BQ2083-V1P2 Datasheet, PDF (5/55 Pages) Texas Instruments – SBS-COMPLIANT GAS GAUGE IC FOR USE WITH THE bp29311

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POR BEHAVIOR
vs
FREE-AIR TEMPERATURE
2.50
150
bq2083-V1P2
SLUS573 − JULY 2003
2.45
145
2.40
140
VIT−
Vhys
2.35
135
2.30
130
2.25
125
2.20
120
2.15
115
2.10
−20
−5 10 25 40 55 70
TA − Free-Air Temperature − °C
110
85
Figure 1
INTEGRATING ADC CHARACTERISTICS
VDD = 3.0 V to 3.6 V, TA = −20°C to 85°C (unless otherwise noted)
V(SR)
V(SROS)
INL
PARAMETER
Input voltage range, V(SR2) and V(SR1)
Input offset
Integral nonlinearity error
TEST CONDITIONS
MIN
VSR = V(SR2) – V(SR1)
–0.3
TYP
1
0.003%
MAX
1.0
0.009%
UNIT
V
µV
PLL SWITCHING CHARACTERISTICS
VDD = 3.0 V to 3.6 V, TA = −20°C to 85°C (unless otherwise noted)
PARAMETER
t(sp) Start-up time (see Note 1)
(1) _{The frequency error is measured from 32.768 Hz.}
TEST CONDITIONS
±0.5% frequency error
External Oscillator
VDD = 3.0 V to 3.6 V, TA = −20°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
f(exo) Frequency error (see Note 1)
VDD = 3.3 V
f(sxo) Start-up time (see Note 2)
(1) _{The frequency error is measured from 32.768 Hz.}
(2) _{The start-up time is defined as the time it takes for the oscillator output frequency to be ±1%.}
MIN TYP MAX UNIT
2
5 ms
MIN
−0.025%
−1%
TYP MAX
0.025%
1%
275
UNIT
µs
5