MSP430FG47x
MIXED SIGNAL MICROCONTROLLER
SLAS580D -- OCTOBER 2008 -- REVISED MARCH 2011
42
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
SD16_A, power supply and recommended operating conditions
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
AV
CC
Analog supply
voltage
AV
CC
= DV
CC
AV
SS
= DV
SS
= 0V
2.5
3.6
V
SD16LP = 0,
SD16BUFx = 00, GAIN: 1,2
3 V
750
1050
SD16LP = 0,
f
SD16
= 1 MHz,
SD16BUFx = 00, GAIN: 4,8,16
3 V
830
1150
f
SD16
1 MHz,
SD16OSR = 256
SD16BUFx = 00, GAIN: 32
3 V
1150
1700
I
Analog supply
current including
SD16LP = 1,
f
0 5 MHz
SD16BUFx = 00, GAIN: 1
3 V
730
1030
A
I
SD16
current including
internal reference
f
SD16
= 0.5 MHz,
SD16OSR = 256
SD16BUFx = 00, GAIN: 32
3 V
830
1150
A
SD16LP 0
SD16BUFx = 01, GAIN: 1
3 V
850
SD16LP = 0,
SD16OSR = 256
SD16BUFx = 10, GAIN: 1
3 V
1000
SD16OSR = 256
SD16BUFx = 11, GAIN: 1
3 V
1130
f
Analog front-end
input clock
SD16LP = 0 (Low power mode disabled)
3 V
0.03
1
1.1
MH
f
SD16
input clock
frequency
SD16LP = 1 (Low power mode enabled)
3 V
0.03
0.5
MHz
SD16_A, input range
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
V
Absolute input
SD16BUFx = 00
AV
SS
-0.1V
AV
CC
V
V
I
Absolute input
voltage range
SD16BUFx > 00
AV
SS
+0.2V
AV
CC
--1.2 V
V
V
Common-mode
SD16BUFx = 00
AV
SS
-0.1V
AV
CC
V
V
IC
Common mode
input voltage range
SD16BUFx > 00
AV
SS
+0.2V
AV
CC
--1.2 V
V
V
Differential full
scale input voltage
Bipolar mode, SD16UNI = 0
--V
REF
/2GAIN
+V
REF
/2GAIN
mV
V
ID,FSR
scale input voltage
range
Unipolar mode, SD16UNI = 1
0
+V
REF
/2GAIN
mV
SD16GAINx = 1
500
Differential input
SD16GAINx = 2
250
V
Differential input
voltage range for
specified
SD16REFON 1
SD16GAINx = 4
125
mV
V
ID
specified
performance
SD16REFON = 1
SD16GAINx = 8
62
mV
performance
(see Note 1)
SD16GAINx = 16
31
(see Note 1)
SD16GAINx = 32
15
f
SD16
= 1 MHz,
SD16GAINx = 1
3 V
200
k
Z
Input impedance
(one input pin to
f
SD16
1 MHz,
SD16BUFx = 00
SD16GAINx = 32
3 V
75
k
Z
I
(one input pin to
AV
SS
)
f
SD16
= 1 MHz,
SD16BUFx = 01
SD16GAINx = 1
3 V
10
M
f
SD16
= 1 MHz,
SD16GAINx = 1
3 V
300
400
k
Z
Differential input
impedance (IN+ to
f
SD16
1 MHz,
SD16BUFx = 00
SD16GAINx = 32
3 V
100
150
k
Z
ID
impedance (IN+ to
IN--)
f
SD16
= 1 MHz,
SD16BUFx > 00
SD16GAINx = 1
3 V
10
M
NOTES: 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--
.
Summary of Contents for MSP430FG47x
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