BUF16820 Datasheet, PDF (3/30 Pages) Burr-Brown (TI) – 14-Channel GAMMA VOLTAGE GENERATOR with Programmable VCOM Outputs and OTP Memory

BUF16820
www.ti.com
SBOS356A − FEBRUARY 2006 − REVISED OCTOBER 2006
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 = 5V, V_REFH = 17V, V_REFL = 1V, R_L = 1.5kΩ connected to ground, and C_L = 200pF, unless otherwise noted.
BUF16820
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG
Gamma Output Swing—High
Gamma Output Swing—Low
V_COM Buffer Output Swing—High
V_COM Buffer Output Swing—Low
Output Current
REFH Input Range⁽¹⁾
REFL Input Range⁽¹⁾
Integral Nonlinearity
Differential Nonlinearity
Gain Error
Program-to-Out Delay
Output Accuracy
over Temperature
Input Resistance at REFH and REFL
Load Regulation, All References
40mA, All Channels
ANALOG POWER SUPPLY
Operating Range
Total Analog Supply Current
over Temperature
OUT1−9, REFH OUT, Sourcing 10mA, V_REFH = 17.8V, Code 1023
OUT10−14, REFL OUT, Sourcing 10mA, V_REFH = 17.8V, Code 1023
OUT1−9, REFH OUT, Sinking 10mA, V_REFL = 0.2V, Code 00
OUT10−14, REFL OUT, 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
INL
DNL
t_D
R_INH
REG
V_S
I_S
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
17.7 17.8
V
17.0 17.2
V
0.6
1.0
V
0.2
0.3
V
13
15.5
V
1
2
V
See Typical Characteristic Curve
4
V_S
V
GND
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
8.5
18
V
18
28
mA
28
mA
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
0.7 • V_SD
0.15
±0.01
0.3 • V_SD
0.4
±10
400
3.4
V
V
V
µA
kHz
MHz
DIGITAL POWER SUPPLY
Operating Voltage Range
V_SD
Digital Supply Current⁽²⁾
I_SD
over Temperature
No-Load, Two-Wire Bus Inactive
2.0
5.5
V
25
50
µA
100
µA
TEMPERATURE
Specified Temperature Range
Operating Temperature Range
Storage Temperature Range
Thermal Resistance, HTSSOP-32
Junction-to-Ambient
q_JA
Junction-to-Case
q_JC
Junction Temperature < +125°C
−40
+85
°C
−40
+95
°C
−65
+150
°C
25
°C/W
10
°C/W
(1) _{See the REFH and REFL Input Range section in the Application Information.}
(2) _{See typical characteristic curve, Digital Supply Current vs Two-Wire Bus Activity.}
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