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TSL1018
18 + 1 channel buffer for TFT-LCD panels
Features

Wide supply voltage: 5.5V to 16.8V Low operating current: 8mA typical at 25C Bandwidth at -3dB: 3.5MHz High output current COM amplifier: 150mA Industrial temperature range: -40C to +95C Small package: TQFP48 ePad Pin connections (top view)
COMo COMi VDD VDD VSS VSS
7 x 7mm TQFP48 ePad
Application
TFT liquid crystal display (LCD)
48 47 46 45 44 43 42 41 40 39 38 37
Description
The TSL1018 is composed of 18 + 1 channel buffers which are used to buffer the reference voltage for gamma correction in thin film transistor (TFT) liquid crystal displays (LCD). One "COM" amplifier is able to deliver high output current value, up to 150mA. Amplifiers A and B feature positive single supply inputs for common mode voltage, thus can be used for highest gamma voltages. The amplifiers C to R inclusive, and the COM amplifier, feature negative single supply inputs and are dedicated to the lowest gamma voltages. The TSL1018 is fully characterized and guaranteed over a wide industrial temperature range (-40 to +95C).
VSS
1 2 3 4 5 6 7
I H G K O N M
R Q P
36 35 34
L
33 32
J
31 30 VSS 29 VDD
VDD 8 9 10 11 12 13
E D
F
28 27
C B A
26 25 21 22 23 24
14 15 16 17 18 19 20 VDD VSS
July 2008
Rev 2
1/15
www.st.com 15
Absolute maximum ratings and operating conditions
TSL1018
1
Absolute maximum ratings and operating conditions
Table 1.
Symbol VDD VIN IOUT Supply voltage Input voltage Output current (A to R buffers) Output current (COM buffer) Thermal resistance junction to ambient for TQFP48 ePad not thermally connected to PCB ePad thermally connected to PCB Power dissipation(1) for TQFP48 ePad ePad not thermally connected to PCB ePad thermally connected to PCB Lead temperature (soldering 10 seconds) Storage temperature Junction temperature Human body model ESD (HBM)(2)
(3)
Absolute maximum ratings
Parameter Value 18 VSS -0.5V to VDD +0.5V 40 150 85 36 Unit V V mA
RTHJA
C/W
PD TLEAD TSTG TJ
1470 3470 260 -65 to +150 150 2000 200 1500
mW C C C
Machine model (MM)
V
Charged device model (CDM) (4)
1. PD is calculated with Tamb = 25C, TJ = 150C and RTHJA .
2. Human body model: a 100pF capacitor is charged to the specified voltage, then discharged through a 1.5k resistor between two pins of the device. This is done for all couples of connected pin combinations while the other pins are floating. 3. Machine model: a 200pF capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5). This is done for all couples of connected pin combinations while the other pins are floating. 4. Charged device model: all pins and package are charged together to the specified voltage and then discharged directly to the ground through only one pin.
Table 2.
Symbol VCC Tamb VIN
Operating conditions
Parameter Supply voltage (VDD - VSS) Ambient temperature Input voltages for buffers A & B Input voltages for buffers C to R & COM Value 5.5 to 16.8 -40 to +95 VSS + 1.5V to VDD VSS to VDD - 1.5V Unit V C V
2/15
TSL1018
Typical application schematics
2
Typical application schematics
Figure 1. Typical application schematic for the TSL1018
Vcc
8 16 29 41 43
+ Cs
R1 10uF R2 Gnd R3
22 21 20
VDD
A B C D E F G H I J K L M N O P Q R
19 17 15 14 13 12 11 10 9 6 5 4 3 2 1 48 47 46
Gamma 17 Gamma 16 Gamma 15 Gamma 14 Gamma 13 Gamma 12 Gamma 11 To colunm driver Gamma 10 Gamma 9 Gamma 8 Gamma 7 Gamma 6 Gamma 5 Gamma 4 Gamma 3 Gamma 2 Gamma 1 Gamma 0
R4
23
R5
24
R6
25
R7
26
R8
27
R9
28
R10
31
R11
32
R12
33
R13
34
R14
35
R15
36
R16
37
R17
38
R18
39
R19
Gnd Com Ref. Voltage COM
40
45
VCOM
VSS 7 18 30 42 44
TSL1018
Gnd
Note that:

Amplifiers A & B have their input voltages in the range VSS+1.5V to VDD. This is why they must be used for high level gamma correction voltages. Amplifiers C to R have their input voltages in the rangeVSS to VDD-1.5V. This is why they must be used for medium-to-low level gamma correction voltages. Amplifier COM has its input voltage range from VSS toVDD-1.5V.
