MAX1660 Datasheet, PDF (4/20 Pages) Maxim Integrated Products – Digitally Controlled Fuel-Gauge Interface

Digitally Controlled
Fuel-Gauge Interface
ELECTRICAL CHARACTERISTICS (continued)
(V _SHDN = V_BATT = 12V, V_SCL = V_SDA = 3.6V, C_REF = 10nF, C_VL = 0.1µF, T_A = -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
INTERFACE-LOGIC LEVELS
Input High Voltage
Input Low Voltage
V_IH
SHDN, SCL, SDA
SCL, SDA
V_IL
SHDN
2.2
V
0.8
V
0.6
SDA Output Low Sink Current
V_OL
V_SDA = 0.6V
INT, RST Output Low Sink Current VOL VINT = 0.4V
6
mA
2
mA
SCL, SDA, INT, RST Leakage
Current
Output forced to 5V
1
µA
SHDN Input Bias Current
I_SHDN
SHDN forced to 3.6V
SHDN forced to 28V
3.0
µA
120
RST Output Voltage
RST Threshold Voltage
V_RST
V_TH1,
V_TH2
V_VL = 1V, I_SINK = 50µA
V_VL = 3V, I_SINK = 1.2mA
V_TH2, VL falling
V_TH1, VL rising
0.3
V
0.3
1.0
2.2
V
2.75
3.05
TIMING CHARACTERISTICS
(T_A = 0°C to +85°C, unless otherwise noted.)
PARAMETER
SYMBOL
SCL Serial-Clock High Period
SCL Serial-Clock Low Period
Start-Condition Setup Time
Start-Condition Hold Time
t_HIGH
t_LOW
t_SU:STA
t_HD:STA
SDA Valid to SCL Rising-Edge Setup
Time, Slave Clocking in Data
t_SU:DAT
SCL Falling Edge to SDA Transition
t_HD:DAT
SCL Falling Edge to SDA Valid, Master
Clocking in Data
t_DV
CONDITIONS
MIN TYP MAX UNITS
4
µs
4.7
µs
4.7
µs
4
µs
800
ns
0
ns
1
µs
*Patent pending
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