LM3S9B81 Datasheet, PDF (1103/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Stellaris® LM3S9B81 Microcontroller
25.2.13
Universal Serial Bus (USB) Controller
The Stellaris^® USB controller AC electrical specifications are compliant with the Universal Serial
Bus Specification Rev. 2.0 (full-speed and low-speed support) and the On-The-Go Supplement to
the USB 2.0 Specification Rev. 1.0.
25.2.14 Analog Comparator
Table 25-41. Analog Comparator Characteristics
Parameter Parameter Name
Min
Nom
Max
Unit
V_OS
Input offset voltage
-
±10
±25
mV
V_CM
Input common mode voltage range
0
-
V_DD-1.5
V
C_MRR
Common mode rejection ratio
50
-
-
dB
T_RT
Response time
-
-
1
µs
T_MC
Comparator mode change to Output Valid
-
-
10
µs
Table 25-42. Analog Comparator Voltage Reference Characteristics
Parameter
R_HR
R_LR
A_HR
A_LR
Parameter Name
Resolution high range
Resolution low range
Absolute accuracy high range
Absolute accuracy low range
Min
Nom
-
V_DD/31
-
V_DD/23
-
-
-
-
Max
-
-
±1/2
±1/4
Unit
LSB
LSB
LSB
LSB
June 29, 2010
Texas Instruments-Advance Information
1103