DA6502.008
29 November 2012
ELECTRICAL CHARACTERISTICS
TA = -40oC to +85oC, VDD = 2.0V to 3.6V, Typ TA = 27oC, Typ VDD = 2.35 V, Rsensor = 4.5kΩ unless otherwise noted
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Average ADC Current
during Conversion Time
Average ADC Current in
Pressure Measurement
during Conversion Period
(no sensor current
ICONV
Pressure mode
Temperature mode
1 conversion/s, Rsensor = 4.5 kΩ,
OSR=512
80
100
185
200
330
350
µA
IADC_P
0.4
0.2
0.1
0.06
1.0
0.5
0.3
0.15
1.7
0.9
0.5
0.26
µA
µA
µA
µA
OSR=256
OSR=128
OSR=64
included)
Average ADC Current in
Temperature Measurement
during Conversion Period
(no sensor current
IADC_T
1 conversion/s, Rsensor = 4.5 kΩ,
OSR=512
OSR=256
0.8
0.4
0.2
0.1
2.0
1.0
0.5
0.3
3.5
1.8
0.95
0.5
OSR=128
OSR=64
included)
Average Supply Current in
Pressure Measurement
during Conversion Period
(including sensor bridge
current)
ISAVG_P
1 conversion/s, Rsensor = 4.5 kΩ,
OSR=512
OSR=256
1.8
0.95
0.5
2.4
1.2
0.7
0.4
3.1
1.6
0.9
0.5
OSR=128
OSR=64
0.3
Average Supply Current in
Temperature Measurement
(including sensor bridge
current)
ISAVG_T
1 conversion/s, Rsensor = 4.5 kΩ,
OSR=512
OSR=256
1.4
0.7
0.4
0.2
0.6
2.5
1.3
0.7
0.4
0.7
4.0
2.1
1.1
0.6
OSR=128
OSR=64
Peak Supply Current
During Pressure
Measurement
Peak Supply Current
During Temperature
Measurement
ISC_P
0.85
mA
mA
VDD = 2.35 V, Rsensor = 4.5 kΩ
ISC_T
0.2
0.3
0.46
0.5
VDD = 2.35 V, Rsensor = 4.5 kΩ
Standby Current
ISS
VDD = 2.35 V
Note 1.
0.05
µA
Internal System Clock
Frequency
Pressure Conversion Time
DCLK
tCONV_P
Pressure measurement
Temperature measurement
DCLK = 100 kHz,
OSR=512
85
42.5
100
50
113
56.5
kHz
4.6
2.4
1.2
0.7
5.3
2.7
1.5
0.8
6.2
3.2
1.7
0.95
OSR=256
OSR=128
OSR=64
ms
Temperature Conversion
Time
tCONV_T
DCLK = 50 kHz,
OSR=512
OSR=256
9.3
4.8
2.5
1.4
10.6
5.5
2.9
1.6
12.4
6.4
3.4
1.9
ms
ns
OSR=128
OSR=64
Note 2.
VDD Rise Time for Proper
Power On Reset (POR)
t VDD_RISE
400
Note 1. Leakage current may increase if digital input voltages are not close to VDD (logic level high) or GND (logic level low)
Note 2. Device reset by using XCLR pin or reset register (30HEX) is necessary in case the VDD rise time is longer than specified here.
3 (20)
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