GDC21D003 Ver la hoja de datos (PDF) - Hyundai Micro Electronics
Número de pieza
componentes Descripción
Fabricante
GDC21D003 Datasheet PDF : 77 Pages
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GDC21D003
6.1.1 Electrical Characteristics
DC & AC Characteristics
Symbol
Parameters
(Temp = 25°C, DVDD = 3.3V, AVDD = 3.3V, COM = 1.5V)
Conditions
Min. Typ. Max. Measure Unit
Value
INN,INP Analog Input Voltage
Idd
Normal Operation
INL
Integral
Non-Linearity
DNL
Differential
Non-Linearity
SNR
Signal-to-Noise Ratio
Fs
Sampling Clock
Frequency
Differential
1.7± 0.5
Fs = 10.76 Msps
Input = 1.7± 0.5V
Fs = 10.76 Msps
Input = 1.7± 0.5V
(Fin*=12.2KHz sine)
Fs = 10.76 Msps
Input = 1.7± 0.5V
(Fin =12.2KHz sine)
Fs = 10.76 Msps
Fin = 100KHz
1
2
25
± 4 ±6
±1 ±2
44
48
10.76
Vpp
mA
LSB
LSB
dB
MHz
Ci**
Input Pin Capacitance INP = 1.7V
10
pF
INN = 1.7V
Rref
Reference Resistance
12
kΩ
VREFP*** Reference
Top Voltage
2.15 2.2 2.4
V
VREFN*** Reference Bottom
Voltage
1.15 1.2 1.4
V
(NOTE) * Fin is input frequency.
** Ci = 1pF(pin capacitance) + 5pF(I/O pad capacitance)
+ 4.5pF(capacitance at the input sampling)
*** VREFP, VREFN values should be used as a pair.
Analog Input Voltage Level vs. Digital Output Code
Input Voltage Level
VREFP
.
.
.
.
.
.
VREFN
Step
1023
.
.
512
511
.
.
0
MSB
11
10
01
00
Digital Output Code
111111
.
.
000000
111111
.
.
000000
LSB
11
00
11
00
30
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