參數(shù)資料
型號: TPA112DG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 0.07 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù): 23/29頁
文件大?。?/td> 707K
代理商: TPA112DG4
www.ti.com
RECOMMENDED OPERATING CONDITIONS
DC ELECTRICAL CHARACTERISTICS
AC OPERATING CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS
AC OPERATING CHARACTERISTICS
TPA112
SLOS212E – AUGUST 1998 – REVISED JUNE 2004
MIN
MAX
UNIT
VDD
Supply voltage
2.5
5.5
V
TA
Operating free-air temperature
–40
85
°C
at T
A = 25°C, VDD = 3.3 V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOO
Output offset voltage
10
mV
PSRR
Power supply rejection ratio
VDD = 3.2 V to 3.4 V
83
dB
IDD(q)
Supply current
1.5
3
mA
ZI
Input impedance
> 1
M
V
DD = 3.3 V, TA = 25°C, RL = 8
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power (each channel)
THD
≤ 0.1%
70(1)
mW
THD+N
Total harmonic distortion + noise
PO = 70 mW, 20 Hz–20 kHz
2%
BOM
Maximum output power BW
G = 10, THD < 5%
> 20
kHz
Phase margin
Open loop
58
°
SVRR
Supply ripple rejection
f = 1 kHz
68
dB
Channel/channel output separation
f = 1 kHz
86
dB
SNR
Signal-to-noise ratio
PO = 100 mW
100
dB
Vn
Noise output voltage
9.5
V(rms)
(1)
Measured at 1 kHz
at T
A = 25°C, VDD = 5 V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOO
Output offset voltage
10
mV
PSRR
Power supply rejection ratio
VDD = 4.9 V to 5.1 V
76
dB
IDD(q)
Supply current
1.5
3
mA
ZI
Input impedance
> 1
M
V
DD = 5 V, TA = 25°C, RL = 8
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power (each channel)
THD
≤ 0.1%
70(1)
mW
THD+N
Total harmonic distortion + noise
PO = 150 mW, 20 Hz–20 kHz
2%
BOM
Maximum output power BW
G = 10, THD < 5%
> 20
kHz
Phase margin
Open loop
56
°
SVRR
Supply ripple rejection
f = 1 kHz
68
dB
Channel/channel output separation
f = 1 kHz
86
dB
SNR
Signal-to-noise ratio
PO = 150 mW
100
dB
Vn
Noise output voltage
9.5
V(rms)
(1)
Measured at 1 kHz
3
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