3/15
Electrical characteristics
TSL1018
3
Table 3.
Symbol VIO VIO IIB RIN CIN VOL VOH IOUT PSRR ICC SR ts BW Gm Cs
Electrical characteristics
Electrical characteristics for Tamb = 25C , VDD = +5V, VSS = -5V, RL = 10k CL = 10pF , (unless otherwise specified)
Parameter Input offset voltage Input offset voltage drift Input bias current Input impedance Input capacitance Output voltage low Output voltage high Output current COM buffer Power supply rejection ratio Supply current Slew rate (rising & falling edge) Settling time Bandwidth at -3dB Phase margin Channel separation VCC= 6.5 to 15.5V No load -4V < VOUT < +4V 20% to 80% Settling to 0.1%, VOUT=2V step , RL=10k CL=10pF RL=10k CL=10pF , f=1MHz 80 150 100 8 1.1 5 3.5 60 75 11 dB mA V/s s MHz degrees dB IOUT = -5mA Buffers C to P Buffers Q, R & COM IOUT = 5mA for buffers A & B (A to R buffers) 4.82 Test conditions VICM = 0V -40C < Tamb < +85C VICM = 0V, buffers A & B VICM = 0V, buffers C to R & COM 1 1.35 -4.85 -4.92 4.87 40 mA -4.80 -4.85 5 140 70 Min. Typ. Max. 12 Unit mV V/C nA G pF V V
Note:
Limits are 100% production tested at 25C. Behavior at the temperature range limits is guaranteed through correlation and by design.
4/15
TSL1018
Electrical characteristics
Figure 2.
Supply current vs. supply voltage for various temperatures
Figure 3.
Output offset voltage (eq. VIO) vs. temperature
12
Current consumption (mA) Output offset voltage (mV)
1.0 V C C = 5.5V , 10V , 16.8V 0.5
T AM B = -40C 10 T AM B = + 25C
0.0
8
-0.5 T AM B =+ 95C 6 4 6 8 10 12 14 16 18
P ow er supply voltage (V )
-1.0 -40
-20
0
20
40
60
80
Am bient Tem perature (C )
Figure 4.
120 100 80 60 40 20 0 -40
Input current (IIB) vs. temperature
Figure 5.
120
Input current (IIB) vs. temperature
Input bias current (nA)
Input bias current (nA)
Buffers A & B V C C =5.5V, 10V, 16.8V
100 80 60 40 20 0 -40
Buffers C to C O M V C C = 5.5V, 10V , 16.8V
-20
0
20
40
60
80
-20
0
20
40
60
80
Am bient Tem perature (C )
Am bient Tem perature (C )
Figure 6.
Output current capability vs. temperature
Figure 7.
Output current capability vs. temperature
200 150
Output current (mA)
80 60
Output current (mA)
100 50 0 -50 -100 -150 -200 -40 -20 0 20 40 60 80 Buffers A & B V C C =5.5V V CC =10V V CC =16.8V
40 20 0 -20 -40 -60 -80 -40 -20 0 20 40 B uffers C to R 60 80 V C C =5.5V V C C = 10V , 16.8V
Am bient Tem perature (C)
A m bient Tem perature (C )
5/15
Electrical characteristics
TSL1018
Figure 8.
Output current capability vs. temperature
Figure 9.
