SI8900 Datasheet, PDF (4/32 Pages) Silicon Laboratories – ISOLATED MONITORING ADC

Si8900/1/2
1. Electrical Specifications
Table 1. Recommended Operating Conditions
Parameter
Symbol
Condition
Min Typ Max Unit
Input Side Supply Voltage V_DDA
With respect to GND1
2.7
—
3.6
V
Input Side Supply Current
I_DDA
V_DDA = 3.3 V, Si890x active
—
10 13.3 mA
V_DDA = 3.3 V, Si890x idle
—
8.6 11.4
Output Side Supply Voltage V_DDB
With respect to GND2
2.7
—
5.5
V
Output Side Supply Current I_DDB V_DDB = 3.3 V to 5.5 V, Si890x active —
4.4
5.8
mA
V_DDB = 3.3 V to 5.5 V, Si890x idle
—
3.3
3.9
Operating Temperature
T_A
–40
—
+85
°C
Table 2. Electrical Specifications
Parameter
ADC
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Full Scale Error
Offset Tempco
Input Voltage Range
Sampling Capacitance
Input MUX Impedance
Power Supply
Rejection
Reference Voltage
VREF Supply Current
ADC Conversion Time
Symbol
Test Condition
Min
R
INL
VREF = 2.4 V
—
DNL
VREF = 2.4 V,
—
Guaranteed Monotonic
OFS
–2
FSE
–2
T_OS
—
V_IN
0
C_IN
—
R_MUX
—
PSRR
—
V_REF
Default V_REF = V_DDA
0
I_VREF
—
t_CONV
Typ
Max Unit
10
±0.5
±0.5
0
0
45
5
5
–70
—
12
2
bits
±1
LSB
±1
LSB
+2
+2
—
V_REF
—
—
—
LSB
LSB
ppm/°C
V
pF
k
dB
V_DDA
V
—
µA
µs
4
Rev. 1.1