K20P104M100SF2 Freescale Semiconductor, K20P104M100SF2 Datasheet - Page 38

• Manufacturer Part Number: K20P104M100SF2
• Description: K20 Sub-Family
• Manufacturer: Freescale Semiconductor

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Peripheral operating requirements and behaviors
1. All accuracy numbers assume the ADC is calibrated with V
2. Typical values assume V
3. 1 LSB = (V
4. Input data is 1 kHz sine wave.
6.6.1.3 16-bit ADC with PGA operating conditions
1. Typical values assume V
2. ADC must be configured to use the internal voltage reference (VREFOUT)
3. PGA reference connected to the VREFOUT pin. If the user wishes to drive VREFOUT with a voltage other than the output
38
V
V
Symbol
Symbol
R
REFPGA
V
TEMP25
reference only and are not tested in production.
V
R
reference only and are not tested in production.
of the VREF module, the VREF module must be disabled.
R
PGAD
E
ADIN
T
DDA
PGA
AS
IL
S
Table 24. 16-bit ADC characteristics (V
Input leakage er‐
ror
Temp sensor
slope
Temp sensor
voltage
Supply voltage
PGA ref voltage
Input voltage
Input impedance Gain = 1, 2, 4, 8
Differntial input
impedance
Analog source
resistance
ADC sampling
time
Description
Description
REFH
- V
REFL
Table 25. 16-bit ADC with PGA operating conditions
)/2
DDA
DDA
N
K20 Sub-Family Data Sheet Data Sheet, Rev. 1, 11/2010.
25°C
Absolute
Gain = 16, 32
Gain = 64
Gain = 1, 2, 4, 8
Gain = 16, 32
Gain = 64
Gain = 16, 32
Gain = 64
Conditions
Conditions
= 3.0 V, Temp = 25°C, f
= 3.0 V, Temp = 25°C, f
• –40°C to 25°C
• 25°C to 105°C
1
Preliminary
ADCK
ADCK
VREFOUT VREFOUT VREFOUT
V
1.71
TBD
TBD
TBD
TBD
TBD
TBD
1.25
Min.
= 2.0 MHz unless otherwise stated. Typical values are for
—
= 6 MHz unless otherwise stated. Typical values are for
SSA
REFH
REFH
Min.
= V
—
—
—
= V
DDA
Typ.
128
100
64
32
16
64
32
—
—
—
DDA
I
1
In
Typ.
TBD
TBD
TBD
, V
× R
REFL
AS
2
V
Max.
TBD
TBD
TBD
TBD
TBD
TBD
3.6
—
—
DDA
= V
Max.
—
—
—
SSA
Freescale Semiconductor, Inc.
Unit
) (continued)
kΩ
kΩ
µs
V
V
V
Ω
mV/°C
mV/°C
Unit
mV
mV
IN+ to IN-
Notes
the MCU's
rent oper‐
2,
I
ating rat‐
In
age cur‐
and cur‐
(refer to
4
5
voltage
Notes
ings)
3
= leak‐
rent
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