파트넘버.co.kr EM19100 데이터시트 PDF


EM19100 반도체 회로 부품 판매점

8-BIT 20 MSPS VIDEO A/D CONVERTER (CMOS)



ELAN Microelectronics Corp 로고
ELAN Microelectronics Corp
EM19100 데이터시트, 핀배열, 회로
EMEM1911910000
8-BIT 20 MS8-PBSITV20IDMESPOS AVI/DDECO OA/NDVCOENRVTEERRTE(RC(MCMOOSS))
GENERAL DESCRIPTION
EM19100 is an 8-bit CMOS A/D converter for video use. The adoption of a 2-step parallel system achieves low
consumption at a maximum conversion speed of 20 MSPS typical.
FEATURES
• 20MSPS maximum conversion speed
• Build-in sampling and hold circuit
• Internal self-bias reference voltage
• 90mW power dissipation at 20MSPS
• +5V single power supply
• Available in 24 pin SOP
• Series
EM19100M for 300 mil SOP
EM19100S for 209 mil SOP
APPLICATION
TV,VCR digital systems and a wide range of fields where high speed A/D conversion is required.
PIN ASSIGNMENT
FUNCTIONAL BLOCK DIAGRAM
EM19100
OE
DVSS
D0
D1
D2
D3
D4
D5
D6
D7
DVDD
CLK
1
2
3
4
5
6
7
8
9
10
11
12
24 DVSS
23 VRB
22 VRBS
21 AVSS
20 AVSS
19 VIN
18 AVDD
17 VRT
16 VRTS
15 AVDD
14 AVDD
13 DVDD
/OE 1
DVSS 2
D0 3
D1 4
D2 5
D3 6
D4 7
D5 8
D6 9
D7 10
DVDD 11
CLK 12
Lower data
latches
Upper data
latches
Lower encoder
(4bit)
Lower encoder
(4bit)
Upper encoder
(4bit)
Clock generator
Reference voltage
Lower
Comparators with
S/ H (4bit)
Lower
Comparators with
S/ H (4bit)
Upper
Comparators with
S/ H (4bit)
24 DVSS
23 VRB
22 VRBS
21 AVSS
20 AVSS
19 VIN
18 AVDD
17 VRT
16 VRTS
15 AVDD
14 AVDD
13 DVDD
* This specification are subject to be changed without notice.
1.26.1996 1


EM19100 데이터시트, 핀배열, 회로
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~
Clock
EM19100
8-BIT 20 MSPS VIDEO A/D CONVERTER (CMOS)
Digital Output Code
00000000
00000001
00000010
....
10000000
10000001
....
11111110
11111111
Conditions
VRB=0.6V
VRT=2.6V
1LSB=7.8125mV
Analog input
N
N+1
N+4
N+2 N+3
Data output
N-3 N-2 N-1
N
N+1
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
Items
Sym.
Supply voltage
Operating temperature
Input voltage
Ref, Input voltage
VDD
TOPR
VIN
V ,V
RT RB
Rating
7
-20 to +65
VSS to VDD
V to V
SS DD
Unit
V
°C
V
V
(FC=20MPS,VDD=5V,VRB=0.5V,VRT=2.5V,Ta=25 deg.)
Parameter
Sym. Conditions
Maximum Conversion Speed
Supply current
Reference pin current
Analog input bandwidth
FC
IDD
IREF
BW
Vin=0.6V to 2.6V fin=1kHz ramp
FC=20MSPS NTSC ramp wave input
Analog input capacitance
Reference resistance
Internal bias
Offset Voltage
Digital input voltage
Digital input current
CIN
RREF
VRB
VRT-VRB
EOT
EOB
VIH
VIL
IIH
IIL
VIN=1.5V+0.07Vrms
Short VRB and VRBS
Short VRT and VRTS
VDD=max.
VIL=0V
VIH=VDD
* This specification are subject to be changed without notice.
Min.
5.7
220
0.55
1.9
-10
0
4.0
Typ. Max.
20
12 17
8.0 9.1
10
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
V
mV
V
uA
1.26.1996 2




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제조업체: ELAN Microelectronics Corp

( elan )

EM19100 converter

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