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BQ2084DBT-V140 Datasheet(PDF) 3 Page - Texas Instruments

Part No. BQ2084DBT-V140
Description  SBS v1.1-COMPLIANT GAS GAUGE FOR USE WITH THE bq29312
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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BQ2084DBT-V140 Datasheet(HTML) 3 Page - Texas Instruments

 
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ELECTRICAL CHARACTERISTICS
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
-20 -10
0
10 20 30 40 50 60 70 80
100
105
110
115
120
125
130
135
140
TA - Free-Air Temperature - °C
POWER ON RESET BEHAVIOR
vs
FREE-AIR TEMPERATURE
VIT-
Vhys
INTEGRATING ADC CHARACTERISTICS
PLL SWITCHING CHARACTERISTICS
bq2084-V140
SLUS664B – JULY 2005 – REVISED AUGUST 2006
V
DD = 3 V to 3.6 V, TA = –20°C to 85°C unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD
Supply voltage
VDDA and VDDD
3
3.3
3.6
V
No flash programming
IDD
Operating mode current
380
µA
or LEDs active
I(SLP)
Low-power storage mode current
Sleep mode
8
µA
Output voltage low SMBC, SMBD, SDATA, SCLK, SAFE, PU
IOL = 0.5 mA
0.4
VOL
V
LED1-LED5
IOL = 10 mA
0.4
Input voltage low SMBC, SMBD, SDATA, SCLK, EVENT, PU,
–0.3
0.8
PRES, PFIN
VIL
V
DISP
–0.3
0.8
Input voltage high SMBC, SMBD, SDATA, SCLK, EVENT,
2
6
PU, PRES, PFIN
VIH
V
DISP
2
VDD + 0.3
V(AI1)
Input voltage range VIN, TS
VSS – 0.3
1.0
V
V(AI2)
Input voltage range SR1, SR2
VSS – 0.25
0.25
V
Z(AI1)
Input impedance SR1, SR2
–0.25 V to 0.25 V
2.5
M
Z(AI2)
Input impedance VIN, TS
0 V–1 V
8
M
POWER-ON RESET
VIT+
Negative-going voltage input
2.1
2.3
2.5
V
Vhys
Power-on reset hysteresis
50
125
200
mV
V
DD = 3 V to 3.6 V, TA = –20°C to 85°C unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(SR)
Input voltage range, V(SR2) and V(SR1)
VSR = V(SR2)– V(SR1)
–0.25
0.25
V
V(SROS)
Input offset
1
mV
INL
Integral nonlinearity error
FAST = 0, –0.1 V to 0.8 x Vref
0.004%
0.018%
V
DD = 3 V to 3.6 V, TA = –20°C to 85°C unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
t(SP)
Start-up time (1)
±0.5% frequency error
2
5
ms
(1)
The frequency error is measured from the trimmed frequency of the internal system clock, which is 128 x oscillator frequency, nominally
4.194 MHz.
3
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