參數(shù)資料
型號： BT458LPJ80
英文描述： Video DAC with Color Palette (RAMDAC)
中文描述： 視頻DAC的調色板（的RAMDAC）
文件頁數(shù)： 46/60頁
文件大?。?/td> 647K
代理商： BT458LPJ80
5.0 Parametric Information
Bt457/Bt458
5.1 DC Electrical Parameters
125 MHz/135 MHz/165 MHz Monolithic CMOS 256 Color Palette RAMDAC
5-4
Conexant
L45801 Rev. N
Bt457, Bt458
—
—
69.1
—
μA
DA0-to-DAC Matching
(1)
—
—
2
5
%
Output Compliance
VOC
–
0.5
—
+1.2
V
Output Impedance
RAOUT
—
50
—
k
Output Capacitance
(f = 1 MHz, IOUT = 0 mA)
CAOUT
—
13
20
pF
Voltage Reference Input Current
IREF
—
10
—
μA
Power Supply Rejection Ratio
(COMP = 0.1 μF, f = 1 kHz)
PSRR
—
0.5
—
% / %
VAA
NOTE(S):
(1)
Does not apply to the Bt457.
2. Test conditions (unless otherwise specified):
“
Recommended Operating Conditions
”
with RSET = 523
and VREF = 1.235 V.
As the parameters are guaranteed over the full temperature range, temperature coefficients are not specified or required.
Typical values are based on nominal temperature, i.e., room temperature, and nominal voltage, i.e., 5 V.
Table 5-3. DC Characteristics
(2 of 2)
Parameter
Symbol
Min
Typ
Max
Units
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