MSP430F4796IPZ Datasheet, PDF (42/89 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F47x
MIXED SIGNAL MICROCONTROLLER
SLAS629A -- MARCH 2009 -- REVISED APRIL 2009
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
f_SD16 = 0.5 MHz,
internal reference SD16OSR = 256 ^{SD16BUFx = 00, GAIN: 32}
3V
SD16LP = 0,
SD16BUFx = 01, GAIN: 1
3V
f_SD16 = 1 MHz,
SD16BUFx = 10, GAIN: 1
3V
SD16OSR = 256 _{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 TYP MAX UNIT
2.5
3.6 V
750
830
1150
1050
1150
1700
730 1030
µA
830 1150
850
1000
1130
0.03
1
1.1
0.03
0.5
MHz
SD16_A, input range
V_I
V_IC
V_ID,FSR
PARAMETER
Absolute input
voltage range
Common-mode
input voltage range
Differential full scale
input voltage range
TEST CONDITIONS
SD16BUFx = 00
SD16BUFx > 00
SD16BUFx = 00
SD16BUFx > 00
Bipolar Mode, SD16UNI = 0
Unipolar Mode, SD16UNI = 1
SD16GAINx = 1
V_CC
MIN
AV_SS -0.1V
AV_SS +0.2V
AV_SS -0.1V
AV_SS +0.2V
--V_REF/2GAIN
0
TYP
±500
MAX
AV_CC
AV_CC --1.2V
AV_CC
AV_CC --1.2V
+V_REF/2GAIN
+V_REF/2GAIN
UNIT
V
V
mV
mV
Differential input
voltage range for
SD16GAINx =
2
V_ID
specified
SD16REFON=1 ^{SD16GAINx = 4}
performance
SD16GAINx = 8
(see Note 1)
SD16GAINx = 16
SD16GAINx = 32
±250
±125
mV
±62
±31
±15
f_SD16 = 1MHz, ^{SD16GAINx = 1}
3V
Input impedance
SD16BUFx = 00 _{SD16GAINx = 32 3 V}
Z_I
(one input pin to
AV_SS)
f_SD16 = 1MHz, _{SD16GAINx = 1}
3V
SD16BUFx = 01
200
kΩ
75
>10
MΩ
Differential input
f_SD16 = 1MHz, ^{SD16GAINx = 1}
3V
SD16BUFx = 00 _{SD16GAINx = 32 3 V}
300 400
100 150
kΩ
Z_ID
impedance (IN+ to
IN--)
f_SD16 = 1MHz, _{SD16GAINx = 1}
3V
SD16BUFx > 00
>10
MΩ
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--.
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