參數(shù)資料
型號: TPA3122D2N
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 16/21頁
文件大?。?/td> 507K
代理商: TPA3122D2N
www.ti.com
DC CHARACTERISTICS
AC CHARACTERISTICS
SLOS527A – DECEMBER 2007 – REVISED DECEMBER 2007
TA = 25°C, VCC = 24 V, RL = 4 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Class-D output offset voltage
| VOS |
VI = 0 V, AV = 36 dB
7.5
50
mV
(measured differentially)
V(BYPASS)
Bypass output voltage
No load
AVCC/8
V
ICC(q)
Quiescent supply current
SD = 2 V, MUTE = 0 V, No load
23
37
mA
ICC(q)
Quiescent supply current in mute mode
MUTE = 2 V, No load
23
mA
ICC(q)
Quiescent supply current in shutdown
1
SD = 0.8 V , No load
0.39
mA
mode
rDS(on)
Drain-source on-state resistance
200
m
Gain0 = 0.8 V
18
20
22
Gain1 = 0.8 V
Gain0 = 2 V
24
26
28
G
Gain
dB
Gain0 = 0.8 V
30
32
34
Gain1 = 2 V
Gain0 = 2 V
34
36
38
Mute Attenuation
VI = 1Vrms
–82
TA = 25°C, VCC = 24V, RL = 4 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC = 12 V, Vripple = 200 mVPP
100 Hz
–30
dB
KSVR
Supply ripple rejection
Gain = 20 dB
1 kHz
-48
dB
VCC = 12 V, RL = 4 , f = 1 kHz
4
Output Power at 1% THD+N
VCC = 24 V, RL = 8 , f = 1 kHz
8
PO
W
VCC = 12 V, RL = 4 , f = 1 kHz
5
Output Power at 10%
THD+N
VCC = 24 V, RL = 8 , f = 1 kHz
10
RL = 4 , f = 1 kHz, PO = 1 W
0.1%
Total harmonic distortion +
THD+N
noise
RL = 8 , f = 1 kHz, PO = 1 W
0.06%
85
V
Vn
Output integrated noise floor
20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB
–80
dB
Crosstalk
PO = 1 W, f = 1kHz; Gain = 20 dB
–60
dB
SNR
Signal-to-noise ratio
Max Output at THD+N < 1%, f = 1 kHz, Gain = 20 dB
99
dB
Thermal trip point
150
°C
Thermal hysteresis
30
°C
fOSC
Oscillator frequency
10 V
≤ VCC
230
250
270
kHz
mute delay
time from mute input switches high until outputs muted
120
msec
Δt
unmute delay
time from mute input switches low until outputs unmuted
120
msec
4
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s) :TPA3122D2
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