High level voltage drop vs. temperature
200
High level voltage drop (mV)
200
Output current (mA)
V C C =16.8V 150
100
0
V CC =5.5V
V CC =10V, 16.8V
100 V C C = 5.5V 50 Buffers A & B Iout= 5m A V CC =10V
-100 Buffer COM -200 -40 -20 0 20 40 60 80
0 -40
-20
0
20
40
60
80
Ambient Temperature (C)
Am bient Tem perature (C )
Figure 10. Low level voltage drop vs. temperature
200
Low level voltage drop (mV)
Figure 11. Low level voltage drop vs. temperature
120
Low level voltage drop (mV)
V CC = 5.5V 100 80 60 40 20 0 -40 Buffer CO M Iout = 5m A
160
V CC = 5.5V
120
V CC = 10V, 16.8V
80
V CC = 10V, 16.8V Buffers Q & R Iout = 5m A
40
0 -40
-20
0
20
40
60
80
100
-20
0
20
40
60
80
100
Tem perature (C)
Tem perature (C)
Figure 12. Voltage output high (VOH) vs. output current - buffers A & B
5.5
High level output voltage (V)
Figure 13. Voltage output high (VOH) vs. output current - buffers A & B
10.0
High level output voltage (V)
5.0
T AM B =-40C
9.8
T AM B =-40C T AM B =+25C
9.6
4.5
T AM B =+25C
9.4
T AM B =+95C
4.0 B uffers A & B V CC = 5.5V 3.5 0 5 10 15 20 25 30
O utput current (m A)
9.2 T AM B =+95C 9.0 0 5 10 15 20 25 30
O utput current (m A)
Buffers A & B V CC = 10V
6/15
TSL1018
Electrical characteristics
Figure 14. Voltage output high (VOH) vs. output current - buffers A & B
16.8
High level output voltage (V)
Figure 15. Voltage output low (VOL) vs. output current - buffers C to P
1.2
Low level output voltage (V)
1.0 0.8 0.6 0.4 0.2 0.0 -30 T AM B =-40C
T A M B =+95C
Buffers C to P V CC = 5.5V
16.6
T AM B =-40C
16.4 T AMB =+95C 16.2 Buffers A & B V CC = 16.8V 16.0 0 5 10 15 20
T AMB =+25C
T AM B =+25C
25
30
-25
-20
-15
-10
-5
0
Output current (m A)
O utput current (m A)
Figure 16. Voltage output low (VOL) vs. output Figure 17. Voltage output low (VOL) vs. output current - buffers C to P current - buffers C to P
1.2
Low level output voltage (V)
1.2 T A M B =+95C
Low level output voltage (V)
1.0 0.8 0.6 0.4 0.2 0.0 -30
Buffers C to P V C C = 10V
1.0 0.8 0.6 0.4 T A M B =-40C 0.2 0.0 -30 T A M B =+95C
Buffers C to P V CC = 16.8V
T A M B = +25C
T A M B =+25C
T A M B =-40C
-25
-20
-15
-10
-5
0
-25
-20
-15
-10
-5
0
O utput current (m A)
O utput current (m A)
Figure 18. Voltage output low (VOL) vs. output Figure 19. Voltage output low (VOL) vs. output current - buffer Q, R & COM current - buffer Q, R & COM
1.6
Low level output voltage (V) Low level output voltage (V)
2.0 B uffers Q , R & C O M V CC = 5.5V T AM B =+95C 1.5 Buffers Q , R & C O M V CC = 10V
1.2
T AM B =+95C
0.8
T AM B =+25C
T AM B =+25C 1.0
0.4 T AM B =-40C 0.0 -50 -40 -30 -20 -10 0
0.5
T AM B =-40C
0.0 -100
-80
-60
-40
-20
0
O utput current (m A)
O utput current (m A)
7/15
Electrical characteristics
TSL1018
Figure 20. Voltage output low (VOL) vs. output Figure 21. Positive slew rate vs. temperature current - buffer Q, R & COM
2.0
Low level output voltage (V) Positive Slew Rate (V/s)
2.0 Buffers Q , R & CO M V CC = 16.8V
1.5
T AM B =+95C T AM B =+25C
1.5
V C C = 10V
V C C = 16.8 V
1.0
1.0 V C C = 5.5V 0.5 B u ffers A & B
0.5
T AM B =-40C
0.0 -100
-80
-60
-40
-20
0
0.0 -4 0
-20
0
20
40
60
80
Output current (m A)
A m bient Tem peratu re (C )
Figure 22. Positive slew rate vs. temperature
2.0 V C C = 16.8V 1.5
Figure 23. Positive slew rate vs. temperature
2.0
Positive Slew Rate (V/s)
Positive Slew rate (V/s)
1.5
V C C = 10V
V C C = 16.8V
1.0 V C C = 5.5 V 0.5 B uffers C to R 0.0 -40 -2 0 0 20 40 60 80 V C C = 10V
1.0 V C C = 5.5 V 0.5 B uffer C O M 0.0 -40 -20 0 20 40 60 80
A m bient Tem p erature (C )
A m bien t tem perature (C )
Figure 24. Negative slew rate vs. temperature Figure 25. Negative slew rate vs. temperature
2.0
Negative Slew Rate (V/s) Negative Slew Rate (V/s)
2.0
1.5
V C C =10V
V C C =16.8V
1.5
V C C =10V
V C C =16.8V
1.0 V C C = 5.5V 0.5 B uffers A & B 0.0 -40 -20 0 20 40 60 80
1.0 V C C =5.5V 0.5 B uffers C to R 0.0 -40 -20 0 20 40 60 80
A m b ien t T em perature (C )
A m bient Tem peratu re (C )
8/15
TSL1018
Electrical characteristics
Figure 26. Negative slew rate vs. temperature Figure 27. Large signal response buffers A & B
2.0
Negative Slew Rate (V/s)
4 3
1.5
V C C =10V
V C C =16.8V
2
Vout (V)
1 0 -1
1.0
Buffers A & B V CC =10V T AMB =+25C Z L=10k //16pF
0.5
V C C =5.5V B uffer C O M
-2 -3
0.0 -40
-4
-20 0 20 40 60 80
-1
0
1
2
3
4
5
6
A m bient Tem perature (C )
Time (s)
Figure 28. Large signal response buffers A & B
4 3 2
Vout (V)
Figure 29. Large signal response buffers C to R
4 3
Vout (V)
1 0 -1 -2 -3 -4 -1 0 1 2 3
Buffers A & B V CC =10V T AMB =+25C Z L=10k //16pF
2 1 0 -1 -2 -3 Buffers C to R V CC =10V T AMB =+25C Z L=10k //16pF
4
5
6
-4 -1 0 1 2 3 4 5 6
Time (s)
Time (s)
Figure 30. Large signal response buffers C to R
4 3 2
Vout (V)
Figure 31. Large signal response buffer COM
4 3
Vout (V)
1 0 -1 -2 -3 -4 -1 0 1 2 3
Buffers C to R V CC=10V T AMB=+25C ZL=10k//16pF
2 1 0 -1 -2 -3 Buffer COM VCC=10V T AMB=+25C ZL=10k//16pF
4
5
6
-4 -1
0
1
2
3
4
5
6
Time (s)
Time (s)
9/15
Electrical characteristics
TSL1018
Figure 32. Large signal response buffer COM
4 3 2
Vout (V)
Figure 33. Small signal response buffers A & B
0.15 0.10 0.05
Vout (V)
1 0 -1 -2 -3 -4 -1 0 1 2 3
Time (s)
Buffer COM V CC =10V T AMB =+25C Z L=10k //16pF
0.00 -0.05 -0.10 -0.15
Buffers A & B V CC =10V T AMB=+25C Z L=10k //16pF V e=100mV pp
4
5
6
7
0
1
Time (s)
2
3
Figure 34. Small signal response buffers C to R
0.15 0.10 0.05
Vout (V)
Figure 35. Small signal response buffer COM
0.15 0.10 0.05
Vout (V)
0.00 -0.05 -0.10 -0.15 0
Buffers C to R V CC=10V T AMB=+25C Z L=10k//16pF V e=100mV pp
0.00 -0.05 -0.10 -0.15 0
Buffer COM V CC=10V T AMB=+25C Z L=10k//16pF V e=100mV pp
1
Time (s)
2
3
1
Time (s)
2
3
Figure 36. Output voltage response to current Figure 37. Output voltage response to current transient - buffers A & B transient - buffers A & B
2.0 Buffers A & B V CC =10V T AMB=+25C I=0mA to 30mA
Vout (V)
0.5
1.5
0.0
Vout (V)
1.0
-0.5 Buffers A & B V CC=10V T AMB=+25C I=30mA to 0mA
0.5
-1.0
0.0
-0.5 -1
0
1
Time (s)
2
3
-1.5 -1
0
1
Time (s)
2
3
10/15
TSL1018
Electrical characteristics
Figure 38.
