Datasheet

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SBAS417B − JUNE 2007 − REVISED JANUARY 2008
www.ti.com
6
TYPICAL CHARACTERISTICS
At T
A
= +25°C, +V
CC
= +2.7V, IOVDD = +1.8V, V
REF
= External +2.5V, 12-bit mode, PD0 = 0, f
SAMPLE
= 125kHz, and f
CLK
= 16 • f
SAMPLE
= 2MHz,
unless otherwise noted.
+V
CC
SUPPLY CURRENT vs TEMPERATURE
−
40
−
200 20406080100
+V
CC
Supply Current (
µ
A)
400
350
300
250
200
150
100
Temperature (°C)
IOVDD SUPPLY CURRENT vs TEMPERATURE
−
40
−
20 0 20 40 60 80 100
IOVDD Supply Current (
µ
A)
30
25
20
15
10
5
Temperature (°C)
POWER−DOWN SUPPLY CURRENT vs TEMPERATURE
−
40
−
20 0 20 40 60 80 100
Supply Current (nA)
140
120
100
80
60
40
Temperature (°C)
+V
CC
SUPPLY CURRENT vs +V
CC
2.02.53.03.54.04.55.0
+V
CC
(V)
+V
CC
Supply Current (
µ
A)
450
400
350
300
250
200
150
100
f
SAMPLE
= 125kHz
f
SAMPLE
= 12.5kHz
IOVDD SUPPLY CURRENT vs IOVDD
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
IOVDD (V)
IOVDD Supply Current (
µ
A)
60
50
40
30
20
10
0
+V
CC
≥
IOVDD
f
SAMPLE
= 125kHz
f
SAMPLE
= 12.5kHz
MAXIMUM SAMPLE RATE vs +V
CC
2.0 5.02.5 3.0 3.5 4.0 4.5
+V
CC
(V)
Sample Rate (Hz)
1M
100k
10k
1k