XE8000EV121 Semtech, XE8000EV121 Datasheet - Page 8

• Manufacturer Part Number: XE8000EV121
• Description: BOARD EVAL FOR SX8723/24
• Manufacturer: Semtech

Specifications of XE8000EV121

• Main Purpose: Interface, Sensor to ADC Interface, Programmable
• Embedded: No
• Utilized Ic / Part: SX8723, SX8724, SX8725
• Primary Attributes: Signal Conditioning for Bridge-Type Sensors
• Secondary Attributes: GUI, Up to 16-Bit, Programmable Gain of 1/12 ~ 1000, I2C Interface
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADVANCED COMMUNICATIONS & SENSING
Timing Characteristics
Notes:
(1) All timing specifications are referred to VILmin and VIHmax voltage levels defined for the SCL and SDA pins.
(2) The READY pulse indicates End of Conversion. This is a Low going pulse of duration equal to one cycle of the ADC sampling rate.
2-WIRE Timing Waveforms
V1.8 © 2009 Semtech Corp.
Interrupt (Ready) timing specification
READY pulse width (2)
2-WIRE timing specifications(1)
SCL clock frequency
SCL low period
SCL high period
Data setup time
Data hold time
Repeated start setup time
Start condition hold time
Stop condition hold time
Bus free time between stop and start
Input glitch suppression
Parameter
SDA
SCL
SCL
SDA
t
f
t
t
t
t
t
t
t
t
t
IRQ
SCL
LOW
HIGH
SU;DAT
HD;DAT
SU;STA
HD;STA
SU;STO
BUF
SP
Symbol
Figure 1 - 2-WIRE Start and Stop timings
t
LOW
Figure 2 - 2-WIRE Data timings
t
ZoomingADC™ for Pressure and Temperature Sensing
SU;STA
Comments / Conditions
t
t
HD;STA
HIGH
8
t
HD;DAT
t
SU;DAT
t
SU;STO
t
Min
100
1.3
0.6
0.6
0.6
0.6
1.3
SP
50
0
0
t
BUF
Typ
1
www.semtech.com
Max
400
SX8725
Unit
1/F
kHz
µs
µs
ns
ns
µs
µs
µs
µs
ns
S