Output voltage response to current Figure 39. Output voltage response to current transient - buffers C to R transient - buffers C to R
0.5
Buffers C to R V CC=10V T AMB=+25C I=0mA to 30mA
Vout (V)
2.0
1.5
0.0
Vout (V)
1.0
-0.5 Buffers C to R V CC =10V T AMB=+25C I=30mA to 0mA
0.5
-1.0
0.0
-0.5 -1 0 1
Time (s)
2
3
-1.5 -1
0
1
Time (s)
2
3
Figure 40. Output voltage response to current Figure 41. Output voltage response to current transient - buffer COM transient - buffer COM
5 4 3
Vout (V)
1 Buffer COM V CC =10V T AMB =+25C I=0m A to 100mA
Vout (V)
0 -1 -2 -3 -4 -5 Buffer COM V CC =10V T AMB =+25C I=100m A to 0m A
2 1 0 -1 0 2 4
Time (s)
6
8
0
2
4
Time (s)
6
8
Figure 42.
Output voltage response to current transient - buffer COM
Figure 43. Output voltage response to current transient - buffer COM
6 5 4
Vout (V)
1 0 -1
Vout (V)
Buffer COM V CC =10V T AMB =+25C I=-100mA to +100mA
-2 -3 -4 -5 -6 -5 0 5 10
Time (s)
3 2 1 0 -1 -5
Buffer COM V CC =10V T AMB=+25C I=100mA to -100mA
15
20
25
0
5
10
15
20
25
30
Time (s)
11/15
Package information
TSL1018
4
Package information
In order to meet environmental requirements, STMicroelectronics offers these devices in ECOPACK(R) packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an STMicroelectronics trademark. ECOPACK specifications are available at: www.st.com. Table 4. TQFP48 ePad package mechanical data
Dimensions Ref. Min. A A1 A2 b c D D1 D2 D3 E E1 E2 E3 e L L1 k ccc 0 0.45 8.80 6.80 2.00 5.50 0.50 0.60 1.00 3.5 7 0.08 0 0.75 0.018 0.05 0.95 0.17 0.09 8.80 6.80 2.00 5.50 9.00 7.00 9.20 7.20 0.346 0.268 0.079 0.217 0.020 0.024 0.039 3.5 7 0.003 0.030 9.00 7.00 1.00 0.22 Millimeters Typ. Max. 1.20 0.15 1.05 0.27 0.20 9.20 7.20 0.002 0.037 0.007 0.004 0.346 0.268 0.079 0.217 0.354 0.276 0.362 0.283 0.354 0.276 0.039 0.009 Min. Inches Typ. Max. 0.047 0.006 0.041 0.011 0.008 0.362 0.283
12/15
TSL1018 Figure 44. TQFP48 ePad package drawing
Package information
13/15
Ordering information
TSL1018
5
Ordering information
Table 5. Order codes
Temperature range -40C to +95C TSL1018IFT Package TQFP48 ePad Tape & reel Packing Tray SL1018I Marking
Part number TSL1018IF
6
Revision history
Date 22-Mar-2007 15-Jul-2008 Revision 1 2 Initial release. Modified ICC typical and maximum values in Table 3. Updated all curves (Figure 2 to Figure 43). Added ESD charged device model value in Table 1. Changes
14/15
TSL1018
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