MIC3003 Datasheet, PDF (19/75 Pages) Micrel Semiconductor – FOM Management IC with Internal Calibration

Micrel, Inc.
MIC3003
Channel
TEMP
VAUX
VMPD
VILD
VRX
ADC Resolution
(bits)
8 or 9
8
8
8
12
Conditions
GAIN = 0; BIASREF = 0
GAIN = 0; BIASREF = 1
GAIN = 1; BIASREF = 0
GAIN = 1; BIASREF = 1
VILD- = VDDA
VILD- = GNDA
RXPOT = 00
Input Range (V)
N/A
See Table 6
GNDA - V_REF
V_DDA – (V_DDA – V_REF)
GNDA - V_REF/4
V_DDA – (V_DDA – V_REF/4)
V_DDA – (V_DDA – V_REF)
GNDA - V_REF
0 - V_REF
Note:
Table 5. A/D Input Signal Ranges and Resolutions
1. Assumes typical VREF value of 1.22V.
Channel
V_IN
V_DDA
V_BIAS
V_MOD
APCDAC
MODDAC
FLTDAC
VAUX [2:0]
000 = 00_h
001 = 01_h
010 = 02_h
011 = 03_h
100 = 04_h
101 = 05_h
110 = 06_h
Input Range (V)
0.5V to 5.5V
0.5V to 5.5V
0.5V to 5.5V
0.5V to 5.5V
0V to V_REF
0V to V_REF
0V to V_REF
LSB⁽¹⁾ (mV)
25.6mV
25.6mV
25.6mV
25.6mV
4.77mV
4.77mV
4.77mV
Table 6. V_AUX Input Signal Ranges and Resolutions
Note:
1. Assumes typical V_REF value of 1.22V.
LSB⁽¹⁾
1°C or 0.5°C
4.77mV
1.17mV
4.77mV
0.298mV
Alarms and Warnings Interrupt Source Masking
Alarm and warning violations set the flags in the Alarm
and Warning Status Registers, and also assert the
interrupt output if they are not masked. If an alarm or
warning is masked, it will not set the interrupt. Table 8
shows the locations of the masking bits. The warning or
alarm is masked if the corresponding bit is set to 1.
November 2009
19
M9999-111209-C
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