參數(shù)資料
型號: MAX9879ERV+T
廠商: Maxim Integrated Products
文件頁數(shù): 29/32頁
文件大小: 0K
描述: IC AUDIO SUBSYSTEM 30-UCSP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
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
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 715mW x 2 @ 8 歐姆; 58mW 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,短路和熱保護,關(guān)機,音量控制
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 30-UCSP(5x6)
封裝/外殼: 30-WFBGA,CSPBGA
包裝: 帶卷 (TR)
MAX9879
Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
6
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(VDD = VPVDDL = VPVDDR = 3.7V, VCCIO = 1.8V, VGND = VPGNDL = VPGNDR = 0. Single-ended inputs, preamp = 0, volume controls =
0dB, BYPASS = 0, SHDN = 1. Speaker loads connected between OUT_+ and OUT_-. Headphone loads connected from HPL or HPR to
GND. RSPK = ∞, RHP = ∞. C1 = C2 = CBIAS = 1F. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
(Notes 3, 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage High (SHDN)
VIH
1.4
V
Input Voltage Low (SHDN)
VIL
0.4
V
Input Hysteresis (SHDN)
VHYS
100
mV
SDA, SCL, SHDN Input
Capacitance
CIN
10
pF
Input Leakage Current
IIN
SDA, SCL, SHDN, TA = +25°C
±1.0
A
Input Leakage Current
IIN
VCCIO = 0, TA = +25°C
±1.0
A
DIGITAL OUTPUTS (SDA open drain)
Output Low-Voltage SDA
VOL
ISINK = 3mA
0.4
V
Output High-Voltage SDA
VOH
ISINK = 3mA
VCCIO -
0.4
V
Output Fall Time SDA
tOF
VH(MIN) to VL(MAX) bus capacitance
= 10pF to 400pF, ISINK = 3mA
250
ns
2-WIRE INTERFACE TIMING
External Pullup Voltage Range
(SDA and SCL)
1.7
3.6
V
Serial-Clock Frequency
fSCL
DC
400
kHz
Bus Free Time Between STOP
and START Conditions
tBUF
1.3
s
START Condition Hold
tHD:STA
0.6
s
START Condition Setup Time
tSU:STA
0.6
s
Clock Low Period
tLOW
1.3
s
Clock High Period
tHIGH
0.6
s
Data Setup Time
tSU:DAT
100
ns
Data Hold Time
tHD:DAT
0
900
ns
SCL/SDA Receiving Rise Time
tR
(Note 6)
20 +
0.1 x CB
300
ns
SCL/SDA Receiving Fall Time
tF
20 +
0.1 x CB
300
ns
VCCIO =1.8V (Note 6)
20 +
0.1 x CB
250
SDA Transmitting Fall Time
tF
VCCIO = 3.6V (Note 6)
20 +
0.05 x CB
250
ns
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