BUF20800 Datasheet, PDF (3/27 Pages) Burr-Brown (TI) – 18-Channel GAMMA VOLTAGE GENERATOR with Two Programmable VCOM Channels

BUF20800
www.ti.com
SBOS329D − JUNE 2005 − REVISED OCTOBER 2006
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range, T_A = −40°C to +85°C.
At TA = +25°C, VS = 18V, VSD = 5V, RL = 1.5kΩ connected to ground, and CL = 200pF, unless otherwise noted.
PARAMETER
CONDITIONS
ANALOG
Gamma Output Swing—High
Gamma Output Swing—Low
V_COM Buffer Output Swing—High
V_COM Buffer Output Swing—Low
Output Current⁽¹⁾
REFH Input Range⁽²⁾
REFL Input Range⁽²⁾
Integral Nonlinearity
Differential Nonlinearity
Gain Error
Program to Out Delay
Output Accuracy
Over Temperature
Input Resistance at V_REFH and V_REFL
Load Regulation, All References
40mA, All Channels
ANALOG POWER SUPPLY
Operating Range
Total Analog Supply Current
over Temperature
I_O
INL
DNL
t_D
R_INH
REG
V_S
I_S
OUT 1−9, Sourcing 10mA, V_REFH = 17.8V, Code 1023
OUT 10−18, Sourcing 10mA, V_REFH = 17.8V, Code 1023
OUT 1−9, Sinking 10mA, V_REFL = 0.2V, Code 00
OUT 10−18, Sinking 10mA, V_REFL = 0.2V, Code 00
V_COM, Sourcing 100mA, V_REFH = 17.8V
V_COM, Sinking 100mA, V_REFL = 0.2V
All Channels, Code 512, Sinking/Sourcing
No Load, V_REFH = 17V, V_REFL = 1V
No Load, V_REFH = 17V, V_REFL = 1V
No Load, V_REFH = 17V, V_REFL = 1V
V_OUT = V_S/2, I_OUT = +5mA to −5mA Step
V_OUT = V_S/2, I_SINKING = 40mA, I_SOURCING = 40mA
No Load
DIGITAL
Logic 1 Input Voltage
Logic 0 Input Voltage
Logic 0 Output Voltage
Input Leakage
Clock Frequency
V_IH
V_IL
V_OL
f_CLK
I_SINK = 3mA
Standard/Fast Mode
High-Speed Mode
DIGITAL POWER SUPPLY
Operating Voltage Range
Digital Supply Current⁽³⁾
over Temperature
V_SD
I_SD
Outputs at Reset Values, No-Load, Two-Wire Bus Inactive
TEMPERATURE
Specified Temperature Range
Operating Temperature Range
Storage Temperature Range
Thermal Resistance, HTSSOP-38
Junction-to-Ambient
q_JA
Junction-to-Case
q_JC
Junction Temperature < 125°C
(1) _{See typical characteristic Output Voltage vs Output Current.}
(2) _{See applications information section REFH and REFL Input Range.}
(3) _{See typical characteristic Digital Supply Current vs Temperature.}
BUF20800
MIN
TYP MAX
UNIT
17.7
17.0
13
40
4
GND
17.8
V
17.2
V
0.6
1.0
V
0.2
0.3
V
15.5
V
1
2.0
V
45
mA
V_S
V
V_S − 4
V
0.3
1.5
Bits
0.3
1
Bits
0.12
%
5
µs
±20
±50
mV
±25
mV
100
MΩ
0.5
1.5
mV/mA
0.5
1.5
mV/mA
7
18
V
18
28
mA
28
mA
0.7 × V_SD
0.15
±0.01
0.3 × V_SD
0.4
±10
400
3.4
V
V
V
µA
kHz
MHz
2.0
5.5
V
25
50
µA
100
µA
−40
+85
°C
−40
+95
°C
−65
+150
°C
30
°C/W
15
°C/W
3