MSP430F2274-EP_16 Datasheet, PDF (47/80 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F2274-EP
www.ti.com
SLAS614D – SEPTEMBER 2008 – REVISED MAY 2011
Operational Amplifier (OA) Feedback Network, Comparator Mode (OAFCx = 3) – Electrical
Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
OAFBRx = 1, OARRIP = 0
T_A
–55°C to 125°C
V_CC
MIN TYP MAX UNIT
0.242 1/4 0.262
OAFBRx = 2, OARRIP = 0
–55°C to 125°C
0.492 ½ 0.512
V_Level
Comparator level
OAFBRx = 3, OARRIP = 0
OAFBRx = 4, OARRIP = 0
OAFBRx = 5, OARRIP = 0
OAFBRx = 6, OARRIP = 0
OAFBRx = 7, OARRIP = 0
OAFBRx = 1, OARRIP = 1
–55°C to 125°C
–55°C to 125°C
2.2 V/3 V
0.619 5/8 0.639
N/A ⁽¹⁾
N/A ⁽¹⁾
N/A ⁽¹⁾
N/A ⁽¹⁾
0.057 1/16 0.071 ^VCC
OAFBRx = 2, OARRIP = 1
–55°C to 125°C
0.122 1/8 0.128
OAFBRx = 3, OARRIP = 1
–55°C to 125°C
0.182 3/16 0.197
OAFBRx = 4, OARRIP = 1
–55°C to 125°C
0.242 1/4 0.262
OAFBRx = 5, OARRIP = 1
–55°C to 125°C
0.367 3/8 0.383
OAFBRx = 6, OARRIP = 1
OAFBRx = 7, OARRIP = 1
–55°C to 125°C
0.492 ½ 0.512
N/A ⁽¹⁾
Fast Mode, Overdrive 10 mV
40
Fast Mode, Overdrive 100 mV
4
Fast Mode, Overdrive 500 mV
3
t_PLH, t_PHL
Propagation delay
(low-high and high-low)
Medium Mode, Overdrive 10 mV
Medium Mode, Overdrive 100 mV
Medium Mode, Overdrive 500 mV
2.2 V/3 V
60
6
μs
5
Slow Mode, Overdrive 10 mV
160
Slow Mode, Overdrive 100 mV
20
Slow Mode, Overdrive 500 mV
15
(1) The level is not available due to the analog input voltage range of the operational amplifier.
Operational Amplifier (OA) Feedback Network, Noninverting Amplifier Mode (OAFCx = 4) –
Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
T_A
V_CC
OAFBRx = 0
–55°C to 125°C
MIN
0.970
TYP MAX UNIT
1.00 1.035
OAFBRx = 1
–55°C to 125°C
1.325 1.334 1.345
OAFBRx = 2
–55°C to 125°C
1.985 2.001 2.017
G
Gain
OAFBRx = 3
OAFBRx = 4
–55°C to 125°C
2.2 V/3 V
–55°C to 125°C
2.638
3.94
2.667
4.00
2.696
4.06
OAFBRx = 5
–55°C to 125°C
5.22 5.33 5.44
OAFBRx = 6
–55°C to 125°C
7.76 7.97 8.18
OAFBRx = 7
–55°C to 125°C
15.0 15.8 16.7
THD
t_Settle
Total harmonic
distortion/nonlinearity
Settling time⁽¹⁾
All gains
All power modes
–55°C to 125°C
2.2 V
3V
2.2 V/3 V
–60
dB
–70
7
12 μs
(1) The settling time specifies the time until an ADC result is stable. This includes the minimum required sampling time of the ADC. The
settling time of the amplifier itself might be faster.
Copyright © 2008–2011, Texas Instruments Incorporated
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