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PDF EM19110M Data sheet ( Hoja de datos )
| Número de pieza | EM19110M | |
| Descripción | 10-BIT 5 MSPS A/D CONVERTER | |
| Fabricantes | ELAN Microelectronics Corp | |
| Logotipo |  |
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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
1 page  
EM19110
10-BIT 5 MSPS A/D CONVERTER
Analog input is sampled with the falling edge of CLK and output as digital data with a delay of 2.5 clocks and
with the following rising edge. The delay from the clock rising edge to the data output is the output data delay
about 20ns.
6. /OE
By connecting /OE to GND output mode is obtained. By connecting to VDD high impedance is obtained.
7. About latch up
It is necessary that AVDD and DVDD pins be the common source of power supply. This is to avoid latch up
due to the voltage difference between AVDD and DVDD pins when power is ON.
8. Tap reference voltage
Tap reference voltage VR1 thru VR3 connect to eighth point along the reference ladder; VR1 is 1/4th up from
VRB, VR2 is 2/4th up from VRB, VR3 is 3/4th up from VRB. These pins connecting 0.1uF capacitor to VSS
can stabilize the transfer characteristic. By connecting these pins to voltage sources, the piece wise linear
transfer curve can be attained.
* This specification are subject to be changed without notice.
5.26.1997 5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet EM19110M.PDF ] | |
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