Datasheet


SLAS370C − APRIL 2002 − REVISED OCTOBER 2004
www.ti.com
7
TYPICAL PERFORMANCE CURVES
Figure 1
−16
−12
−8
−4
0
4
8
12
16
−50 −25 0 25 50 75 100 125
Gain = 1
Gain = 8
Gain = 20
Gain Error − LSB
GAIN ERROR
vs
FREE-AIR TEMPERATURE
T
A
− Free-Air Temperature − °C
V
DD
= 5 V,
CCLK = 2.5 MHz,
REFIN = 2.5 V (ext)
Figure 2
−16
−12
−8
−4
0
4
8
12
16
−50 −25 0 25 50 75 100 125
Gain = 20
Gain = 1
Gain = 8
Offset Error − LSB
OFFSET ERROR
vs
FREE-AIR TEMPERATURE
T
A
− Free-Air Temperature − °C
V
DD
= 5 V,
CCLK = 2.5 MHz,
REFIN = 2.5 V (ext)
Figure 3
−0.0025
−0.0015
−0.0005
0.0005
0.0015
0.0025
−50 −25 0 25 50 75 100 125
BufV
BG
1.15 V
V
BG
1.15 V
BufV
REF
2.048 V
V
REF
2.048 V
BufV
REF
2.5 V
V
REF
2.5 V
Voltage Reference Error − V
VOLTAGE REFERENCE ERROR
vs
FREE-AIR TEMPERATURE
T
A
− Free-Air Temperature − °C
0
V
DD
= 5 V,
CCLK = 2.5 MHz
Figure 4
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
−50 −25 0 25 50 75 100 125
Oscillator
−3 sigma
+3 sigma
Internal Oscillator Frequency − MHz
INTERNAL OSCILLATOR FREQUENCY
vs
FREE-AIR TEMPERATURE
T
A
− Free-Air Temperature − °C
V
DD
= 5 V