Datasheet

TLV2556
SLAS355A – DECEMBER 2001 – REVISED SEPTEMBER 2002
17
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TYPICAL CHARACTERISTICS
Figure 25
–40 25 85
SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
T
A
– Free-Air Temperature – °C
0.82
0.84
0.86
0.88
0.9
0.92
0.94
0.96
– Supply Current – mAI
CC
V
CC
= 5.5 V
V
REF+
= 2.048 V
V
REF–
= 0 V
I/O CLOCK = 15 MHz
200 KSPS,
T
A
= 25°C
Figure 26
0
0.1
0.2
0.3
0.4
0.5
–40 25 85
Current –
SOFTWARE POWER DOWN
vs
FREE-AIR TEMPERATURE
Aµ
T
A
– Free-Air Temperature – °C
V
CC
= 5.5 V
V
REF+
= 2.048 V
V
REF–
= 0 V
I/O CLOCK = 15 MHz
200 KSPS,
T
A
= 25°C
Figure 27
–40 25 85
AUTO POWER DOWN
vs
FREE-AIR TEMPERATURE
T
A
– Free-Air Temperature – °C
Current – Aµ
985
990
995
1000
1005
1010
V
CC
= 5.5 V
V
REF+
= 2.048 V
V
REF–
= 0 V
I/O CLOCK = 15 MHz
200 KSPS,
T
A
= 25°C
Figure 28
0.95
1
1.05
1.1
1.15
1.2
1.25
–40
25 85
2-V INTERNAL REFERENCE CURRENT
vs
FREE-AIR TEMPERATURE
T
A
– Free-Air Temperature – °C
Current – mA
V
CC
= 5.5 V
V
REF+
= 2.048 V
V
REF–
= 0 V
I/O CLOCK = 15 MHz
200 KSPS,
T
A
= 25°C
NOTE: All typical curves are with internal reference unless specified otherwise. Refer to the TLV2553 data sheet (SLAS354) for typical curves
using an external reference.