Datasheet

  
  
SLAS491A − AUGUST 2005 − REVISED OCTOBER 2005
29
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (continued)
calibrated DCO frequencies − tolerance at calibration
PARAMETER TEST CONDITIONS T
A
VCC MIN TYP MAX UNIT
Frequency tolerance at calibration 25°C 3 V −1 ±0.2 +1 %
f
CAL(1MHz)
1MHz calibration value
BCSCTL1= CALBC1_1MHz;
DCOCTL = CALDCO_1MHz
Gating time: 5ms
25°C 3 V 0.990 1 1.010 MHz
f
CAL(8MHz)
8MHz calibration value
BCSCTL1= CALBC1_8MHz;
DCOCTL = CALDCO_8MHz
Gating time: 5ms
25°C 3 V 7.920 8 8.080 MHz
f
CAL(12MHz)
12MHz calibration value
BCSCTL1= CALBC1_12MHz;
DCOCTL = CALDCO_12MHz
Gating time: 5ms
25°C 3 V 11.88 12 12.12 MHz
f
CAL(16MHz)
16MHz calibration value
BCSCTL1= CALBC1_16MHz;
DCOCTL = CALDCO_16MHz
Gating time: 2ms
25°C 3 V 15.84 16 16.16 MHz
calibrated DCO frequencies − tolerance over temperature 0°C − +85°C
PARAMETER TEST CONDITIONS T
A
VCC MIN TYP MAX UNIT
1 MHz tolerance over temperature 0°C − +85°C 3.0 V −2.5 ±0.5 +2.5 %
8 MHz tolerance over temperature 0°C − +85°C 3.0 V −2.5 ±1.0 +2.5 %
12 MHz tolerance over temperature 0°C − +85°C 3.0 V −2.5 ±1.0 +2.5 %
16 MHz tolerance over temperature 0°C − +85°C 3.0 V −3.0 ±2.0 +3.0 %
BCSCTL1= CALBC1_1MHz;
2.2 V 0.970 1 1.030 MHz
f
CAL(1MHz)
1MHz calibration value
BCSCTL1= CALBC1_1MHz;
DCOCTL = CALDCO_1MHz
Gating time: 5ms
0°C − +85°C
3.0 V 0.975 1 1.025 MHz
f
CAL(1MHz)
1MHz calibration value
DCOCTL = CALDCO_1MHz
Gating time: 5ms
0 C − +85 C
3.6 V 0.970 1 1.030 MHz
BCSCTL1= CALBC1_8MHz;
2.2 V 7.760 8 8.400 MHz
f
CAL(8MHz)
8MHz calibration value
BCSCTL1= CALBC1_8MHz;
DCOCTL = CALDCO_8MHz
Gating time: 5ms
0°C − +85°C
3.0 V 7.800 8 8.200 MHz
f
CAL(8MHz)
8MHz calibration value
DCOCTL = CALDCO_8MHz
Gating time: 5ms
0 C − +85 C
3.6 V 7.600 8 8.240 MHz
BCSCTL1= CALBC1_12MHz;
2.2 V 11.70 12 12.30 MHz
f
CAL(12MHz)
12MHz calibration value
BCSCTL1= CALBC1_12MHz;
DCOCTL = CALDCO_12MHz
Gating time: 5ms
0°C − +85°C
3.0 V 11.70 12 12.30 MHz
f
CAL(12MHz)
12MHz calibration value
DCOCTL = CALDCO_12MHz
Gating time: 5ms
0 C − +85 C
3.6 V 11.70 12 12.30 MHz
f
CAL(16MHz)
16MHz calibration value
BCSCTL1= CALBC1_16MHz
;
DCOCTL = CALDCO_16MHz
0°C − +85°C
3.0 V 15.52 16 16.48 MHz
f
CAL(16MHz
)
16MHz calibration value
DCOCTL = CALDCO_16MHz
Gating time: 2ms
0°C − +85°C
3.6 V 15.00 16 16.48 MHz