Max3301e usb on-the-go transceiver and charge pump, Dc electrical characteristics (continued) – Rainbow Electronics MAX3301E User Manual
Page 4
MAX3301E
USB On-the-Go Transceiver and Charge Pump
4
_______________________________________________________________________________________
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3V to +4.5V, V
L
= +1.65V to +3.6V, C
FLYING
= 100nF, C
VBUS
= 1µF, ESR
CVBUS
= 0.1
Ω (max), T
A
= T
MIN
to T
MAX
, unless
otherwise noted. Typical values are at V
CC
= +3.7V, V
L
= +2.5V, T
A
= +25°C.) (Note 2)
PARAMETER
SYM B O L
CONDITIONS
MIN
TYP
MAX
UNITS
Switching Frequency
f
SW
390
kHz
V
BUS
Leakage Voltage
vbus_drv = 0
0.2
V
V
BUS
Rise Time
C
VBUS
= 10µF, I
VBUS
= 8mA, measured
from 0 to +4.4V
100
ms
V
BUS
Pulldown Resistance
vb us_d ischrg = 1, vb us_d r v = 0, vb us_chr g = 0
3.8
5
6.5
k
Ω
V
BUS
Pullup Resistance
vb us_chr g = 1, vb us_d r v = 0, vbus_di schr g = 0
650
930
1250
Ω
V
BUS
Input Impedance
Z
INVBUS
vb us_d ischrg = 0, vb us_d r v = 0, vb us_chr g = 0
40
70
100
k
Ω
COMPARATOR SPECIFICATIONS
V
B U S
V al i d C om p ar ator Thr eshol d
V
TH-VBUS
4.4
4.6
4.8
V
V
B U S
V al i d C om p ar ator H yster esi s
V
HYS-VBUS
50
mV
Session-Valid Comparator
Threshold
V
TH-
SESS_VLD
0.8
1.4
2.0
V
Session-End Comparator
Threshold
V
TH-
SESS_END
0.2
0.5
0.8
V
dp_hi Comparator Threshold
0.8
1.3
2.0
V
dm_hi Comparator Threshold
0.8
1.3
2.0
V
cr_int Pulse Width
750
ns
cr_int Comparator Threshold
0.4
0.5
0.6
V
ID_IN SPECIFICATIONS
ID_IN Input Voltage for Car Kit
0.2 x
V
CC
0.8 x
V
CC
V
ID_IN Input Voltage for A Device
0.1 x
V
CC
V
ID_IN Input Voltage for B Device
0.9 x
V
CC
V
ID_IN Input Impedance
Z
ID_IN
70
100
130
k
Ω
ID_IN Input Leakage Current
ID_IN = V
CC
-1
+1
µA
ID_IN Pulldown Resistance
id_pulldown = 1
150
300
Ω
TERMINATING RESISTOR SPECIFICATIONS (D+, D-)
D+ Pulldown Resistor
dp_pulldown = 1
14.25
15
15.75
k
Ω
D- Pulldown Resistor
dm_pulldown = 1
14.25
15
15.75
k
Ω
D+ Pullup Resistor
dp_pullup = 1
1.425
1.5
1.575
k
Ω
D- Pullup Resistor
dm_pullup = 1
1.425
1.5
1.575
k
Ω