參數(shù)資料
型號(hào): BU1425AK
廠商: Rohm CO.,LTD.
英文描述: NTSC / PAL digital RGB encoder
中文描述: 的NTSC / PAL編碼器,數(shù)字RGB
文件頁數(shù): 4/32頁
文件大小: 307K
代理商: BU1425AK
4
Multimedia ICs
BU1425AK / BU1425AKV
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Applied voltage
Input voltage
Storage temperature
Power dissipation
1
Reduced by 11mW for each increase in Ta of 1
°
C over 25
°
C.
1
When mounted on 120mm
×
140mm
×
1.0mm glass epoxy board.
Operation is not guaranteed at this value.
Not designed for radiation resistance.
Recommended operating conditions
Parameter
V
DD
, AV
DD
V
IN
Tstg
Pd
– 0.5 ~ + 7.0
– 0.3 ~ IOV
DD
+ 0.3
– 55 ~ + 150
1350
1
V
V
°
C
mW
Symbol
V
DD
= AV
DD
Limits
Unit
Power supply voltage
Power supply voltage
Input high level voltage
Input low level voltage
Analog input voltage
Operating temperature
Should be used at V
DD
= AV
DD
.
Electrical characteristics (unless otherwise noted, Ta = 25°C, V
DD
= AV
DD
= 5.0V, GND = AV
SS
= VGND = CGND = YGND)
Parameter
Symbol
Min.
Typ.
IOV
DD
V
IH
V
IL
V
AIN
Topr
0 ~ + 0.8
0 ~ AV
DD
– 25 ~ + 60
4.50 ~
3.30 ~
2.1 ~
5.50
5.50
V
DD
V
V
V
V
V
°
C
Max.
Unit
Conditions
Digital block
Burst frequency 1
Burst frequency 2
Burst cycle
Operating circuit current 1
Operating circuit current 2
Output high level voltage
Output low level voltage
Input high level voltage
Input low level voltage
Input high level current
Input low level current
fBST1
fBST2
CBST
Idd1
Idd2
V
OH
V
OL
V
IH
V
IL
I
IH
I
IL
4.0
2.1
3.57954
4.43361
9
80
40
4.5
0.5
0.0
0.0
1.0
0.8
10.0
10.0
MHz
MHz
CYC
mA
mA
V
V
V
V
μ
A
μ
A
27MHz color bar
27MHz color bar PD mode
I
OH
= – 2.0mA
I
OH
= 2.0mA
– 10
– 10
DAC block
DAC resolution
Linearity error
Y white level current
Y black level current
Y zero level current
V white level current
V black level current
V zero level current
RES
EL
IYW
IYB
IYZ
IYW
IYB
IYZ
9
25.14
7.24
0.0
25.14
7.24
0.0
10.0
10.0
BITS
LSB
mA
mA
μ
A
mA
mA
μ
A
IR = 1.2k
Sleep mode current
Iddpd
1.0
μ
A
V
IN
Max. = IOV
DD
+ 0.3V
V
IN
Min. = – 0.3V
– 10
– 10
±
0.5
±
3.0
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