BUF08832_14 Datasheet, PDF (3/31 Pages) Texas Instruments – Programmable Gamma-Voltage Generator and High Slew Rate VCOM with Integrated Two-Bank Memory

BUF08832
www.ti.com
SBOS476C – AUGUST 2009 – REVISED JULY 2011
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range, T_A = –40°C to +85°C.
At T_A = +25°C, V_S = +18V, V_SD = +2V, and C_L = 200pF, unless otherwise noted.
PARAMETER
ANALOG GAMMA BUFFER CHANNELS
Reset Value
OUT 1, 8 Output Swing: High
OUT 1, 8 Output Swing: Low
OUT 2-7 Output Swing: High
OUT 2-7 Output Swing: Low
V_COM Output Swing: High⁽¹⁾
V_COM Output Swing: Low⁽¹⁾
V_COM Slew Rate⁽²⁾
Continuous Output Current
Output Accuracy⁽⁴⁾
vs Temperature
Integral Nonlinearity⁽⁴⁾
Differential Nonlinearity⁽⁴⁾
INL
DNL
Load Regulation, 10mA
REG
OTP MEMORY
Number of OTP Write Cycles
Memory Retention
ANALOG POWER SUPPLY
Operating Range
Total Analog Supply Current
I_S
Over Temperature
DIGITAL
Logic 1 Input Voltage
V_IH
Logic 0 Input Voltage
V_IL
Logic 0 Output Voltage
V_OL
Input Leakage
Clock Frequency
f_CLK
DIGITAL POWER SUPPLY
Operating Range
V_SD
Digital Supply Current⁽³⁾
I_SD
Over Temperature
TEMPERATURE RANGE
Specified Range
Operating Range
Storage Range
Thermal Resistance⁽³⁾
θ_JA
HTSSOP-20
CONDITIONS
Code 512
Code = 1023, Sourcing 10mA
Code = 0, Sinking 10mA
Code = 1023, Sourcing 10mA
Code = 0, Sinking 10mA
Sourcing/Sinking 400mA, G = 2
Sourcing/Sinking 400mA, G = 2
R_LOAD = 60Ω, C_LOAD = 100pF
Note ⁽³⁾
V_COM, codes 0 - 960; OUT 1 - 8, codes 0 - 1023
Code 512
Code 512 or V_CC/2, I_OUT = +5mA to –5mA Step
Outputs at Reset Values, No Load
I_SINK = 3mA
Standard/Fast Mode
High-Speed Mode
Outputs at Reset Values, No Load, Two-Wire Bus Inactive
Junction Temperature < +125°C
See Note ⁽⁵⁾
BUF08832
MIN
TYP
MAX
9
17.7
17.85
0.07
0.3
17.5
17.85
0.07
0.5
14
15.3
3.8
5
45
30
±20
±50
±25
0.3
0.3
0.5
1.5
16
100
9
20
8.5
11
11
0.7 × V_SD
0.15
±0.01
0.3 × V_SD
0.4
±10
400
3.4
2.0
5.5
115
180
115
–40
+85
–40
+95
–65
+150
40
UNIT
V
V
V
V
V
V
V
V/μs
mA
mV
μV/°C
LSB
LSB
mV/mA
Cycles
Years
V
mA
mA
V
V
V
μA
kHz
MHz
V
μA
μA
°C
°C
°C
°C/W
(1) The BUF08832 V_COM DAC limits can be programmed. These default limits apply if the device is not programmed. See the
Programmable V_COM Limit Section.
(2) See Figure 12, Large-Signal Step Response, V_COM.
(3) Observe maximum power dissipation.
(4) The V_COM output voltage is limited to codes 0 through 960; see Figure 3. This limitation is for V_COM only and does not affect DAC OUT,
1 through 8.
(5) Thermal pad attached to printed circuit board (PCB), 0lfm airflow, and 76mm × 76mm copper area.
Copyright © 2009–2011, Texas Instruments Incorporated
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