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PDF ( 数据手册 , 数据表 ) TS4984FC

零件编号 TS4984FC
描述 1.2W Stereo Audio Power Amplifier with Active Low Standby Mode
制造商 STMicroelectronics
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TS4984FC 数据手册, 描述, 功能
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TS4984FC
1.2W Stereo Audio Power Amplifier with
Active Low Standby Mode
Operating from VCC = 2.2V to 5.5V
1.2W output power per channel @ VCC = 5V,
THD+N = 1%, RL = 8
10nA standby current
62dB PSRR @ 217Hz with grounded inputs
High SNR: 106dB(A) typ.
Near-zero pop & click
Available in a 15-bump flip-chip (lead-free)
Description
The TS4984 has been designed for top-class
stereo audio applications. Thanks to its compact
and power dissipation efficient flip-chip package, it
suits various applications.
With a output BTL configuration, this audio power
amplifier is capable of delivering 1.2W per
channel of continuous RMS output power into an
8load @ 5V.
An externally-controlled standby mode reduces
the supply current to less than 10nA per channel.
The device also features an internal thermal
shutdown protection.
The gain of each channel can be configured by
external gain setting resistors.
TS4984 - flip-chip 15 bumps
Pin connections (top view)
VCC
VCC
BYPASS
IN2+
IN2-
VOUT1-
VOUT1+
STDBY
VOUT2+
VOUT2-
IN1+
GND
IN1-
BYPASS
GND
Applications
Cellular mobile phones
Notebook & PDA computers
LCD monitors & TVs
Portable audio devices
Order Codes
Part Number
TS4984EIJT
TS4984EIKJT
Temperature Range
-40, +85°C
Package
Lead free flip-chip
Lead free flip-chip +
back coating
Packing
Tape & Reel
Marking
A84
November 2005
Rev 2
1/30
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30







TS4984FC pdf, 数据表
Electrical Characteristics
Figure 2. Open loop frequency response
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Figure 3. Open loop frequency response
60
40
20 Phase
Gain
0
-20
Vcc = 5V
-40 RL = 8
Tamb = 25°C
-60
0.1
1
10 100
Frequency (kHz)
1000
0
-40
-80
-120
-160
-200
10000
100
80 Gain
60
40
Phase
20
0
Vcc = 5V
-20 CL = 560pF
Tamb = 25°C
-40
0.1
1
10 100
Frequency (kHz)
1000
0
-40
-80
-120
-160
-200
10000
Figure 4. Open loop frequency response
Figure 5. Open loop frequency response
60
Gain
40
20 Phase
0
-20
-40 Vcc = 3.3V
RL = 8
Tamb = 25°C
-60
0.1
1
10 100
Frequency (kHz)
1000
0
-40
-80
-120
-160
-200
10000
100
80 Gain
60
40
Phase
20
0
Vcc = 3.3V
-20 CL = 560pF
Tamb = 25°C
-40
0.1
1
10 100
Frequency (kHz)
1000
0
-40
-80
-120
-160
-200
10000
Figure 6. Open loop frequency response
Figure 7. Open loop frequency response
60
Gain
40
20 Phase
0
-20
-40 Vcc = 2.6V
RL = 8
Tamb = 25°C
-60
0.1
1
10 100
Frequency (kHz)
1000
0
-40
-80
-120
-160
-200
10000
100
80 Gain
60
40
Phase
20
0
Vcc = 2.6V
-20 CL = 560pF
Tamb = 25°C
-40
0.1
1
10 100
Frequency (kHz)
1000
0
-40
-80
-120
-160
-200
10000
8/30







TS4984FC equivalent, schematic
Electrical Characteristics
Figure 50. THD + N vs. frequency
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Figure 51. THD + N vs. frequency
Figure 52. THD + N vs. frequency
Figure 54. Crosstalk vs. frequency
0
Vcc = 3.3V
−20 Pout = 400mW
RL = 8
−40 Av = 2
BW < 125kHz
−60 Tamb = 25°C
−80 OUT2 to OUT1
OUT1 to OUT2
−100
−120
−140
100 1000
Frequency (H z)
10000
Figure 53. Crosstalk vs. frequency
0
Vcc = 2.6V
−20 Pout = 200mW
RL = 8
−40 Av = 2
BW < 125kHz
−60 Tamb = 25°C
−80 OUT2 to OUT1
OUT1 to OUT2
−100
−120
−140
100 1000
Frequency (H z)
10000
Figure 55. Crosstalk vs. frequency
0
Vcc = 5V
−20 Pout = 1W
RL = 8
−40 Av = 2
BW < 125kHz
−60 Tamb = 25°C
−80 OUT2 to OUT1
OUT1 to OUT2
−100
−120
−140
100 1000
Frequency (H z)
10000
16/30










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