EM19101M Ver la hoja de datos (PDF) - ELAN Microelectronics
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componentes Descripción
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EM19101M Datasheet PDF : 6 Pages
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EM19101
8-BIT 5 MSPS A/D CONVERTER (CMOS)
OUTPUT CODING
Step
0
1
2
....
124
125
....
254
255
Analog Input (V)
0.607815
0.607815~0.6156250
0.6156250~0.6234375
....
1.6000000~1.6078125
1.6078125~1.6156250
....
2.5843750~2.5921875
2.5921875~
Digital Output Code
00000000
00000001
00000010
....
10000000
10000001
....
11111110
11111111
Conditions
VRB=0.6V
VRT=2.6V
1LSB=7.8125mV
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
Items
Sym.
Rating
Unit
Supply voltage
VDD
7
V
Operating temperature
TOPR
-20 to +65
°C
Input voltage
V
V to V
V
IN
SS
DD
Ref, Input voltage
VRT,VRB
VSS to VDD
V
Recommended Poerating Conditions
Items
Sym.
Rating
Unit
Supply voltage
AVDD,AVSS
4.75 TO 5.25
V
DVDD,DVSS
|DGND-AGND|
0 to 100
mV
Reference input voltage VRB
0 and above
V
VRT
VDD and below
V
VRT - VRB
1.0 to 3.0
V
Analog input voltage
V
V to V
V
IN
RB
RT
(FC=5MPS,VDD=5V,VRB=0.5V,VRT=2.5V,Ta=25°C External clock duty=40 to 60%)
Parameter
Sym. Conditions
Min.
Maximum Conversion Speed F
Vin=0.6V to 2.6V fin=1kHz ramp
C
Supply current
IDD
FC=5MSPS NTSC ramp wave input
Reference pin current
I
5.7
REF
Analog input bandwidth
BW
Analog input capacitance
CIN
VIN=1.5V+0.07Vrms
Reference resistance
R
220
REF
Internal bias
VRB
Short VRB and VRBS
0.55
V -V Short V and V
1.9
RT RB
RT
RTS
Offset Voltage
EOT
-10
EOB
0
Digital input voltage
V
4.0
IH
VIL
Digital input current
I
V =max.
IH
DD
V =V
IH DD
IIL
VIL=0V
Typ. Max.
5
10 15
8.0 9.1
1
11
250 350
0.6 0.65
2.0 2.1
-35 -60
15 45
1.0
5
5
Unit
MSPS
mA
mA
MHz
pF
Ω
V
mV
V
uA
* This specification are subject to be changed without notice.
4.23.1997 3
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