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| LTC3350_15 Datasheet, PDF (6/46 Pages) Linear Technology – High Current Supercapacitor Backup Controller and System Monitor | |||
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LTC3350
Electrical Characteristics The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = VOUT = 12V, VDRVCC = VINTVCC unless otherwise
noted.
SYMBOL PARAMETER
Analog-to-Digital Converter
VRES
Measurement Resolution
VGPI
General Purpose Input Voltage Range
IGPI
General Purpose Input Pin Leakage Current
RGPI
GPI Pin Resistance
Measurement System Error
VERR
Measurement Error (Note 5)
CAP1 to CAP4
RSHNT
Shunt Resistance
DVCAPMAX Maximum Capacitor Voltage with Shunts Enabled
Programming Pins
VITST
ITST Voltage
I2C/SMBus â SDA, SCL, SMBALERT
IIL,SDA,SCL
IIH,SDA,SCL
VIH
VIL
fSCL
tLOW
tHIGH
tBUF
tHD,STA
tSU,STA
Input Leakage Low
Input Leakage High
Input High Threshold
Input Low Threshold
SCL Clock Frequency
Low Period of SCL Clock
High Period of SCL Clock
Bus Free Time Between Start and Stop Conditions
Hold Time, After (Repeated) Start Condition
Setup Time After a Repeated Start Condition
CONDITIONS
Unbuffered
Buffered
Buffered Input
Buffer Disabled
VIN = 0V
VIN = 30V
VOUTSP = 5V
VOUTSP = 30V
VCAP = 0V
VCAP = 10V
VGPI = 0V, Unbuffered
VGPI = 3.5V, Unbuffered
VCAP1 = 0V
VCAP1 = 2V
VCAP2 = 0V
VCAP2 = 2V
VCAP3 = 0V
VCAP3 = 2V
VCAP4 = 0V
VCAP4 = 2V
VSNSI = 0mV
VSNSI = 32mV
VSNSC = 0mV
VSNSC = 32mV
2 or More Capacitors in Stack
RTST = 121Ω
MIN TYP MAX UNITS
16
Bits
0
5
V
0
3.5
V
1
μA
2.5
MΩ
100
mV
1.5
%
100
mV
1.5
%
100
mV
1.5
%
2
mV
1
%
2
mV
1
%
2
mV
1
%
2
mV
1
%
2
mV
1
%
200
µV
2
%
200
µV
2
%
0.5
Ω
3.6
V
1.185 1.197 1.209
V
â1
1
µA
â1
1
µA
1.5
V
0.8
V
400
kHz
1.3
µs
0.6
µs
1.3
µs
0.6
µs
0.6
µs
3350fb
6
For more information www.linear.com/LTC3350
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