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參數(shù)資料
| 型號(hào)： | TPA6204A1DGN |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | R-78Bxx-1.0(L) Series - Innoline Regulated DC-DC Converters; Output Voltage (Vdc): 5.0V; Output Current (A): 1.0A; Features: Efficiency up to 97%,Non isolated, no need for heatsinks; Pin-out compatible with LM78XX Linears; Low profile( L*W*H=11.5*8.5*17.5mm); Wide input range.(4.75V ~ 34V); Short circuit protection, Thermal shutdown; Non standard outputs available as specialsbetween 1.5V ~15V; Low ripple and noise; ?L? version with 90?? pins |
| 中文描述： | 1.7W單聲道全差分音頻功率放大器 |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 244K |
| 代理商： | TPA6204A1DGN |
SLOS429 MAY 2004
www.ti.com
3
ELECTRICAL CHARACTERISTICS, T
A
= 25
°
C
PARAMETER
Output offset voltage (measured
differentially)
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOS
VI = 0 V differential, Gain = 1 V/V, VDD = 5.5 V
9
0.3
9
mV
PSRR
Power supply rejection ratio
VDD = 2.5 V to 5.5 V
VDD = 2.5 V to 5.5 V
VDD = 5.5 V,
VDD = 2.5 V,
85
60
dB
VIC
Common mode input range
0.5
VDD0.8
V
CMRR
Common mode rejection ratio
VIC = 0.5 V to 4.7 V
VIC = 0.5 V to 1.7 V
63
40
dB
63
40
RL = 8
,
VIN+ = 0 V,
Gain = 1 V/V,
VIN = VDD
VDD = 5.5 V
VDD = 3.6 V
VDD = 2.5 V
VDD = 5.5 V
VDD = 3.6 V
VDD = 2.5 V
0.45
Low-output swing
0.37
V
VIN+ = VDD,
VIN = 0 V or
0.26
0.4
RL = 8
,
VIN = VDD
Gain = 1 V/V,
VIN+ = 0 V
4.95
High-output swing
3.18
V
VIN+ = VDD,
VIN = 0 V or
2
2.13
| IIH |
High-level input current, SHUT-
DOWN
VDD = 5.5 V,
VI = 5.8 V
58
100
μ
A
| IIL |
Low-level input current, SHUT-
DOWN
VDD = 5.5 V,
VI = 0.3 V
3
100
μ
A
IQ
Quiescent current
VDD = 2.5 V to 5.5 V, no load
V(SHUTDOWN)
≤
0.5 V, VDD = 2.5 V to 5.5 V,
RL = 8
4
6
mA
I(SD)
Supply current
0.01
1
μ
A
Gain
RL = 8
38 k
RI
40 k
RI
42 k
RI
V/V
Resistance from shutdown to
GND
100
k
OPERATING CHARACTERISTICS, TA = 25
°
C, Gain = 1 V/V
PARAMETER
TEST CONDITIONS
MIN
TYP
1.36
MAX
UNIT
THD + N= 1%, f = 1 kHz,
RL= 8
VDD = 5 V
VDD = 3.6 V
VDD = 2.5 V
VDD = 5 V
VDD = 3.6 V
VDD = 2.5 V
0.72
W
PO
Output power
0.33
THD + N= 10%, f = 1 kHz,
RL= 8
1.7
0.85
W
0.4
VDD = 5 V, PO = 1 W, RL
= 8
,
f = 1 kHz
VDD = 3.6 V, PO = 0.5 W, RL
= 8
,
f = 1 kHz
VDD = 2.5 V, PO = 200 mW, RL
= 8
,
f = 1 kHz
VDD = 3.6 V,
Inputs ac-grounded
with Ci = 2
μ
F,
V(RIPPLE) = 200 mVpp
VDD = 5 V, PO = 1 W, RL
= 8
VDD = 3.6 V,
f = 20 Hz to 20 kHz,
Inputs ac-grounded with
Ci = 2
μ
F
VDD = 3.6 V
VIC = 1 Vpp
0.02%
THD+N
Total harmonic distortion plus noise
0.02%
0.03%
kSVR
Supply ripple rejection ratio
f = 217 Hz
80
dB
f = 20 Hz to 20 kHz
70
SNR
Signal-to-noise ratio
105
dB
Vn
Output voltage noise
No weighting
15
μ
VRMS
A weighting
12
CMRR
Common mode rejection ratio
f = 217 Hz
65
dB
RF
Feedback resistance
38
40
44
k
ms
Start-up time from shutdown
VDD = 3.6 V, CBYPASS = 0.1
μ
F
27
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