Texas Instruments 12 Channel Gamma Buffer with Dual Memory Banks BUF12840EVM BUF12840EVM 데이터 시트

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BUF12840EVM
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페이지 31
SBOS519A
OCTOBER 2010
REVISED JULY 2011
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range, T
A
=
40
°
C to +95
°
C.
At T
A
= +25
°
C, V
S
= +18V, and V
SD
= +5V, unless otherwise noted.
BUF12840
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG GAMMA BUFFER CHANNELS
Reset value
Code 0
0
V
OUT1 to OUT12 output swing: high
Code = 1023, sourcing 10mA
17.7
17.85
V
OUT1 to OUT12 output swing: low
Code = 0, sinking 10mA
0.07
0.3
V
OUT1 to OUT12 output swing: high
Code = 1023, sourcing 5mA
17.8
17.9
V
OUT1 to OUT12 output swing: low
Code = 0, sinking 5mA
0.07
0.2
V
Continuous output current
See note
(1)
30
mA
Output accuracy
Code 512
±
20
±
50
mV
vs Temperature
Code 512
±
25
μ
V/
°
C
Integral nonlinearity
INL
V
OUT
= GND + 0.3V to V
S
0.3V
0.3
Bits
Differential nonlinearity
DNL
V
OUT
= GND + 0.3V to V
S
0.3V
0.3
Bits
Load regulation, 10mA
REG
Code 512 or V
CC
/2, I
OUT
= +5mA to
5mA step
0.5
1.5
mV/mA
ANALOG POWER SUPPLY
Operating range
9
20
V
Total analog supply current
I
S
Outputs at midscale with no load
6.5
10
mA
Over temperature
19
mA
DIGITAL INPUT/OUTPUT
(2)
Logic 1 input voltage
V
IH
0.7
×
V
SD
V
Logic 0 input voltage
V
IL
0.3
×
V
SD
V
Logic 0 output voltage
V
OL
I
SINK
= 3mA
0.15
0.4
V
Input leakage
±
0.01
±
10
μ
A
Clock frequency
f
CLK
Standard/Fast mode
400
kHz
High-Speed mode
3.4
MHz
EEPROM read clock speed
Master mode
71
87
100
kHz
BANK switching delay
LD pin = 0, V
OUT
= 50% of code 1023
7
10
μ
s
DIGITAL POWER SUPPLY
Operating range
V
SD
2.0
5.5
V
Digital supply current
(1)
I
SD
Two-Wire bus inactive
90
150
μ
A
Over temperature
115
175
μ
A
Power-on reset
POR
1.1
1.5
1.7
V
TEMPERATURE RANGE
Specified range
40
+95
°
C
Operating range
Junction temperature
<
+125
°
C
40
+95
°
C
Storage range
65
+150
°
C
(1)
Observe maximum power dissipation. Exposed thermal die is soldered to the PCB using thermal vias. Refer to Texas Instruments
application report
.
(2)
Refers to pins EA0, EA1, EN, LD, SCL, SDA, A0, and BKSEL.
Copyright
©
2010
2011, Texas Instruments Incorporated
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