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參數(shù)資料
| 型號： | MPZ2012S101A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.7-W CONSTANT OUTPUT POWER CLASS-D AUDIO AMPLIFIER WITH INTEGRATED BOOST CONVERTER |
| 中文描述： | 2.7鎢恒定輸出功率D類音頻放大器，具有集成升壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 22/28頁 |
| 文件大?。?/td> | 753K |
| 代理商： | MPZ2012S101A |
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PWM
and
Level
Shifter
H-Bridge
Internal
Oscillator
Biases, Control,
and
References
Regulator
V
max
Control
Gate
Control
Anti-
Ringing
PGND
AGND
BGControl
PGND
AGND
V
OUT
CC
Vref
AGND
IN+
IN–
SDb
V
DD
SW
V
OUT
CC
V
FB
CC
V
IN
CC
VOUT+
VOUT–
PGND
SDd
Res.
Array
GAIN
TPA2013D1
SLOS520 – AUGUST 2007
Functional Block Diagram
Table 1. BOOST CONVERTER MODE CONDITION
CASE
OUTPUT CURRENT
MODE OF OPERATION
VDD < VCC
Low
Continuous (fixed frequency)
VDD < VCC
High
Continuous (fixed frequency)
VDD ≥ VCC
Low
Discontinuous (variable frequency)
VDD ≥ VCC
High
Discontinuous (variable frequency)
Table 2. DEVICE CONFIGURATION
Boost
Class D
SDb
SDd
Comments
Converter
Amplifier
low
OFF
Device is in shutdown mode Iq
≤ 1 μA
Boost converter is off. Class-D Audio Power Amplifier (APA) can be driven by an
low
high
OFF
ON
external pass transistor connected to the battery.
high
low
ON
OFF
Class-D APA is off. Boost Converter is on and can be used to drive an external device.
Boost converter and Class-D APA are on. Normal operation. Boost converter can be
high
ON
used to drive an external device in parallel to the Class-D APA within the limits of the
boost converter output current.
Copyright 2007, Texas Instruments Incorporated
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Product Folder Link(s): TPA2013D1
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| MPZ2012S101AT | 制造商:TDK Innoveta 功能描述:Ferrite Beads Multi-Layer Chip Bead 100Ohm 25% 100MHz 4A 0805 T/R |
| MPZ2012S101AT000 | 制造商:TDK 功能描述: |
| MPZ2012S101ATD25 | 制造商:TDK 功能描述:FERRITE CHIP BEADS - Tape and Reel |
| MPZ2012S102A | 功能描述:電磁干擾濾波珠子、扼流圈和陣列 0805 1000ohms 100MHz Rdc 0.15ohms 1.5A RoHS:否 制造商:AVX 阻抗: 最大直流電流:35 mA 最大直流電阻: 容差: 端接類型:SMD/SMT 電壓額定值:25 V 工作溫度范圍:- 25 C to + 85 C 封裝 / 箱體:0603 (1608 metric) |
| MPZ2012S102AT | 制造商:TDK 功能描述:Ferrite Beads Multi-Layer Chip Bead 1KOhm 25% 100MHz 1.5A 0805 制造商:TDK 功能描述:MPZ Series 1 kO 25 % 100 MHz 1.5 A 0805 Multi-Layer Chip Ferrite Bead 制造商:TDK 功能描述:MPZ Series 1 kO ?25 % 100 MHz 1.5 A 0805 Multi-Layer Chip Ferrite Bead |
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