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부품번호 | BD8876FV 기능 |
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기능 | Output Coupling Capacitor-less Line Amplifier | ||
제조업체 | ROHM Semiconductor | ||
로고 | |||
전체 24 페이지수
Output Coupling Capacitor-less
Line Amplifier
BD8876FV, BD8878FV
Description
BD8876FV, BD8878FV are output coupling
capacitor-less line amplifiers. These IC have a negative
voltage generator built-in and generate the negative
voltage from the supply voltage. It is possible to drive in a
ground reference with both voltage of the supply voltage
and the negative voltage. Therefore, these line
amplifiers have wide output range, and they can output
2Vrms(5.65VP-P) with the single-supply 5V.
Features
Possible to output 2Vrms with single-supply 5V
Output Coupling Capacitor-less
Variable Gain(+6dB / +9dB Typ.) [BD8876FV]
Fixed Gain(+6.7dB Typ.)[BD8878FV]
Integrated Negative Power Supply
Ground-Referenced Outputs
Integrated Short-Circuit and Thermal Protection
Key Specifications
Power Supply voltage:
3V to 5.5V
THD+N:
0.003% (Typ)
(VCC=5V, RL=10kΩ, Vo=2Vrms, 20kHz LPF)
Maximum Output Voltage: 2Vrms (Min)@VCC=5V
Output Noise:
10μVrms (Typ)
Circuit Current (Active):
3.2mA (Typ)
Operating Temperature Range:
-40°C to +85°C
Package
SSOP-B14
W(Typ) x D(Typ) x H(Max)
5.00mm x 6.40mm x 1.35mm
Applications
Video game console, Projector, Set Top Box, Blu-ray
player etc.
Typical Application Circuit
VDD
VDD
SSOP-B14
SVDD
INL
PVDD
OUTL
INR OUTR
SDB
GAIN (*1)
PVSS
CP
CN
(*1) GAIN pin : BD8876FV
Amplifier type
Gain
Package
BD8876FV
Inverting
amplifier
+6.0dB / +9.0dB
(Changed by GAIN pin)
BD8878FV
Non-inverting
amplifier
+6.7dB
SSOP-B14
Figure 1. Typical Application Circuit
〇Product structure : Silicon monolithic integrated circuit
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
〇This product has no designed protection against radioactive rays
1/20
TSZ02201-0C1C0EZ00280-1-2
2015.10.30 Rev.001
BD8876FV, BD8878FV
Electrical Characteristics
(Unless otherwise specified, Ta=25°C, SVDD=PVDD=5V, SGND=PGND=0V, SDB=H, GAIN=L [BD8876FV], C1=C2=1µF,
RL=10kΩ, Input coupling capacitor=1µF)
Parameter
Circuit current
Circuit Current
(Shutdown)
Circuit Current
(Active)
SDB pin/GAIN pin
H Level Input Voltage
L Level Input Voltage
Input Leak Current
Line amplifier
Start up time
Offset Voltage
Maximum Output
Voltage
Symbol
Limit
BD8876FV
BD8878FV
Min Typ Max Min Typ Max
IST - 0.1 2 - 0.1 2
IDD - 3.2 8.2 - 3.2 10.5
VIH
0.7 x
SVDD
-
-
0.7 x
SVDD
-
-
VIL
-
-
0.3 x
SVDD
-
-
0.3 x
SVDD
ILEAK
-
- ±1 -
- ±1
tSON
VIS
VOUT
- 470 -
- ±0.5 ±5
- 470 -
- ±1 ±10
2.5 3.5
- 2.05 3.0
-
Unit Remarks
µA SDB=L
mA
SDB=H, No signal,
RL=No load
V
V
µA
µsec
mV
SDB=L→H
Vrms
f=1kHz , THD+N≦-40dB,
20kHz LPF
THD+N
THD+N - 0.003 0.032 - 0.003 0.032
%
f=1kHz, VOUT=2Vrms,
20kHz LPF
Input Impedance
Gain
ZIN1 *1
12
19
26
ZIN2 *2
10
15
20
20
30
40
AV1 *1 5.0 6.0 7.0
AV2 *2
8.0
5.7
9.0 10.0
6.7
7.7
kΩ
*1 GAIN=L (6dB mode)
*2 GAIN=H (9dB mode)
dB
*1 GAIN=L (6dB mode)
*2 GAIN=H (9dB mode)
Gain mismatch
Output Noise
ΔAV - 1 -
VN - 8 -
-1-
%
-
10
-
µVrms
20kHz LPF+A-Weight filter,
Rg=0ohm
Slew Rate
SR - 3.0 - - 3.0 - V/µsec
Maximum Capacitive
Load
CL
-
- 250 -
- 250
Crosstalk
CT - -80 - - -65 -
Power Supply
Rejection Ratio
PSRR
-
-65
-
- -65 -
Charge-Pump
Oscillator Frequency
fOSC
150 300 450 150 300 450
pF
dB
dB
kHz
f=1kHz, VOUT=200mVP-P,
1kHz BPF
f=1kHz, Vripple=100mVP-P,
1kHz BPF
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
4/20
TSZ02201-0C1C0EZ00280-1-2
2015.10.30 Rev.001
4페이지 BD8876FV, BD8878FV
(Unless otherwise specified, Ta=25°C, SVDD=PVDD=5V, SGND=PGND=0V, SDB=H, GAIN=L [BD8876FV], C1=C2=1µF,
RL=10kΩ, Input coupling capacitor=1µF) * SVDD, PVDD shows as ”VDD” in the following graphs.
12
11
10
9
8
7
6
5
4
3
2
100
10
1
BD8876FV
VOUT=2Vrms
RL=10kΩ
Gain=9dB
VDD=3V
VDD=5V
VDD=5.5V
1k 10k
Frequency [Hz]
Figure 12.
Gain vs. Frequency
(BD8876FV, 9dB)
100k 200k
BD8876FV
VDD=3V
Gain=6dB
RL=10kΩ
20kHz LPF
12
11
10
9
8
7
6
5
4
3
2
100
BD8878FV
VDD=3V
VDD=5V
VDD=5.5V
VOUT=2Vrms
RL=10kΩ
1k 10k
Frequency [Hz]
Figure 13.
Gain vs. Frequency
(BD8878FV)
100k 200k
10
VDD=5V
Gain=6dB
RL=10kΩ
1 20kHz LPF
BD8876FV
0.1 0.1
0.01
0.01
0.001
0.01
0.1 1
Output Voltage [Vrms]
Figure 14.
THD+N vs. Output Voltage
(BD8876FV, 3V)
0.001
10 0.01
0.1 1
Output Voltage [Vrms]
Figure 15.
THD+N vs. Output Voltage
(BD8876FV, 5V)
10
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
7/20
TSZ02201-0C1C0EZ00280-1-2
2015.10.30 Rev.001
7페이지 | |||
구 성 | 총 24 페이지수 | ||
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부품번호 | 상세설명 및 기능 | 제조사 |
BD8876FV | Output Coupling Capacitor-less Line Amplifier | ROHM Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |