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7.18.3 PGA Mode
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
non- inverting gain
G
inverting gain
Programmable gain
R
PGA
stage resistance
G/dV
Gain supply drift
G/dT
Gain temperature drift
THD
Total harmonic distortion
(1)
OPA operates with unity gain in buffer mode, providing impedance matching and signal buffering without the amplification.
7.19 I2C
7.19.1 I2C Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETERS
f
I2C input clock frequency
I2C
f
SCL clock frequency
SCL
t
Hold time (repeated) START
HD,STA
t
LOW period of the SCL clock
LOW
t
High period of the SCL clock
HIGH
Setup time for a repeated
t
SU,STA
START
t
Data hold time
HD,DAT
t
Data setup time
SU,DAT
t
Setup time for STOP
SU,STO
bus free time between a STOP
t
BUF
and START condition
Copyright © 2023 Texas Instruments Incorporated
TEST CONDITIONS
(1)
Buffer Mode
GAIN = 0x1
GAIN = 0x2
GAIN = 0x3
GAIN = 0x4
GAIN = 0x5
GAIN = 0x1
GAIN = 0x2
GAIN = 0x3
GAIN = 0x4
GAIN = 0x5
GAIN = 0x1
GAIN = 0x2
GAIN = 0x3
GAIN = 0x4
GAIN = 0x5
f = 3kHz, R
= 1.5kOhm to VDD/2, GBW = 0x1, GAIN = 0x1
L
f = 188Hz, R
= 1.5kOhm to VDD/2, GBW = 0x1, GAIN = 0x5
L
TEST CONDITIONS
I2C in Power Domain0
Product Folder Links:
MSPM0G3507-Q1 MSPM0G3506-Q1 MSPM0G3505-Q1
MSPM0G3507-Q1, MSPM0G3506-Q1, MSPM0G3505-Q1
R1
R2 (feedback resistor)
R1
R2 (feedback resistor)
R1
R2 (feedback resistor)
R1
R2 (feedback resistor)
R1
R2 (feedback resistor)
Standard mode
Fast mode
MIN
MAX
MIN
2
32
8
0.1
4
0.6
4.7
1.3
4
0.6
4.7
0.6
0
0
250
100
4
0.6
4.7
1.3
SLASF88 – OCTOBER 2023
MIN
TYP
MAX
–0.05%
1
+0.05%
–0.6%
2
+0.6%
–0.8%
4
+0.8%
–1%
8
+1%
–1.5%
16
+1.5%
–2.6%
32
+2.6%
–0.8%
–1
+0.8%
–1.0%
–3
+1.0%
–1.2%
–7
1.2%
–1.5%
–15
1.5%
–2.7%
–31
2.7%
64
64
32
96
16
112
8
120
4
124
0.02
1
0.002
0.02
75
55
Fast mode plus
MAX
MIN
MAX
32
20
32
0.4
1
0.26
0.5
0.26
0.26
0
50
0.26
0.5
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UNIT
V/V
kΩ
%/V
%/C
dB
UNIT
MHz
MHz
us
us
us
us
ns
ns
us
us
47
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