LH168R Ver la hoja de datos (PDF) - Sharp Electronics
Número de pieza
componentes Descripción
Fabricante
LH168R Datasheet PDF : 19 Pages
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LH168R
Output Voltage Value
Two voltages are selected from all of the reference
voltages (V0-V256) by the upper 3-bit data (D7, D6
and D5) of the 8-bit input data (D7, D6, D5, D4, D3,
D2, D1 and D0) taken by time sharing, and
intermediate value is determined by the lower 5-bit
data (D4, D3, D2, D1 and D0).
The Vi is a reference voltage (VHi or VLi) that is
determined by the polarity exchange input (REV).
Relation between input data and output voltage
values is shown below.
(i = 0, 32, 64, 96, 128, 160, 192, 224, 256)
INPUT
DATA
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
POLA (POLB) = "L"
V0
V32 + (V0 – V32) x 31/32
V32 + (V0 – V32) x 30/32
V32 + (V0 – V32) x 29/32
V32 + (V0 – V32) x 28/32
V32 + (V0 – V32) x 27/32
V32 + (V0 – V32) x 26/32
V32 + (V0 – V32) x 25/32
V32 + (V0 – V32) x 24/32
V32 + (V0 – V32) x 23/32
V32 + (V0 – V32) x 22/32
V32 + (V0 – V32) x 21/32
V32 + (V0 – V32) x 20/32
V32 + (V0 – V32) x 19/32
V32 + (V0 – V32) x 18/32
V32 + (V0 – V32) x 17/32
V32 + (V0 – V32) x 16/32
V32 + (V0 – V32) x 15/32
V32 + (V0 – V32) x 14/32
V32 + (V0 – V32) x 13/32
V32 + (V0 – V32) x 12/32
V32 + (V0 – V32) x 11/32
V32 + (V0 – V32) x 10/32
V32 + (V0 – V32) x 9/32
V32 + (V0 – V32) x 8/32
V32 + (V0 – V32) x 7/32
V32 + (V0 – V32) x 6/32
V32 + (V0 – V32) x 5/32
V32 + (V0 – V32) x 4/32
V32 + (V0 – V32) x 3/32
V32 + (V0 – V32) x 2/32
V32 + (V0 – V32) x 1/32
OUTPUT VOLTAGE
POLA (POLB) = "H"
V256 + (V224 – V256) x (0.99 – 0.99 x 6.61/8.96)/2.13
V256 + (V224 – V256) x (0.99 – 0.99 x 5.74/8.96)/2.13
V256 + (V224 – V256) x (0.99 – 0.99 x 4.87/8.96)/2.13
V256 + (V224 – V256) x (0.99 – 0.99 x 4/8.96)/2.13
V256 + (V224 – V256) x (0.99 – 0.99 x 3/8.96)/2.13
V256 + (V224 – V256) x (0.99 – 0.99 x 2/8.96)/2.13
V256 + (V224 – V256) x (0.99 – 0.99 x 1/8.96)/2.13
V256 + (V224 – V256) x (1.44 – 0.45 x 8/8)/2.13
V256 + (V224 – V256) x (1.44 – 0.45 x 7/8)/2.13
V256 + (V224 – V256) x (1.44 – 0.45 x 6/8)/2.13
V256 + (V224 – V256) x (1.44 – 0.45 x 5/8)/2.13
V256 + (V224 – V256) x (1.44 – 0.45 x 4/8)/2.13
V256 + (V224 – V256) x (1.44 – 0.45 x 3/8)/2.13
V256 + (V224 – V256) x (1.44 – 0.45 x 2/8)/2.13
V256 + (V224 – V256) x (1.44 – 0.45 x 1/8)/2.13
V256 + (V224 – V256) x (1.8 – 0.36 x 8/8)/2.13
V256 + (V224 – V256) x (1.8 – 0.36 x 7/8)/2.13
V256 + (V224 – V256) x (1.8 – 0.36 x 6/8)/2.13
V256 + (V224 – V256) x (1.8 – 0.36 x 5/8)/2.13
V256 + (V224 – V256) x (1.8 – 0.36 x 4/8)/2.13
V256 + (V224 – V256) x (1.8 – 0.36 x 3/8)/2.13
V256 + (V224 – V256) x (1.8 – 0.36 x 2/8)/2.13
V256 + (V224 – V256) x (1.8 – 0.36 x 1/8)/2.13
V256 + (V224 – V256) x (2.13 – 0.33 x 8/8)/2.13
V256 + (V224 – V256) x (2.13 – 0.33 x 7/8)/2.13
V256 + (V224 – V256) x (2.13 – 0.33 x 6/8)/2.13
V256 + (V224 – V256) x (2.13 – 0.33 x 5/8)/2.13
V256 + (V224 – V256) x (2.13 – 0.33 x 4/8)/2.13
V256 + (V224 – V256) x (2.13 – 0.33 x 3/8)/2.13
V256 + (V224 – V256) x (2.13 – 0.33 x 2/8)/2.13
V256 + (V224 – V256) x (2.13 – 0.33 x 1/8)/2.13
V224
8
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