參數(shù)資料
型號(hào)： TPA3008D2PHPG4
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 音頻／視頻放大
英文描述： 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封裝： GREEN, PLASTIC, HTQFP-48
文件頁(yè)數(shù)： 23/31頁(yè)
文件大?。?/td> 654K
代理商： TPA3008D2PHPG4
www.ti.com
SLOS435C – MAY 2004 – REVISED AUGUST 2010
RECOMMENDED OPERATING CONDITIONS (continued)
TA = 25°C (unless otherwise noted)
MIN
MAX
UNIT
Frequency is set by selection of ROSC and COSC
Oscillator frequency, fOSC
200
300
kHz
(see the Application Information Section).
Operating free–air temperature, TA
-40
85
°C
DC ELECTRICAL CHARACTERISTICS
TA = 25°C, VCC = 12 V, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Class-D output offset voltage
INN and INP connected together,
|VOO|
5
55
mV
(measured differentially)
Gain = 31.8 dB
V2P5
2.5-V Bias voltage
No load
2.5
V
IL = 10 mA, SHUTDOWN = 2 V,
AVDD
+5-V internal supply voltage
4.5
5
5.5
V
VCC = 8.5 V to 18 V
PSRR
Power supply rejection ratio
VCC = 11.5 V to 12.5 V
-76
dB
ICC
Quiescent supply current
SHUTDOWN = 2 V, no load
11
22
mA
Quiescent supply current in
ICC(SD)
SHUTDOWN = 0 V
1.6
25
A
shutdown mode
High side
600
VCC = 12 V,
rDS(on)
Drain-source on-state resistance
IO = 1 A,
Low side
500
m
TJ = 25°C
Total
1100
1300
GAIN0 = 0.8 V
14.6
15.3
16.2
GAIN1 = 0.8 V
GAIN0 = 2 V
20.5
21.2
21.8
G
Gain
dB
GAIN0 = 0.8 V
26.4
27.2
27.8
GAIN1 = 2 V
GAIN0 = 2 V
31.1
31.8
32.5
ton
Turnon time
C(V2P5) = 1 F, SHUTDOWN = 2 V
16
ms
toff
Turnoff time
C(V2P5) = 1 F, SHUTDOWN = 0.8 V
60
s
AC ELECTRICAL CHARACTERISTICS
TA = 25°C, VCC = 12 V, RL = 8 , (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
200 mVPP ripple from 20 Hz to 1 kHz,
kSVR
Supply voltage rejection ratio
-70
dB
Gain = 15.6 dB, Inputs ac-coupled to GND
THD+N = 0.13%, f = 1 kHz, RL = 8
5
THD+N = 10%, f = 1 kHz, RL = 8
8.5
THD+N = 0.16%, f = 1 kHz, RL = 16 ,
PO
Continuous output power
W
5
VCC = 17 V
THD+N = 10%, f = 1 kHz, RL = 16 ,
10
VCC = 17 V
Total harmonic distortion plus
THD+N
PO = 1 W, f = 1 kHz, RL = 8
0.1%
noise
20 Hz to 22 kHz, A-weighted filter,
Vn
Output integrated noise floor
-80
dB
Gain = 15.6 dB
Crosstalk
PO = 1 W, RL = 8 , Gain = 15.6 dB,
-93
dB
f = 1 kHz
Maximum output at THD+N < 0.5%,
SNR
Signal-to-noise ratio
97
dB
f = 1 kHz, Gain = 15.6 dB
Thermal trip point
150
°C
Thermal hystersis
20
°C
Copyright 2004–2010, Texas Instruments Incorporated
3
Product Folder Link(s): TPA3008D2
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