English
Language : 

BQ2084-V133 Datasheet, PDF (3/64 Pages) Texas Instruments – SBS v1.1-COMPLIANT GAS GAUGE FOR USE WITH THE bq29312
bq2084-V133
www.ti.com
ELECTRICAL CHARACTERISTICS
VDD = 3.0 V to 3.6 V, TA = –20°C to 85°C unless otherwise noted
PARAMETER
TEST CONDITIONS
VDD Supply voltage
IDD Operating mode current
VDDA and VDDD
No flash programming
or LEDs active
I(SLP)
VOL
VIL
Low-power storage mode current
Sleep mode
Output voltage low SMBC, SMBD, SDATA, SCLK, SAFE, PU IOL = 0.5 mA
LED1-LED5
IOL = 10 mA
Input voltage low SMBC, SMBD, SDATA, SCLK, EVENT,
PU, PRES, PFIN
DISP
Input voltage high SMBC, SMBD, SDATA, SCLK, EVENT,
VIH
PU, PRES, PFIN
DISP
V(AI1) Input voltage range VIN, TS
V(AI2) Input voltage range SR1, SR2
Z(AI1) Input impedance SR1, SR2
Z(AI2) Input impedance VIN, TS
POWER-ON RESET
–0.25 V to 0.25 V
0 V–1.0 V
VIT+ Negative-going voltage input
Vhys Power-on reset hysteresis
SLUS640A – JUNE 2005 – REVISED JUNE 2005
MIN
3.0
–0.3
–0.3
2
2
VSS – 0.3
VSS – 0.25
2.5
8
TYP
MAX UNIT
3.3
3.6 V
380
µA
8
µA
0.4
V
0.4
0.8
V
0.8
6
V
VDD + 0.3
1.0 V
0.25 V
MΩ
MΩ
2.1 2.3
50 125
2.5 V
200 mV
POWER ON RESET BEHAVIOR
vs
FREE-AIR TEMPERATURE
2.50
140
2.45
135
2.40
130
2.35
VIT-
125
2.30
120
2.25
Vhys
115
2.20
110
2.15
105
2.10
100
-20 -10 0 10 20 30 40 50 60 70 80
TA - Free-Air Temperature - °C
INTEGRATING ADC CHARACTERISTICS
VDD = 3.0 V to 3.6 V, TA = –20°C to 85°C unless otherwise noted
PARAMETER
TEST CONDITIONS
V(SR)
V(SROS)
INL
Input voltage range, V(SR2) and V(SR1)
Input offset
Integral nonlinearity error
VSR = V(SR2)– V(SR1)
FAST = 0, –0.1 V to 0.8 x Vref
MIN
–0.25
TYP
1
0.004%
MAX
0.25
0.018%
UNIT
V
mV
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 (1)
TEST CONDITIONS
±0.5% frequency error
MIN TYP MAX UNIT
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