MSP430FG47X Datasheet, PDF (42/91 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
SD16_A, power supply and recommended operating conditions
AV_CC
PARAMETER
Analog supply
voltage
TEST CONDITIONS
V_CC
AV_CC = DV_CC
AV_SS = DV_SS = 0V
SD16LP = 0,
SD16BUFx = 00, GAIN: 1,2
3V
f_SD16 = 1 MHz,
SD16BUFx = 00, GAIN: 4,8,16 3 V
SD16OSR = 256 _{SD16BUFx = 00, GAIN: 32}
3V
Analog supply
SD16LP = 1,
SD16BUFx = 00, GAIN: 1
3V
I_SD16
current including
internal reference
f_SD16 = 0.5 MHz,
SD16OSR = 256
SD16BUFx = 00, GAIN: 32
3V
SD16BUFx = 01, GAIN: 1
3V
SD16LP = 0,
SD16OSR = 256
SD16BUFx = 10, GAIN: 1
3V
SD16BUFx = 11, GAIN: 1
3V
Analog front-end
SD16LP = 0 (Low power mode disabled)
3V
f_SD16
input clock
frequency
SD16LP = 1 (Low power mode enabled)
3V
MIN
2.5
0.03
0.03
TYP
750
830
1150
730
830
850
1000
1130
1
0.5
MAX
3.6
1050
1150
1700
1030
1150
1.1
UNIT
V
A
MHz
SD16_A, input range
PARAMETER
V_I
Absolute input
voltage range
V_IC
Common-mode
input voltage range
V_ID,FSR
Differential full
scale input voltage
range
TEST CONDITIONS
SD16BUFx = 00
SD16BUFx > 00
SD16BUFx = 00
SD16BUFx > 00
Bipolar mode, SD16UNI = 0
Unipolar mode, SD16UNI = 1
V_CC
MIN TYP
MAX UNIT
AV_SS -0.1V
AV_SS +0.2V
AV_CC
AV_CC --1.2 V
V
AV_SS -0.1V
AV_SS +0.2V
AV_CC
AV_CC --1.2 V
V
--V_REF/2GAIN
+V_REF/2GAIN mV
0
+V_REF/2GAIN mV
SD16GAINx = 1
Differential input
SD16GAINx = 2
voltage range for
SD16GAINx = 4
V_ID
specified
performance
SD16REFON = 1 _{SD16GAINx = 8}
(see Note 1)
SD16GAINx = 16
SD16GAINx = 32
f_SD16 = 1 MHz,
SD16GAINx = 1
3V
Z_I
Input impedance
SD16BUFx = 00 SD16GAINx = 32
3V
(one input pin to
AV_SS)
f_SD16 = 1 MHz,
SD16BUFx = 01
SD16GAINx = 1
3V
500
250
125
62
mV
31
15
200
75
k
10
M
Z_ID
NOTES:
f_SD16 = 1 MHz,
SD16GAINx = 1
3V
Differential input
SD16BUFx = 00 SD16GAINx = 32
3V
300 400
100 150
k
impedance (IN+ to
IN--)
f_SD16 = 1 MHz,
SD16BUFx > 00
SD16GAINx = 1
3V
10
M
1. The analog input range depends on the reference voltage applied to V_REF. If V_REF is sourced externally, the full-scale range is defined
by V_FSR+ = +(V_REF/2)/GAIN and V_FSR-- = --(V_REF/2)/GAIN. The analog input range should not exceed 80% of V_FSR+ or V_FSR--.
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