MSP430FG439 Datasheet, PDF (37/88 Pages) Texas Instruments – Mixed-Signal Microcontrollers

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MSP430FG439, MSP430FG438, MSP430FG437
SLAS380D – APRIL 2004 – REVISED NOVEMBER 2014
5.34 Operational Amplifier (OA), Supply Specifications
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
V_CC Supply voltage
TEST CONDITIONS
V_CC
Fast Mode, RRIP OFF
Medium Mode, RRIP OFF
I_CC
Supply current⁽¹⁾
Slow Mode, RRIP OFF
Fast Mode, RRIP ON
2.2 V, 3 V
Medium Mode, RRIP ON
Slow Mode, RRIP ON
PSRR Power supply rejection ratio
Non-inverting
2.2 V, 3 V
(1) P6SEL.x = 1 for each corresponding pin when used in OA input or OA output mode.
MIN TYP MAX UNIT
2.2
3.6 V
180 290
110 190
50
80
µA
300 490
190 350
90 190
70
dB
5.35 Operational Amplifier (OA), Input/Output Specifications
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
V_I/P
Voltage supply, I/P
TEST CONDITIONS
RRIP OFF
RRIP ON
V_CC
MIN
–0.1
–0.1
I_Ikg
Input leakage current,
I/P ^{(1) (2)}
T_A = –40°C to +55°C
T_A = +55°C to +85°C
–5
–20
Fast Mode
V_n
V_IO
V_OH
V_OL
R_{O/P (OAx)}
CMRR
Voltage noise density, I/P
Offset voltage, I/P
Offset temperature drift,
I/P
Offset voltage drift with
supply, I/P
High-level output voltage,
O/P
Low-level output voltage,
O/P
Output resistance⁽⁴⁾ (see
Figure 5-29)
Common-mode rejection
ratio
Medium Mode
Slow Mode
Fast Mode
Medium Mode
Slow Mode
f_V(I/P) = 1 kHz
f_V(I/P) = 10 kHz
See ⁽³⁾
0.3 V ≤ V_IN ≤ V_CC – 0.3 V
ΔV_CC ≤ ±10%, T_A = 25°C
Fast Mode, I_SOURCE ≤ –500 µA
Slow Mode, I_SOURCE ≤ –150 µA
Fast Mode, I_SOURCE ≤ +500 µA
Slow Mode, I_SOURCE ≤ +150 µA
R_Load = 3 kΩ,C_Load = 50 pF, RRIP ON,
V_O/P(OAx) < 0.2 V
R_Load = 3 kΩ,C_Load = 50 pF, RRIP ON,
V_O/P(OAx) > AV_CC – 0.2 V
R_Load = 3 kΩ,C_Load = 50 pF, RRIP ON,
0.2 V ≤ V_O/P(OAx) ≤ AV_CC – 0.2 V
Non-inverting
2.2 V, 3 V
2.2 V, 3 V
2.2 V, 3 V
2.2 V
3V
2.2 V
3V
V_CC – 0.2
V_CC – 0.1
V_SS
V_SS
2.2 V, 3 V
2.2 V, 3 V
(1) ESD damage can degrade input current leakage.
(2) The input bias current is overridden by the input leakage current.
(3) Calculated using the box method.
(4) Specification valid for voltage-follower OAx configuration.
TYP
±0.5
±5
50
80
140
30
50
65
MAX
V_CC – 1.2
V_CC + 0.1
5
20
±10
UNIT
V
nA
nV/√Hz
mV
±10
µV/°C
±1.5 mV/V
V_CC
V
V_CC
0.2
V
0.1
150
250
150
250
Ω
0.1
4
70
dB
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Specifications
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