uda1325 NXP Semiconductors, uda1325 Datasheet - Page 41

• Manufacturer Part Number: uda1325
• Description: Universal Serial Bus Usb Codec
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 May 10
SDA and SCL lines for 100 kHz I
f
t
t
t
t
t
t
t
t
t
t
C
Oscillator 1 (system clock)
f
g
R
C
C
I
Oscillator 2 (for ADC clock)
f
g
R
C
C
I
SCL
BUF
HD;STA
LOW
HIGH
SU;STA
SU;STO
HD;DAT
SU;DAT
r
f
osc
start
osc
start
m
m
L(bus)
o
i(XTAL1a)
i(XTAL2a)
o
i(XTAL1b)
i(XTAL2b)
Universal Serial Bus (USB) CODEC
SYMBOL
SCL clock frequency
bus free time between a STOP and
START condition
hold time (repeated) START
condition
LOW period of the SCL clock
HIGH period of the SCL clock
set-up time for a repeated START
condition
set-up time for STOP condition
data hold time
data set-up time
rise time of both SDA and SCL
signals
fall time of both SDA and SCL
signals
capacitive load for each bus line
oscillator frequency
duty factor
transconductance
output resistance
parasitic input capacitance XTAL1a
parasitic input capacitance XTAL2a
start-up current
oscillator frequency
duty cycle
transconductance
output resistance
parasitic input capacitance XTAL1b
parasitic input capacitance XTAL2b
start-up current
PARAMETER
2
C devices
CONDITIONS
41
0
4.7
4.0
4.7
4.0
4.7
4.0
5.0
250
12.8
0.6
4.5
4.1
3.7
8.192
8.1
1.3
5.0
4.1
2.4
MIN.
48
50
22.1
1.1
4.8
4.6
7.6
50
13.6
2.0
5.4
4.6
5.0
TYP.
Preliminary specification
100
1000
300
400
30.2
2.3
5.2
5.0
13.0
14.08
18.1
4.0
5.7
5.0
8.4
MAX.
UDA1325
kHz
ns
ns
ns
pF
MHz
%
mS
k
pF
pF
mA
MHz
%
mA/V
k
pF
pF
mA
s
s
s
s
s
s
s
UNIT