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| BQ20Z60-R1 Datasheet, PDF (5/15 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™ TECHNOLOGY FOR USE WITH THE bq29330 | |||
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ELECTRICAL CHARACTERISTICS (continued)
VCC = 2.4 V to 2.6 V, TA = â40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
CIN
V(AI1)
V(AI2)
Z(AI2)
Z(AI1)
Input capacitance
Input voltage range VCELL+, VCELL-,TS1, TS2
Input voltage range SRN, SRP
Input impedance VCELL+, VCELL-, TS1, TS2
Input impedance SRN, SRP
0 Vâ1 V
0 Vâ1 V
MIN
â0.2
â 0.20
8
2.5
bq20z60-R1
SLUS991 â DECEMBER 2009
TYP
5
MAX
0.8 x VCC
0.20
UNIT
pF
V
Mâ¦
Mâ¦
POWER-ON RESET
VCC = 2.4V to 2.6 V, TA = â40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VITâ
VHYS
Negative-going voltage input
Power-on reset hysteresis
POWER ON RESET BEHAVIOR
VS
FREE-AIR TEMPERATURE
1.81
MIN TYP
1.7 1.8
50 125
MAX
1.9
200
UNIT
V
mV
1.8
1.79
1.78
1.77
1.76
-40 -20
0
20
40
60
80
TA - Free-Air Temperature - °C
INTEGRATING ADC (Coulomb Counter) CHARACTERISTICS
VCC = 2.4V to 2.6 V, TA = â40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
V(SR)
V(SROS)
INL
Input voltage range, V(SRN) and V(SRP)
Input offset
Integral nonlinearity error
V(SR) = V(SRN) â V(SRP)
â0.2
TYP
10
0.007
MAX
0.2
0.034
UNIT
V
μV
%
OSCILLATOR
VCC = 2.4 V to 2.6 V, TA = â40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
HIGH FREQUENCY OSCILLATOR
f(OSC) Operating frequency
f(EIO)
Frequency error(1) (2)
TA = 20°C to 70°C
MIN
TYP
MAX UNIT
4.194 MHz
â3
0.25
â2
0.25
3
%
2
(1) The frequency error is measured from 4.194 MHz.
(2) The frequency drift is included and measured from the trimmed frequency at VCC = 2.5 V, TA = 25°C.
Copyright © 2009, Texas Instruments Incorporated
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