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SDA9280 Datasheet, PDF (34/43 Pages) Siemens Semiconductor Group – ICs for Consumer Electronics | |||
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SDA 9280 B22
3.1 Recommended Operating Conditions
Parameter
Symbol
Limit Values Unit Remark
min. nom. max.
Supply voltages
Ambient temperature
All TTL Inputs
VDDxx
VCCxx
TA
4.75 5
0
25
5.25 V
70 °C
H-input voltage
VIH
2.0
L-input voltage
VIL
0
Serial Clock TTL Input SCA
VDD V
0.8 V
SCA clock frequency fSCA
0.02 27 30 MHz
SCA low time
tLOW
10
ns Rise/fall time ⥠5 ns
SCA high time
tHIGH
10
ns
Line Locked Clock TTL Input CLL
CLL clock frequency fCLL
6
27 30 MHz
CLL low time
tLOW
10
ns Rise/fall time ⥠5 ns
CLL high time
tHIGH
10
ns
SCA-CLL skew time tSK
0
15 ns Diagram on page 40
Digital to Analog Conversion
DAC sample rate
4.5 54 80 MHz
RREF output current IREF
-17 -14 -11 mA
VREF input voltage
VVREF 1.8 2.1 2.4 V
I2C Bus (All Values are Referred to min.(VIH) and max.(VIL))
H-input voltage
VIH
3
VDD V
L-input voltage
VIL
0
1.5 V
SCL clock frequency fSCL
0
100 kHz
Inactive time before tBUF
4.7
µs
start of transmission
Set-up time start
tSU;STA 4.7
µs
condition
Hold time start
tHD;STA 4.0
µs
condition
SCL low time
tLOW
4.7
µs
Semiconductor Group
34
1998-02-01
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