X9409_15 Datasheet, PDF (6/19 Pages) Intersil Corporation – Low Noise/Low Power/2-Wire Bus Quad Digita Controlled Potentiometers

X9409
Analog Characteristics Across the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
MAX
(Note 6) TYP (Note 6)
UNITS
CAPACITANCE
C_I/O
Input/Output Capacitance (SDA)
(Note 10)
V_I/O = 0V
8
pF
C_IN
Input Capacitance (A0, A1, A2, A3 and SCL) V_IN = 0V
(Note 10)
6
pF
POWER-UP TIMING
t_r V_CC V_CC Power-Up Rate
(Note 11)
0.2
50
V/ms
A.C. TEST CONDITIONS
Input Pulse Levels
Input Rise and Fall Times
V_CC x 0.1 to
V_CC x 0.9
10ns
Input and Output Timing Level
V_CC x 0.5
SDA Output
5V
1533Ω
100pF
FIGURE 2. EQUIVALENT A.C. LOAD CIRCUIT
R_TOTAL
R_H
R_L
C_L
C_H
C_W
10pF
10pF
25pF
R_W
FIGURE 3. CIRCUIT #3 SPICE MACRO MODEL
AC TIMING Across recommended operating conditions.
SYMBOL
f_SCL
t_CYC
t_HIGH
t_LOW
t_SU:STA
t_HD:STA
t_SU:STO
t_SU:DAT
t_HD:DAT
t_R
t_F
t_AA
t_DH
T_I
t_BUF
PARAMETER
Clock Frequency
Clock Cycle Time
Clock High Time
Clock Low Time
Start Setup Time
Start Hold Time
Stop Setup Time
SDA Data Input Setup Time
SDA Data Input Hold Time (Note 12)
SCL and SDA Rise Time
SCL and SDA Fall Time
SCL Low to SDA Data Output Valid Time
SDA Data Output Hold Time
Noise Suppression Time Constant At SCL and SDA Inputs
Bus Free Time (Prior To Any Transmission)
MIN
(Note 6)
2500
600
1300
600
600
600
100
30
50
50
1300
MAX
(Note 6)
400
300
300
900
UNITS
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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6
FN8192.6
September 3, 2015