參數(shù)資料
型號(hào)： TS4975
廠(chǎng)商： 意法半導(dǎo)體
英文描述： Stereo Headphone Drive Amplifier with Digital Volume Control via IC Bus
中文描述： 立體聲耳機(jī)驅(qū)動(dòng)集成電路放大器通過(guò)總線(xiàn)與數(shù)字音量控制
文件頁(yè)數(shù)： 6/33頁(yè)
文件大?。?/td> 747K
代理商： TS4975
Electrical Characteristics
TS4975
6/33
Table 6.
V
CC
= +3.3V, GND = 0V, T
amb
= 25°C (unless otherwise specified)
Parameter
Symbol
Min.
Typ.
Max.
Unit
I
CC
Supply Current
No input signal, no load, Single Ended, Mode 1-4
No input signal, no load, Single Ended, Mode 5-8
No input signal, no load, Phantom Ground, Mode 1-4
No input signal, no load, Phantom Ground, Mode 5-8
Standby Current (SCL and SDA at VCC level)
No input signal
Output Offset Voltage
No input signal, RL = 32
,
Phantom Ground
Output Power
THD+N = 1% Max, f = 1kHz, RL = 16
, Single Ended
THD+N = 1% Max, f = 1kHz, RL = 32
, Single Ended
THD+N = 1% Max, f = 1kHz, RL = 16
, Phantom Ground
THD+N = 1% Max, f = 1kHz, RL = 32
, Phantom Ground
Total Harmonic Distortion + Noise, Av = 2dB
RL=32
,
Po=20 mW,
20Hz < F < 20kHz, Single Ended
RL=16
,
Po=30 mW, 20Hz < F < 20kHz, Single Ended
RL=32
,
Po=20 mW,
20Hz < F < 20kHz, Phantom Ground
RL=16
,
Po=30 mW, 20Hz < F < 20kHz, Phantom Ground
Power Supply Rejection Ratio
(1)
F = 217Hz, RL = 16
,
Av = 2 dB
Vripple = 200mVpp, Input Grounded, Cb = 1μF,
Single Ended
Output referenced to Phantom Ground
F = 217Hz, RL = 16
,
Av = 2 dB
Vripple = 200mVpp, Input Grounded, Cb = 1μF,
Single Ended
Output referenced to Ground
Channel Separation, RL = 32
,
Av = 2 dB with Single Ended
F = 1kHZ, Po=20mW
F = 20Hz to 20kHz, Po=20mW
Channel Separation, RL = 32
,
Av = 2 dB with Phantom Ground
F = 1kHZ, Po=20mW
F = 20Hz to 20kHz, Po=20mW
Signal To Noise Ratio, A-Weighted, Av=2dB, RL=32
,
Po=25mW
Single Ended
Phantom Ground
Output Noise voltage, A-Weighted, Av=2dB
Single Ended
Phantom Ground
Digital Gain Range In1 & In2 to Out1 & Out2
Digital Gain Stepsize
Gain error tolerance
In1 & In2 Input Impedance, All Gain setting
Wake up time, Cb=1μF
Standby time
3
2
4.6
3.6
4.2
2.8
6.5
5.3
mA
I
STANDBY
0.6
2
μA
Voo
5
50
mV
Po
34
24
34
24
40
26
40
26
mW
THD + N
0.3
0.3
0.3
0.3
%
PSRR
61
61
dB
Crosstalk
103
75
69
69
dB
SNR
90
90
dB
Noise
23
23
μVrms
G
-34
+18
dB
dB
dB
k
ms
μs
4
-1
+1
34.5
156
Zin
Twu
Tws
25.5
30
90
1
1.
Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to Vcc @ F = 217Hz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TS4975_05 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Stereo Headphone Drive Amplifier with Digital Volume Control via I2C Bus
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TS4982IQT 功能描述:音頻放大器 2W Stereo Audio Amp 125 mW 16 ohm 3 lvl RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TS4984 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:2 x 1W Stereo audio power amplifier with active low standby mode
TS4984EIJT 功能描述:音頻放大器 2x1.2W stereo audio RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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