Datasheet

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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
T
A
- Free-Air Temperature - °C
- Negative Going Input Threshold Voltage - V
POWER ON RESET BEHAVIOR
vs
FREE-AIR TEMPERATURE
V
IT
V
IT-
V
hys
V
hys
- Hysterisis Voltage - mV
INTEGRATING ADC CHARACTERISTICS
bq2084-V143
SLUS732 – SEPTEMBER 2006
V
DD
= 3 V to 3.6 V, T
A
= –20 ° C to 85 ° C unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
DD
Supply voltage VDDA and VDDD 3 3.3 3.6 V
No flash programming
I
DD
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,
I
OL
= 0.5 mA 0.4
PU
V
OL
V
LED1-LED5 I
OL
= 10 mA 0.4
Input voltage low SMBC, SMBD, SDATA, SCLK, EVENT,
–0.3 0.8
PU, PRES, PFIN
V
IL
V
DISP –0.3 0.8
Input voltage high SMBC, SMBD, SDATA, SCLK, EVENT,
2 6
PU, PRES, PFIN
V
IH
V
DISP 2 V
DD
+ 0.3
V
(AI1)
Input voltage range VIN, TS V
SS
– 0.3 1.0 V
V
(AI2)
Input voltage range SR1, SR2 V
SS
– 0.25 0.25 V
Z
(AI1)
Input impedance SR1, SR2 –0.25 V to 0.25 V 2.5 M Ω
Z
(AI2)
Input impedance VIN, TS 0 V–1 V 8 M Ω
POWER-ON RESET
V
IT+
Negative-going voltage input 2.1 2.3 2.5 V
V
hys
Power-on reset hysteresis 50 125 200 mV
V
DD
= 3 V to 3.6 V, T
A
= –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)
V
SR
= 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 V
ref
0.004% 0.018%
3
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