MIC5400_05 Datasheet, PDF (4/10 Pages) Micrel Semiconductor – Dual, 8-Output, 14-Bit LED Video Display Driver

MIC5400
Test Circuit
V_DD = 5V
Controller
Device
Under Test
OUT_N
75Ω
V_OUT to FET Probe (C < 1.5pF)
Figure 1. AC Output Test Circuit
Timing Diagrams
SHFTCLK
LOAD
Control Register Contents
D_N-1 D_N
Shift Register Contents Shifting D_N D_N S_N
Shifting
Status Register Contents
S_N S_N
S_N S_N+1
Figure 2. MIC5400 Timing Diagram
Linearity
Typical Global Full Scale Linearity
(any output)
45
40
Linear Operating Region
(Recommended)
35
30
25
Non-Linear
Operation
20
15
10
T_J = 25°
5
1.5 2 2.5 3 3.5 4 4.5 5 5.5
I_REF (mA)
Figure 3. Typical Global Full Scale Linearity
Micrel
MIC5400
4
January 2005