LTC1325 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1325 Datasheet PDF : 24 Pages
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LTC1325
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
VDD to GND ............................................................. 17V
All Other Pins ................................ – 0.3V to VDD + 0.3V
Operating Temperature Range ..................... 0°C to 70°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
REG 1
DOUT 2
DIN 3
CS 4
CLK 5
LTF 6
MCV 7
HTF 8
GND 9
18 VDD
17 PGATE
16 DIS
15 VBAT
14 TBAT
13 TAMB
12 VIN
11 SENSE
10 FILTER
N PACKAGE
SW PACKAGE
18-LEAD PDIP 18-LEAD PLASTIC SO WIDE
TJMAX = 125°C, θJA = 75°C/ W (N)
TJMAX = 125°C, θJA = 100°C/ W (SW)
ORDER PART
NUMBER
LTC1325CN
LTC1325CSW
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS VDD = 12V ±5%, TA = 25°C, unless otherwise noted.
SYMBOL
VDD
IDD
IPD
VREG
LDREG
LIREG
TCREG
VDAC
PARAMETER
VDD Supply Voltage
VDD Supply Current
VDD Supply Current
Regulator Output Voltage
Regulator Load Regulation
Regulator Line Regulation
Regulator Output Tempco
DAC Output Voltage
VHYST
Fault Comparator Hysteresis
VOS
Fault Comparator Offset
VBATR
VBATP
VEDV
VLTF, VMCV
VHTF
AGG
VOS(GG)
RF
TOLBATD
VIL
VIH
IIL
IIH
VBAT for BATR = 1
VBAT for BATP = 1
Internal EDV Voltage
LTF, MCV Voltage Range
HTF Voltage Range
Gas Gauge Gain
Gas Gauge Offset
Internal Filter Resistor
Battery Divider Tolerance
Input Low Voltage
Input High Voltage
Low Level Input Current
High Level Input Current
CONDITIONS
q
All TTL Inputs = 0V or 5V, No Load on REG
q
Power-Down Mode, All TTL Inputs = 0V or 5V
q
No Load
q
Sourcing Only, IREG = 0mA to 2mA
No Load, VDD = 4.5V to 16V
No Load, 0°C < TA < 70°C
VR1 = 1, VR0 = 1, 100% Duty Ratio, ICHRG = I (Note 7)
VR1 = 1, VR0 = 0, 100% Duty Ratio, ICHRG = I/3
VR1 = 0, VR0 = 1, 100% Duty Ratio, ICHRG = I/5
VR1 = 0, VR0 = 0, 100% Duty Ratio, ICHRG = I/10
VHTF = 1V, VEDV = 0.9V, VBATR = 100mV
VMCV = VLTF = 2V
VHTF = 1V, VEDV = 0.9V, VBATR = 100mV
VMCV = VLTF = 2V
q
q
– 0.4V < VSENSE < 0V
– 0.4V < VSENSE < 0V (Note 6)
All Division Ratios
q
CLK, CS, DIN
q
CLK, CS, DIN
q
VCLK, VCS or VDIN = 0V
q
VCLK, VCS or VDIN = 5V
q
MIN
4.5
3.047
140
48
30
16
TYP
1200
30
3.072
–1
– 60
50
160
55
34
18
±20
±10
±50
100
VDD – 1.8
860
900
1.6
0.5
–4
±1
1000
–2
0.8
1.3
1.7
– 2.5
– 2.5
MAX
16
2000
50
3.097
–5
– 100
180
62
38
21
945
2.8
1.3
2
2.4
2.5
2.5
UNITS
V
µA
µA
V
mV/mA
µV/V
ppm/°C
mV
mV
mV
mV
mV
mV
mV
mV
V
mV
V
V
LSB
Ω
%
V
V
µA
µA
2
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