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参数资料
| 型号： | MAX9879ERV+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 音频控制 |
| 英文描述： | Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier; Package: UCSP (R);30 pin;6 mm² ; Temperature: -40°C to +85°C |
| 中文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA30 |
| 封装： | 2.50 X 3 MM, 0.50 MM PITCH, ROHS COMPLAINT, UCSP-30 |
| 文件页数： | 27/31页 |
| 文件大小： | 539K |
| 代理商： | MAX9879ERV+ |
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MAX9879
Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
_______________________________________________________________________________________
5
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9879ERV+T | 功能描述:音频放大器 Audio Subsystem w/DirectDrive RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX9879EVKIT+ | 功能描述:音频放大器 Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX987ESA | 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX987ESA+ | 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX987ESA+T | 功能描述:校验器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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