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EM19110 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EM19110
기능 10-BIT 5 MSPS A/D CONVERTER
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EM19110 데이터시트, 핀배열, 회로
EMEM1919111100
10-BIT 510M-BSITP5SMAS/PDS AC/DOCNOVNEVRERTTEERR
GENERAL DESCRIPTION
EM19110 is a 10-bit, 5 MHZ CMOS A/D converter for high speed and high resolution use. The 2-step parallel
structures accompanying with an average technique that external generated reference voltage, the users can tune
transfer curve to meet their application.
FEATURES
• 5 MSPS maximum conversion speed
• High resolution up to 10 bit
• Built-in sampling and hold circuit
• Internal self-bias reference voltage
• 115 mW low power dissipation at 5MSPS
• +5V single power supply
• Available in 24 pin SOP
• Series
EM19110M for 300 mil SOP
APPLICATION
Precision scanner, digital cellular phone and a wide range of fields where high speed and high resolution A/D
conversion is required in the digital communication.
PIN ASSIGNMENT
EM19110
OE
D0(LSB)
D1
D2
D3
D4
D5
D6
D7
D8
D9(MSB)
CLK
1
2
3
4
5
6
7
8
9
10
11
12
24 DVSS
23 VRB
22 VRBS
21 AR1
20 AVSS
19 VIN
18 AVDD
17 VR2
16 VR3
15 VRT
14 VRTS
13 DVDD
* This specification are subject to be changed without notice.
5.26.1997 1




EM19110 pdf, 반도체, 판매, 대치품
TIMING DIAGRAM
Clock
Analog input
Data output
EM19110
10-BIT 5 MSPS A/D CONVERTER
N
N+1
N+2
N+3
N-3 N-2 N-1
N
N+4
N+1
Application Note
1. AVDD ,DVDD ,VSS
To reduce noise effects, separate the analog and digital systems close to the device. For both the digital and
analog VDD pins, use a ceramic capacitor of about 0.1uF set as close as possible to the pin to bypass to the
respective GND’s.
2. Signal input Vi
Compared with the flash type A/D converter, the input capacitance of the analog input is rather small. However
it is necessary to conduct the drive with an amplifier featuring sufficient band and drive capability. When
driving with an amplifier of low output impedance, parasite oscillation may occur. That may be prevented by
inserting a resistance of about 100( in series between the amplifier output and A/D input.
3. Clock input
The clock line wiring should be as short as possible also, to avoid any interference with other signals, separate
it from other circuits.
4. Reference voltage
Voltage between VRT to VRB is compatible with the dynamic range of the analog input. Bypassing VRT and
VRB pins to GND, by means of a capacitor about 0.1uF, stable characteristics are obtained. By shorting VRT
and VRTS, VRB and VRBS, the self bias function that generates VRT=4.0V and VRB=1.0V, is activated.
Also, the users can setup external reference voltage by just connecting VRT and VRB to desired DC voltage
under spec.
5. Clock timing
* This specification are subject to be changed without notice.
5.26.1997 4

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부품번호상세설명 및 기능제조사
EM19110

10-BIT 5 MSPS A/D CONVERTER

ELAN Microelectronics Corp
ELAN Microelectronics Corp
EM19110M

10-BIT 5 MSPS A/D CONVERTER

ELAN Microelectronics Corp
ELAN Microelectronics Corp

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