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ADD8502 Scheda tecnica(PDF) 2 Page - Analog Devices

Il numero della parte ADD8502
Spiegazioni elettronici  Integrated LCD Grayscale Generator
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

ADD8502 Scheda tecnica(HTML) 2 Page - Analog Devices

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REV. 0
–2–
ADD8502–SPECIFICATIONS
RL
100
CL
16nF
VCOM
Figure 1. Slew Rate Diagram
(@ VDD = 5.0 V,
40 C
T
A
85 C, unless otherwise noted.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
SYSTEM ACCURACY
VOUT Error
320
mV
Swing Error
1
(VPn – VNn) – (VPi – VNi)1
17
mV
Mean Error
2
(VPn+ VNn)/2 – (VPi + VNi)/2)
3
21
mV
Mean Error between Adjacent Channels
3
321
mV
Mean Error between V0 and V4
4
325
mV
DAC ACCURACY
Resolution
10
Bits
Differential Nonlinearity
DNL
±0.25
LSB
Integral Nonlinearity
5
INL
±0.5
LSB
Offset Error
±0.4
% of FSR
Gain Error
±0.15
% of FSR
OUTPUT CHARACTERISTICS
Output Current
IOUT
(VDD – 1 V)
25
mA
Short Circuit Current
ISC
Short to Ground
60
mA
Output Leakage Current in High-Z Mode
ILEAKAGE
High-Z Mode
0.01
1.0
µA
Slew Rate
SR
RL = 100 k
1.25
V/
µs
Settling Time to 1%
tS
V0 to V4 Step Size
8
12
µs
Slew Rate
5
SR
LD =100
Ω Series 16 nF
0.7
V/
µs
Settling Time to 1%5
tS
V0 to V4 Step Size
8
12
µs
Phase Margin
φo67
Degrees
VCOM SWITCHES ACTIVE IMPEDANCE
COM to VDD
Z
See Table IV
25
50
COM to GND
Z
25
50
COM to COM_M
Z
I = 20 mA
25
50
COM to V4
Z
25
50
MASK PROGRAMMABLE
RESISTOR CHAIN
Resistor Matching
RMATCH
Any Two Segments between
1
%
512 Resistor String
POWER SUPPLY
Supply Voltage
VDD
4.5
5
5.5
V
Supply Current
ISY
VDD = 5 V; No Load
190
270
400
µA
Shutdown Supply Current
ISY-GLB
Full Shutdown Mode
0.2
1
µA
Sleep Supply Current
ISY-GS1-3
Mid 3 Buffers Shutdown
140
175
210
µA
Shutdown Recovery Time
Global PD to 1%
23
30
µs
Sleep Recovery Time
V1–V3 Off to 1%
10
15
µs
LOGIC SUPPLY
Logic Input Voltage Level
VL
2.3
3.3
5.5
V
Logic Input Current
IVL
0.01
1
µA
DIGITAL I/O
Digital Input High Voltage
VIH
VL
0.7
V
Digital Input Low Voltage
VIL
VL
0.3
V
Digital Input Current
IIN
GND
≤ V
IN
≤ 5.5 V
±1
µA
Digital Input Capacitance
CIN
10
pF
NOTES
1Swing error is a comparison of measured V
OUT step versus theoretical VOUT step. Theoretical values can be found on the Mask Tap Point Option sheet.
2Mean error is measured V
OUT mean versus theoretical VOUT mean (see Figure 3).
3Mean errors between two adjacent channels versus theoretical (see Figure 3).
4Mean errors between V0 and V4 versus theoretical (see Figure 3).
5Slew rate and settling time are measured between the output resistor and the capacitor (see Figure 1) .
Specifications subject to change without notice.


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