參數(shù)資料
型號(hào): TPA302DG4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 音頻/視頻放大
英文描述: 0.3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁(yè)數(shù): 19/25頁(yè)
文件大小: 623K
代理商: TPA302DG4
www.ti.com
AC OPERATING CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS
AC OPERATING CHARACTERISTICS
TPA302
SLOS174C – JANUARY 1997 – REVISED JUNE 2004
V
DD = 3.3 V, TA = 25°C, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
THD < 0.08%
100
THD < 1%
125
Gain = –1,
PO
Output power
mW
f = 1 kHz
THD < 0.08%,
RL = 32
25
THD < 1%,
RL = 32
35
BOM
Maximum output power bandwidth
Gain = 10,
1% THD
20
kHz
B1
Unity gain bandwidth
Open loop
1.5
MHz
Channel separation
f = 1 kHz
75
dB
Supply ripple rejection ratio
f = 1 kHz
45
dB
Vn
Noise output voltage
Gain = –1
10
Vrms
at specified free-air temperature, V
DD = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
IDD
Supply current
4
10
mA
VOO
Output offset voltage
5
20
mV
PSRR
Power supply rejection ratio
VDD = 4.9 V to 5.1 V
65
dB
IDD(SD)
Quiescent current in shutdown
0.6
A
V
DD = 5 V, TA = 25°C, RL = 8 (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP MAX
UNIT
THD < 0.06%
250
THD < 1%
300
Gain = –1,
PO
Output power
mW
f = 1 kHz
THD < 0.06%,
RL = 32
60
THD < 1%,
RL = 32
80
BOM
Maximum output power bandwidth
Gain = 10,
1% THD
20
kHz
B1
Unity gain bandwidth
Open loop
1.5
MHz
Channel separation
f = 1 kHz
75
dB
Supply ripple rejection ratio
f = 1 kHz
45
dB
Vn
Noise output voltage
Gain = -1
10
Vrms
3
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