|
|
PDF CS1242 Data sheet ( Hoja de datos )
| Número de pieza | CS1242 | |
| Descripción | Analog-to-Digital (A/D) converter | |
| Fabricantes | Shenzhen | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de CS1242 (archivo pdf) en la parte inferior de esta página. Total 28 Páginas | ||
|
No Preview Available !
CS1242 Specification
www.DataSheet4U.com
CS1242 Specification
May.2005
Copyright Reserved
Shenzhen Chipsea Technologies CO., LTD.
www.chipsea.com
1 -28
1 page  
CS1242 Specification
1.3 DESCRIPTION
The CS1242 principle block diagram is shown in Figure 1.
The CS1242 is a 24 bits Sigma-Delta analog-to-digital converter chip with high accuracy and low
power dissipation. The CS1242 works from 2.7V to 5.5V power supplies with 21 bits ENOB.
The input channels are multiplexed, and analog input buffer can be selected to provide very high input
impedance or direct input.
The Programmable Gain Amplifier (PGA) provides selectable gains from 1 to 128 with 18 bits ENOB
www.DataSheet4U.com at the gain of 128. The A/D conversion is performed with a second-order Sigma-Delta modulator, and
programmable FIR filter that provides a simultaneous 50Hz and 60Hz notch, which effectively
improve the interference immunity.
The CS1242 provides SPI compatible serial interface bus.
VREFP VREFN
MCLK XTAL
Clock
generater
AIN0
AIN1
AIN2
AIN3
MUX
BUF
Register
PGA
2nd-order
modulator
Digital
filter
Controller
Serial
Interface
SCLK
SDI
SDO
Figure 1
CS1242 Principle Block Diagram
Copyright Reserved
Shenzhen Chipsea Technologies CO., LTD.
www.chipsea.com
5 -28
5 Page 
CS1242 Specification
2.5 TIMING CHARACTERISTICS
The timing diagram is shown in Figure 3, and particular description refers to Table7.
CS
SCLK
(POL=0)
SCLK
www.DataSheet4U.com(POL=1)
SDI
tcs1
tds
MSB
ts
tdh
SDO
Note: (1) Bit orde=r 0;
LSB
tspw tcs2
t t tdio spw sdelay
tdso
MSB(1)
tdsoh
tdsot
LSB(1)
SCLK Reset
Waveform
t2
SCLK
t1
CS1242Reset On the
falling Edge
t2
300* tosc < t1 < 500* tosc
t2 => 5 * tosc
550* tosc < t3 < 750* tosc
1050* tosc < t4 <1250* tosc
t3 t4
DRDY
SCLK
tDATA
t6
t8
t7
RST,SYNC , PD
Figure 3
Timing Diagram
t5
Copyright Reserved
Shenzhen Chipsea Technologies CO., LTD.
www.chipsea.com
11 -28
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet CS1242.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CS1242 | Analog-to-Digital (A/D) converter | Shenzhen |
| CS1243 | CS1243 Specification | Shenzhen |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |