Datasheet

TPS65930/TPS65920
SWCS037G–MAY 2008– REVISED APRIL 2011 www.ti.com
8 MADC
8.1 General Description
The TPS65920/TPS65930 device provides the MADC resource to the host processors in the system
(hardware and software conversion modes).
The MADC generates interrupt signals to the host processors. Interrupts are handled primarily by the
MADC internal secondary interrupt handler and secondly at the upper level (outside the MADC) by the
TPS65920/TPS65930 interrupt primary handler.
8.2 MADC Electrical Characteristics
Table 8-1 lists the electrical characteristics of the MADC.
Table 8-1. MADC Electrical Characteristics
Parameter Conditions Min Typ Max Unit
Resolution 10 Bit
ADIN2 input dynamic range for external input 0 2.5 V
MADC voltage reference 1.5 V
ADIN0 differential nonlinearity –1 1 LSB
ADIN0 integral nonlinearity Best fitting –2 2 LSB
Best fitting for codes 230 to maximum –2 2 LSB
Integral nonlinearity for ADIN2
Best fitting considering offset of 25 LSB –3.75 3.75 LSB
Offset Best fitting –28.5 28.5 mV
Input bias 1 μA
Input capacitor C
BANK
10 pF
Maximum source input resistance Rs (for all 16 100 kΩ
internal or external inputs)
Input current leakage (for all 16 internal or external 1 μA
inputs)
78 MADC Copyright © 2008–2011, Texas Instruments Incorporated
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