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PDF TSL1020 Data sheet ( Hoja de datos )
| Número de pieza | TSL1020 | |
| Descripción | 20 + 1 channel buffers for TFT-LCD panels | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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TSL1020
20 + 1 channel buffer for TFT-LCD panels
Features
■ Wide supply voltage: 5.5V to 16.8V
■ Low operating current: 8.5mA typ. at 25°C
■ Bandwidth at -3dB: 5MHz
■ High output current COM amplifier: ±150mA
■ Industrial temperature range: -40°C to +95°C
■ Small package: TQFP48 ePad
Application
■ TFT liquid crystal display (LCD)
Description
The TSL1020 is composed of 20 + 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, up to ±150mA. Amplifiers A and B feature
positive single supply inputs for common mode
voltage, thus can be used for the highest gamma
voltages. The amplifiers C to T inclusive, and the
COM amplifier, feature negative single supply
inputs and are dedicated to the lowest gamma
voltages.
The TSL1020 is fully characterized and
guaranteed over a wide industrial temperature
range (-40 to +95°C).
7 x 7mm TQFP48 ePad
Pin connections (top view)
48 47 46 45 44 43 42 41 40 39 38 37
1
2
3
4
5
6
VSS 7
8
9
10
11
12
T
S
Q
P
O
N
M
L
K
J
I
R
H
G
F
E
D
C
B
A
36
35
34
33
32
31
30 VDD
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
January 2008
Rev 1
1/16
www.st.com
16
1 page  
TSL1020
Electricwawl cwh.DaaratacStheereist4tUic.csom
Figure 2. Supply current vs. supply voltage Figure 3. Output offset voltage (eq. Vio) vs.
for various temperatures
temperature
12 0.0
11 T =-40°C
AMB
10 T =+25°C
AMB
9
-0.1
-0.2
8
7 T =+95°C
AMB
6
4 6 8 10 12 14 16 18
Power supply voltage (V)
-0.3
V = 5.5V, 10V, 16.8V
CC
-0.4
-40 -20
0 20 40 60
Temperature (°C)
80 100
Figure 4.
60
55
50
Input current (Iib) vs. temperature
Figure 5.
60
55
50
Input current (Iib) vs. temperature
Amplifiers
C to COM, PNP Inputs
V = 5.5V, 10V, 16.8V
CC
45 45
40
Amplifiers
35 A & B, NPN Inputs
V = 5.5V, 10V, 16.8V
CC
30
-40 -20
0
20 40 60
Temperature (°C)
80 100
40
35
30
-40 -20
0 20 40 60
Temperature (°C)
80 100
Figure 6. Output current capability vs.
temperature
Figure 7. Output current capability vs.
temperature
200
160
120
80
40
0
V = 5.5V
CC
V = 10V
CC
-40
V = 16.8V
CC
-80
-120 Amplifiers A & B
-160
-200
-40 -20
0 20 40 60
Temperature (°C)
80 100
80
40
0
V = 5.5V
CC
-40
V = 10V, 16.8V
CC
-80 Amplifiers C to T
-40 -20
0 20 40 60
Temperature (°C)
80 100
5/16
5 Page 
TSL1020
Electricwawl cwh.DaaratacStheereist4tUic.csom
Figure 38. Small signal response -
Amplifier COM
0.15
0.10
0.05
0.00
Amplifiers COM
V =10V
CC
T =+25°C
AMB
Z =10kΩ//16pF
L
V =100mV
e pp
-0.05
-0.10
-0.15
0
12
Time (µs)
3
Figure 39. Output voltage response to current
transient - Amplifiers A & B
2.0
Amplifiers A & B
1.5 V =10V
CC
T =+25°C
AMB
ΔI=0mA to 30mA
1.0
0.5
0.0
-0.5
-1
012
Time (µs)
3
Figure 40. Output voltage response to current Figure 41. Output voltage response to current
transient - Amplifiers A & B
transient - Amplifiers C to T
0.5 2.0
Amplifiers C to T
1.5 V =10V
0.0
CC
T =+25°C
AMB
ΔI=0mA to 30mA
1.0
-0.5
Amplifiers A & B
0.5
-1.0
V =10V
CC
T =+25°C
AMB
0.0
ΔI=30mA to 0mA
-1.5
-1
012
Time (µs)
-0.5
3 -1
012
Time (µs)
3
Figure 42. Output voltage response to current Figure 43. Output voltage response to current
transient - Amplifiers C to T
transient - Amplifier COM
0.5 5
4 Amplifiers COM
V =10V
0.0
CC
T =+25°C
3
AMB
ΔI=0mA to 100mA
-0.5 2
-1.0
-1.5
-1
Amplifiers C to T
V =10V
CC
T =+25°C
AMB
ΔI=30mA to 0mA
012
Time (µs)
3
1
0
-1
0
246
Time (µs)
8
11/16
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TSL1020.PDF ] | |
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