参数资料
型号: MAX9789AEVKIT+
厂商: Maxim Integrated Products
文件页数: 22/28页
文件大小: 0K
描述: EVALUATION KIT FOR MAX9789A
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: DirectDrive®
放大器类型: AB 类
输出类型: 2-通道(立体声)带立体声耳机和超低音器
在某负载时最大输出功率 x 通道数量: 2W x 2 @ 4 欧姆; 100mW x 2 @ 16 欧姆
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
板类型: 完全填充
已用 IC / 零件: MAX9789A,MAX9790A
已供物品:
相关产品: MAX9789AETJ+T-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9790AETJ+T-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9790AETJ+-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9789AETJ+-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9789/MAX9790
Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = CPVDD = HPVDD = HP_EN = VLDO_EN (MAX9789 only) = +5V, VGND = VPGND = VCPGND = SPKR_EN = VLDO_SET
(MAX9789 only) = 0V, ILDO_OUT (MAX9789 only) = 0, C1 = C2 = CBIAS = 1F. RL = ∞, unless otherwise specified, VGAIN1 = 0,
VGAIN2 = 5V (AVSP = 10dB, AVHP = 3.5dB), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VDD = 4.5V to 5.5V, TA = +25°C
72
90
f = 1kHz, 200mVP-P (Note 4)
70
Power-Supply Rejection Ratio
PSRR
f = 10kHz, 200mVP-P (Note 4)
50
dB
GAIN1
GAIN2
00
6
01
10
1
0
15.6
Voltage Gain
AV
1
21.6
dB
Measured at speaker amplifier inputs
GAIN1
GAIN2
00
80
01
65
10
45
Input Impedance
RIN
11
25
k
Ω
±1
±15
Output Offset Voltage
VOS
Measured between
OUT_+ and OUT_-,
TA = +25°C
MAX9789C
±1
±25
mV
Into shutdown
-50
Click-and-Pop Level
KCP
RL = 8
Ω, peak voltage,
A-weighted, 32 samples
per second (Notes 3, 4)
Out of shutdown
-50
dBV
A-weighted
102
Signal-to-Noise Ratio
SNR
RL = 8
Ω, POUT = 1W
f = 22Hz to 22kHz
99
dB
Noise
Vn
BW = 22Hz to 22kHz
30
VRMS
Capacitive-Load Drive
CL
No sustained oscillations
200
pF
Crosstalk
L to R, R to L, RL = 8
Ω, FS = 0.707VRMS,
VOUT = 70.7nVRMS, 20kHz AES17,
BW = 20Hz to 20kHz
-70
dB
Slew Rate
SR
1.4
V/s
HEADPHONE AMPLIFIER
RL = 16
Ω
100
Output Power
POUT
THD+N = 1%, f =
1kHz, TA = +25°C
RL = 32
Ω
55
mW
RL = 32
Ω, FS = 0.300VRMS,
VOUT = 210mVRMS, 20kHz AES17,
BW = 20Hz to 20kHz
-77
dB FS
RL = 32
Ω, POUT = 40mW, f = 1kHz
0.02
RL = 16
Ω, POUT = 60mW, f = 1kHz
0.03
%
Total Harmonic Distortion Plus
Noise
THD+N
RL = 10k
Ω, FS = 0.707VRMS,
VOUT = 500mVRMS, 20kHz AES17,
BW = 20Hz to 20kHz
-94
dB FS
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