Datasheet

DS3514
I
2
C Gamma and V
COM
Buffer with EEPROM
_______________________________________________________________________________________ 3
INPUT ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +2.7V to +5.5V, T
A
= -45°C to +95°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input Resistance (GHH, GHM,
GLM, GLL)
75 k
Input Resistance Tolerance T
A
= +25°C -20 +20 %
Power-On Recall Voltage V
POR
(Note 7) 1.6 2.6 V
Power-Up Time t
D
(Note 8) 25 ms
OUTPUT ELECTRICAL CHARACTERISTICS
(V
CC
= +2.7V to +5.5V, VRL = +2.0V, GLL = +0.2V, GLM = +4.8V, GHM = +10.2V, VRH = +13.0V, GHH = +14.8V, T
A
= -45°C to
+95°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
GM1–GM14 DAC Resolution 10 Bits
V
COM
DAC Resolution 8 Bits
V
COM
Integral Nonlinearity Error INL T
A
= +25°C (Note 9) -0.5 +0.5 LSB
V
COM
Differential Nonlinearity
Error
DNL T
A
= +25°C (Note 10) -0.5 +0.5 LSB
GM1–GM14 Integral
Nonlinearity Error
INL T
A
= +25°C (Note 9) -1.0 +1.0 LSB
GM1–GM14 Differential
Nonlinearity Error
DNL T
A
= +25°C (Note 10) -0.35 +0.35 LSB
Output Voltage Range (V
COM
) 2.0 V
DD
- 2.0 V
Output Voltage Range (GM1–G14) 0.2 V
DD
- 0.2 V
V
COM
Output Accuracy T
A
= +25°C -20 +20 mV
GM1–GM14 Offset GM outputs = V
DD
/2, T
A
= +25°C 37 mV
GM1–GM14 Output Accuracy GM outputs = V
DD
/2, T
A
= +25°C -35 +35 mV
Voltage Gain (GM1–GM14) 0.995 V/V
Load Regulation
(V
COM
, GM1–GM14)
1.0 mV/mA
Short-Circuit Current (V
COM
) To V
DD
or GND 250 mA
S0/S1 to LD Setup Time t
SU
Figure 2 37.5 ns
S0/S1 to LD Hold Time t
HD
Figure 2 37.5 ns
V
COM
Settling Time from LD Low
to High (S0/S1 Meet t
SU
)
t
SET-V
Settling to 0.1% of final V
COM
level
(Figure 1) (Note 11)
2.0 μs
GM1–GM14 Settling Time from
LD Low to High
t
SET-G
4t
AU
settled with I
LOAD
= ±20mA
(Figure 2) (Notes 11, 12, 13)
5.0 μs
S0, S1 to GM1–GM14 Output
10% Settled
t
SEL
10% settling (Figure 3), LD = V
CC
(asynchronous) (Notes 11, 13)
600 ns