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EM19100S fiches techniques PDF

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

Numéro de référence EM19100S
Description 8-BIT 20 MSPS VIDEO A/D CONVERTER (CMOS)
Fabricant ELAN Microelectronics Corp 
Logo ELAN Microelectronics Corp 





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EM19100S fiche technique
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

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