BA7757 View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
MFG CO.
BA7757 Datasheet PDF : 5 Pages
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Video ICs
•Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
VCC
8.0∗1
V
Power dissipation
Pd
400∗2
mW
Operating temperature
Topr
– 10 ~ + 65
°C
Storage temperature
Tstg
– 55 ~ + 125
°C
∗1 When IC is stand alone.
∗2 Reduced by 4mW for each increase in Ta of 1°C over 25°C.
•Recommended operating conditions
Parameter
Symbol Min. Typ. Max.
Unit
Power supply voltage
VCC
4.0
—
6.0
V
BA7757BK
•Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 5V, and f = 1kHz)
Parameter
Symbol Min.
Quiescent current (SP mode) IqSP
—
Quiescent current (EP mode) IqEP
—
〈Line amplifier〉 (LINE IN ~ LINE OUT)
Distortion
DISTNEE —
Maximum output level
VOmL
0.75
ALC level
VOA – 6.8
ALC distortion
DISTNA —
〈Recording amplifier〉 (LINE IN ~ REC OUT)
Gain
GVR
39.1
Distortion
DISTNR —
Maximum output level
VOmR
0.85
〈Input switch〉 (MIC IN ~ SW OUT)
Gain
GVSW – 0.5
Distortion
DISTNSW —
Input resistance
ZINM
—
Maximum output level
VOmsw
0.85
∗1 Measured at BW = 0.4 to 30kHz.
Typ. Max.
7.0
9.8
8.0
11.2
0.06
1.1
–5
0.08
0.2
—
– 3.2
0.2
40.8 42.5
0.06
0.2
1.2
—
0
—
0.002 0.1
75
—
1.2
—
Unit
Conditions
mA No signal, EE and SP mode
mA No signal, EE and EP mode
%
Vrms
dBV
%
LINE IN ~ LINE OUT, VIN = – 25dBV∗1
DISTN = 1%∗1
VIN = – 15dBV
VIN = – 15dBV∗1
dB VIN = – 25dBV, input attenuation conversion
%
VIN = – 25dBV∗1
Vrms DISTN = 1%∗1
dB VIN = – 14dBV
%
VIN = – 14dBV∗1
kΩ
Vrms DISTN = 1%∗1
3
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