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參數(shù)資料
| 型號： | BH7881EFV-E2 |
| 廠商： | Rohm Semiconductor |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP HDPH/SPEAKER LV 24HTSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類型： | AB 類 |
| 輸出類型： | 2 通道（立體聲） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 2W x 2 @ 4 歐姆 |
| 電源電壓： | 3.3 V ~ 5.5 V |
| 特點(diǎn)： | 低音增強(qiáng)模式，靜音，短路和熱保護(hù)，待機(jī) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 24-HTSSOP-B |
| 封裝/外殼： | 24-VSSOP（0.220"，5.60mm 寬）裸露焊盤 |
| 包裝： | 帶卷 (TR) |
4
SY88983V
Micrel, Inc.
M9999-020205
hbwhelp@micrel.com or (408) 955-1690
February 2005
V
CC = 3.0V to 3.6V or 4.5V to 5.5V; RLOAD = 50 to VCC; TA = –40°C to +85°C; typical values at VCC = 3.3V, TA = 25°C.
Symbol
Parameter
Condition
Min
Typ
Max
Units
HYS
SD Hysteresis
Note 7
2
4.6
8
dB
PSRR
Power Supply Rejection Ratio
35
dB
t
OFF
SD Release Time
0.1
0.5
s
t
ON
SD Assert Time
0.2
0.5
s
t
r, tf
Differential Output Rise/Fall Time
60
120
ps
(20% to 80%)
Note 8
t
JITTER
Deterministic
Note 9
15
psp-p
Random
5psrms
V
ID
Differential Input Voltage Swing
10
1800
mVp-p
V
OD
Differential Output Voltage Swing
Note 10
550
800
mVp-p
V
SR
SD Sensitivity Range
Note 11
10
50
mVp-p
A
V(Diff)
Differential Voltage Gain
32
38
dB
B
–3dB
3dB Bandwidth
2.2
GHz
S
21
Single-Ended Small Signal-Gain
26
32
dB
Notes:
7. Electrical signal.
8. With input signal VID > 50mVp-p and 50 load.
9. Deterministic jitter measured using K28.5 pattern at 2.488Gbps, VID = 10mVp-p. Random jitter measured using K28.7 pattern at 2.488Gbps, VID =
10mVp-p.
10. Input is a 200MHz square wave, tr < 300ps, 50 load. VID ≥ 14mVp-p.
11. This is the detectable range of input amplitudes that can de-assert SD. The input amplitude to assert SD is 2–8dB higher than the de-assert
amplitude. See
“Typical Operating Characteristics” for a graph showing how to choose a particular RSDLVL for a particular SD de-assert, and its
associated assert, amplitude.
AC ELECTRICAL CHARACTERISTICS
TYPICAL OPERATING CHARACTERISTICS
0
10
20
30
40
50
60
70
80
90
10
100
1000
10000 100000
V
ID
(mV
P-P
)
R
SDLVL
SD Assert/Deassert Level
vs. R
SDLVL
ASSERT
DEASSERT
V
CC = 3.3V, GND = 0V, TA = 25°C unless otherwise stated.
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