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參數資料
| 型號： | TPA2054D4YZKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.94 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA25 |
| 封裝： | 2.61 X 2.61 MM, GREEN, DSBGA-25 |
| 文件頁數： | 26/28頁 |
| 文件大小： | 949K |
| 代理商： | TPA2054D4YZKR |
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TPA2054D4
IN+
IN–
OUT+
OUT–
V
DD
V
DD
GND
C
I
C
I
Measurement
Output
+
–
Load
30kHz
Low-Pass
Filter
Measurement
Input
+
–
1 F
m
www.ti.com ..................................................................................................................................................................................................... SLOS607 – APRIL 2009
OPERATING CHARACTERISTICS (continued)
VDD = 3.6 V, TA = 25°C, RSPEAKER = 8 + 33 H, RHEADPHONES = 16 , Total HP Gain = 6 dB, Total Class-D Gain = 6 dB,
MODE[2:0] = 001 (single-ended mode)(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
200 mVpp ripple, f = 217 Hz, Total gain = 0 dB
-75
dB
kSVR
AC-Power supply rejection ratio
200 mVpp ripple, f = 4 kHz, Total gain = 0 dB
-70
dB
Threshold
155
°C
Thermal shutdown
Hysteresis
35
°C
Output short-circuit protection
2.4
A
fCLK
Class-D switching frequency
250
300
350
kHz
ΔAV
Gain matching
Between left and right channels
0.1
dB
HEADPHONE AMPLIFIER
THD = 1%, VDD = 5.0 V, HP_Vout[2:0] = 000
150
Headphone output power(1)
PO
mW
(Outputs in Phase)
THD = 1%, VDD = 3.0 V, HP_Vout[2:0] = 000
83
THD = 10 %, HP_VOUT[2:0] = 111
0.14
VO
Maximum headphone output voltage
VRMS
THD = 10 %, HP_VOUT[2:0] = 100
0.23
VOS
Offset Voltage
VDD = 5.5 V, Total gain = 0 dB
–3.5
0.5
3.5
mV
Output impedance in shutdown
30
SNR
Signal-to-noise ratio
PO = 50 mW;
90
dB
En
Noise output voltage
Total gain = 0 dB; A-weighted, VDD = 5.0 V
12
V
RMS
PO = 30 mW into 16 , VDD = 3.6 V, f = 1 kHz
0.02
%
THD+N
Total harmonic distortion plus noise(1)
PO = 50 mW into 32 , VDD = 5.0 V, f = 1 kHz
0.01
%
200 mVpp ripple, f = 217 Hz, Total gain = 0 dB
-89
dB
kSVR
AC-Power supply rejection ratio
200 mVpp ripple, f = 4 kHz, Total gain = 0 dB
-83
dB
Output short-circuit protection
200
mA
fOSC
Charge pump switching frequency
300
kHz
ΔAV
Gain matching
Between Left and Right channels
0.1
dB
INPUT SECTION
RIN
Input impedance (differential)
Volume = 24 dB
16
20.9
k
VREF
Reference voltage
VDD = 3.6 V, all active modes
1.65
V
Start-up time from shutdown
8.25
ms
(1)
Per output channel
TEST SET-UP FOR GRAPHS
(1)
All measurements were taken with a 1-
F C
I (unless otherwise noted.)
(2)
A 33-
H inductor was placed in series with the load resistor to emulate a small speaker for efficiency measurements.
(3)
The 30-kHz low-pass filter is required, even if the analyzer has an internal low-pass filter. An RC low-pass filter (1 k
4.7 nF) is used on each output for the data sheet graphs.
Copyright 2009, Texas Instruments Incorporated
7
Product Folder Link(s): TPA2054D4
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| TPA2054D4YZKT | 功能描述:音頻放大器 1.4 W/Ch Stereo Class-D Aud Subsys RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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| TPA2080D1YZGR | 功能描述:音頻放大器 2.2W Const Out Pwr Class-D Audio Amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2080D1YZGT | 功能描述:音頻放大器 2.2W Const Out Pwr Class-D Audio Amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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