV
OUTM
INL
INR
+
() ()
() + ()
VV
V
OUT
IN
__
_
+
() ()
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