BQ2084-V140_14 Datasheet, PDF (3/64 Pages) Texas Instruments – SBS v1.1-COMPLIANT GAS GAUGE FOR USE WITH THE bq29312

bq2084-V140
www.ti.com
SLUS664B – JULY 2005 – REVISED AUGUST 2006
ELECTRICAL CHARACTERISTICS
V_DD = 3 V to 3.6 V, T_A = –20°C to 85°C unless otherwise noted
PARAMETER
TEST CONDITIONS
V_DD Supply voltage
I_DD Operating mode current
VDDA and VDDD
No flash programming
or LEDs active
I_(SLP)
V_OL
V_IL
Low-power storage mode current
Sleep mode
Output voltage low SMBC, SMBD, SDATA, SCLK, SAFE, PU
LED1-LED5
Input voltage low SMBC, SMBD, SDATA, SCLK, EVENT, PU,
PRES, PFIN
I_OL = 0.5 mA
I_OL = 10 mA
DISP
Input voltage high SMBC, SMBD, SDATA, SCLK, EVENT,
V_IH
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 V
V_IT+ Negative-going voltage input
V_hys Power-on reset hysteresis
MIN
3
–0.3
–0.3
2
2
V_SS – 0.3
V_SS – 0.25
2.5
8
2.1
50
TYP
MAX UNIT
3.3
3.6 V
380
µA
8
µA
0.4
V
0.4
0.8
V
0.8
6
V
V_DD + 0.3
1.0 V
0.25 V
MΩ
MΩ
2.3
2.5 V
125
200 mV
POWER ON RESET BEHAVIOR
vs
FREE-AIR TEMPERATURE
2.50
140
2.45
135
2.40
130
2.35
V_IT-
125
2.30
120
2.25
V_hys
115
2.20
110
2.15
105
2.10
100
-20 -10 0 10 20 30 40 50 60 70 80
T_A - Free-Air Temperature - °C
INTEGRATING ADC CHARACTERISTICS
V_DD = 3 V to 3.6 V, T_A = –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
V_SR = V_(SR2)– V_(SR1)
FAST = 0, –0.1 V to 0.8 x V_ref
MIN
–0.25
TYP
1
0.004%
MAX
0.25
0.018%
UNIT
V
mV
PLL SWITCHING CHARACTERISTICS
V_DD = 3 V to 3.6 V, T_A = –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.
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