SI8251-IM Silicon Laboratories Inc, SI8251-IM Datasheet - Page 7
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SI8251-IM
Manufacturer Part Number
SI8251-IM
Description
IC DIGITAL PWR CONTROLLER 32LQFP
Manufacturer
Silicon Laboratories Inc
Type
SMPS Controllerr
Specifications of SI8251-IM
Applications
Digital Power Controller
Voltage - Supply
2.25 V ~ 2.75 V
Current - Supply
26mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
28-QFN
Product
MOSFET Gate Drivers
Mounting Style
SMD/SMT
For Use With
336-1323 - KIT REFERENCE DESIGN FOR SI825X
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Voltage - Input
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI8251-IM
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
SI8251-IMR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Table 5. ADC1 Specifications
TA = –40 to +125 °C, V
Table 6. DSP Filter Engine Electrical Specifications
T
Sampling frequency
Resolution
LSB size
Differential input voltage range
Common-mode input voltage range
Integral nonlinearity
Differential nonlinearity
Gain error
Offset error
Input bias current
Standby mode supply current
Operating mode supply current
*Note: LSB size (mV) is programmable using the RES[3:0] bits in the ADC1CN register.
Resolution
Dithering
Standby mode supply current
Notes:
A
= –40 to +125 °C, V
1. Internal word length = 22 bits.
2. Up to a total 15 bits of resolution when dithering is enabled.
2
1
Parameter
Parameter
DD
DD
= 2.5 V, SYSCLK = 25 MHz, PLLCLK = 200 MHz unless otherwise specified.
= 2.5 V, SYSCLK = 25 MHz, PLLCLK = 200 MHz unless otherwise specified.
Conditions
ADCSP1 = 0
ADCSP2 = 0
ADCSP1 = 1
ADCSP2 = 0
ADCSP1 = 0
ADCSP2 = 1
ADCSP1 = 1
ADCSP2 = 1
Conditions
Disabled
Disabled
*
Rev. 1.0
Min
–32
0.8
Min
–2
–1
—
—
—
—
—
—
—
—
—
—
4
—
—
—
1.25
Typ
2.5
0.1
10
—
—
—
—
—
—
—
5
5
3
5
Typ
0.1
—
—
Si8250/1/2
Max
+31
1.3
20
+2
+1
—
—
—
—
—
—
—
—
6
3
Max
—
9
6
Units
Msps
LSB
LSB
LSB
Bits
mV
mV
mA
Units
µA
µA
%
V
Bits
Bits
µA
7