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SDA9280 Datasheet, PDF (34/43 Pages) Siemens Semiconductor Group – ICs for Consumer Electronics
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