(V
參數(shù)資料
型號: MAX97001EWP+T
廠商: Maxim Integrated Products
文件頁數(shù): 35/37頁
文件大?。?/td> 0K
描述: IC AUDIO SUBSYSTEM 20WLP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1
系列: DirectDrive®
類型: D 類
輸出類型: 1-通道(單聲道),帶立體聲耳機
在某負載時最大輸出功率 x 通道數(shù)量: 920mW x 1 @ 8 歐姆; 37mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點: 消除爆音,差分輸入,I²C,靜音,關(guān)閉,音量控制
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 20-WLP
封裝/外殼: 20-WFBGA,WLBGA
包裝: 標準包裝
其它名稱: MAX97001EWP+TDKR
Audio Subsystem with Mono Class D Speaker
and Class H Headphone Amplifiers
MAX97001
7
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 1.8V, VPVDD = 3.7V, VGND = 0V. Input signal applied at INA configured single-ended, preamp gain = 0dB, HPLVOL =
HPRVOL = SPKVOL = 0dB, speaker loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from
HPL or HPR to GND. SDA and SCL pullup voltage = 1.8V. ZSPK = J, RHP = J. CC1P-C1N = CHPVDD = CHPVSS = CBIAS = 1FF.
TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25NC.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAx
UNITS
Efficiency
E
POUT = 600mW, f = 1kHz
87
%
Output Noise
A-weighted, (SPKMIX = 0x01), IN_DIFF = 1,
SPKVOL = -30dB
37
F
VRMS
CHARGE PUMP
Charge-Pump Frequency
VHPL = VHPR = 0V, TA = +25NC
80
83
85
kHz
VHPL = VHPR = 0.2V
665
VHPL = VHPR = 0.5V
500
Positive Output Voltage
VHPVDD
VHPL, VHPR > VTH
VDD
V
VHPL, VHPR < VTH
VDD/2
Negative Output Voltage
VHPVSS
VHPL, VHPR > VTH
-VDD
V
VHPL, VHPR < VTH
-VDD/2
Headphone Output Voltage
Threshold
VTH1
Output voltage at which the charge pump
switches between fast and slow clock
Q
VDD
x 0.05
Q
VDD
x 0.08
Q
VDD
x 0.13
V
VTH2
Output voltage at which the charge pump
switches modes, VOUT rising or falling
Q
VDD
x 0.21
Q
VDD
x 0.25
Q
VDD
x 0.3
Mode Transition Timeouts
Time it takes for the charge pump to
transition from Invert to split mode
32
ms
Time it takes for the charge pump to
transition from split to invert mode
20
F
s
HEADPHONE AMPLIFIERS
Output Offset Voltage
VOS
TA = +25NC, volume at mute
Q
0.15
Q
0.6
mV
TA = +25NC, HP_MIX = 0x1, IN_DIFF = 0
Q
0.5
Click-and-Pop Level
KCP
Peak voltage, TA = +25NC,
A-weighted, 32 samples
per second, volume at
mute (Note 2)
Into shutdown
-74
dBV
Out of
shutdown
-74
Power-Supply Rejection
Ratio (Note 2)
PSRR
TA = +25NC
VDD = 1.62V
to 1.98V
70
85
dB
f = 217Hz,
VRIPPLE =
200mVP-P
84
f = 1kHz,
VRIPPLE =
200mVP-P
80
f = 20kHz,
VRIPPLE =
200mVP-P
69
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