參數(shù)資料
型號(hào): MAX9879ERV+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 28/32頁(yè)
文件大?。?/td> 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(lèi)型: D 類(lèi)
輸出類(lèi)型: 2-通道(立體聲)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: 715mW x 2 @ 8 歐姆; 58mW x 2 @ 16 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,I²C,靜音,短路和熱保護(hù),關(guān)機(jī),音量控制
安裝類(lèi)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
5
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
ΔIN_ = 0
98
ENA = 1 and
ENB = 0 or
ENA = 1 and
ENB = 0
ΔIN_ = 1
98
ΔIN_ = 0
96
Signal-to-Noise Ratio
SNR
A-weighted,
RHP = 16
Ω
ENA = 1 and
ENB = 1
ΔIN_ = 1
96
dB
Slew Rate
SR
0.35
V/s
Capacitive Drive
CL
100
pF
Crosstalk
HPL to HPR, HPR to HPL, f = 20Hz to 20kHz
67
dB
Charge-Pump Frequency
350
±20
kHz
VOLUME CONTROL
Minimum Setting
_VOL = 1
-75
dB
Maximum Setting
_VOL = 31
0
dB
PGAIN_ = 00
0
PGAIN_ = 01
5.5
Input Gain
Input A or B
PGAIN_ = 10
20
dB
Speaker
100
Mute Attenuation
f = 1kHz, _VOL = 0
Headphone
110
dB
Zero-Crossing Detection Time
Out
ZCD = 1
60
ms
ANALOG SWITCH
TA = +25°C
2.4
4
On-Resistance
RON
IRXIN__ = 20mA,
RXIN_ = 0 and VDD,
BYPASS = 1
TA = TMIN to TMAX
5.2
Ω
Series resistance is
10
Ω per switch
0.3
0.25
%
Total Harmonic Distortion + Noise
VDIFRXIN = 2VP-P,
VCMRXIN = VDD/2,
f = 1kHz, BYPASS = 1
No series resistors
0.3
Off-Isolation
BYPASS = 0, RXIN+ and RXIN- to GND =
50
Ω, RSPK = 8Ω, f = 10kHz, referred to
speaker output signal
88
dB
DIGITAL INPUTS (SDA, SCL,
SHDN)
Input Voltage High (SDA, SCL)
VIH
0.7 x
VCCIO
V
Input Voltage Low (SDA, SCL)
VIL
0.3 x
VCCIO
V
Input Hysteresis (SDA, SCL)
VHYS
200
mV
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