MSP430FG42X0 Datasheet, PDF (39/65 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430FG42x0
MIXED SIGNAL MICROCONTROLLER
SLAS556A − JULY 2007 − REVISED AUGUST 2007
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
operational amplifier OA, dynamic specifications
PARAMETER
Fast Mode
TEST CONDITIONS
V_CC
MIN
SR
Slew rate
Medium Mode
—
Slow Mode
Open-loop voltage gain
—
φ_m
Phase margin
Gain margin
GBW
Gain-bandwidth product
(see Figure 19
and Figure 20)
t_en(on)
t_en(off)
Enable time on
Enable time off
C_L = 50 pF
C_L = 50 pF
Noninverting, Fast Mode, R_L = 47kΩ, C_L = 50pF
Noninverting, Medium Mode, R_L =300kΩ, C_L = 50pF
Noninverting, Slow Mode, R_L =300kΩ, C_L = 50pF
t_on, noninverting, Gain = 1
—
—
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
TYP
1.2
0.8
0.3
100
60
20
2.2
1.4
0.5
10
MAX
20
1
UNIT
V/μs
dB
deg
dB
MHz
μs
μs
TYPICAL OPEN-LOOP GAIN vs FREQUENCY
140
120
Fast Mode
100
80
60
Medium Mode
40
20
0
Slow Mode
−20
−40
−60
−80
0.001 0.01
0.1 1 10 100
Input Frequency − kHz
Figure 19
1000 10000
TYPICAL PHASE vs FREQUENCY
0
−50
−100
−150
−200
Fast Mode
Medium Mode
Slow Mode
−250
0.001
0.01 0.1 1 10 100
Input Frequency − kHz
Figure 20
1000 10000
switches to ground
PARAMETER
TEST CONDITIONS
V_CC
I_lkg
I_IN
R_ON
NOTES:
Supply voltage
Input leakage current
(see Note 1)
Input current
T_A = −40_C to + 55_C
T_A = 55_C to 85_C
Input switched to Ground.
On resistance
I_IN=100 μA, T_A=−40°C to 85°C
1. ESD damage can degrade input current leakage.
V_CC
MIN TYP MAX UNIT
2.5
3.6 V
±1 ±10
nA
±50
0
100 μA
10 Ω
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