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參數(shù)資料
| 型號(hào)： | SM6800AB |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | Class-D Mono Amplifier for Mobile Telephones |
| 中文描述： | D類(lèi)單聲道放大器，移動(dòng)電話(huà) |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大?。?/td> | 169K |
| 代理商： | SM6800AB |
SM6800A
NIPPON PRECISION CIRCUITS INC.—4
AC Analog Characteristics
VDD1
signal frequency, Ta
cuit”, TM1
=
VDD2
=
VDD3
=
=
LOW, PDWN
=
°
3.6V, VSS1
C
, "Measurement block diagram”, "Measurement conditions”, "Measurement cir-
=
MUTEN
=
HIGH, unless otherwise noted
=
VSS2
=
VSS3
=
0V, 0.708Vrms analog input amplitude, 1kHz input
25
=
TM2
Analog input characteristics (IN)
Analog output characteristics (OUTP, OUTN)
Reference voltage characteristics (VREF1)
Parameter
Symbol
Conditions
Rating
Unit
min
typ
max
Reference input amplitude 1
V
AI1
P
O
=
=
0.2W
–
0.708
–
Vrms
Reference input amplitude 2
V
AI2
P
O
0.05W
–
0.178
–
Vrms
Input resistance
R
IN
48
60
72
k
Input clipping voltage
V
CLP
P
O
=
0.5W
0.7
1
1.3
Vrms
Parameter
Symbol
Conditions
Rating
Unit
min
typ
max
Voltage gain 1
A
1
TM1 = TM2 = LOW
reference input amplitude 1
2.5
4.5
6.5
dB
Voltage gain 2
A
2
TM1 = HIGH, TM2 = LOW
reference input amplitude 2
10.0
12.0
14.0
dB
Residual noise voltage
V
NS
TM1 = TM2 = LOW
input and VREF1 connected by 600
–
68
90
μ
Vrms
Total harmonic distortion
+
noise
THD
+
N
P
O
= 0.2W reference input amplitude 1
–
0.4
1.0
%
Maximum output power
P
OMAX
Output power when THD = 10%
0.6
0.7
0.8
W
Mute-mode output voltage
V
MUTE
Output power when MUTEN = LOW
– 90.0
– 110
–
dBV
HIGH-level output voltage
V
OH
V
DDP
– 0.1
V
DDP
– 0.02
V
DDP
V
LOW-level output voltage
V
OL
0
0.02
0.1
V
Efficiency
E
EF
Maximum output power conditions
80
83
–
%
Parameter
Symbol
Rating
Unit
min
typ
max
Reference output voltage 1
V
REF1
0.45V
DDS
0.5V
DDS
0.55V
DDS
V
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