JN5148 NXP Semiconductors, JN5148 Datasheet - Page 71

• Manufacturer Part Number: JN5148
• Description: The JN5148 is an ultra low power, high performance MCU combined with an IEEE802
• Manufacturer: NXP Semiconductors

22.3.7 Bandgap Reference
VDD = 2.0 to 3.6V, -40 to +85ºC
22.3.8 Analogue to Digital Converters
VDD = 3.0V, VREF = 1.2V, -40 to +85ºC
© NXP Laboratories UK 2011
Parameter
Voltage
DC power supply rejection
Temperature coefficient
Point of inflexion
Parameter
Resolution
Current consumption
Integral nonlinearity
Differential nonlinearity
Offset error
Gain error
Internal clock
No. internal clock periods
to sample input
Conversion time
Input voltage range
Vref (Internal)
Vref (External)
Input capacitance
1.156
Min
0.04
1.15
Min
40
-1
JN-DS-JN5148-001 1v7
2, 4, 6 or 8
1.192
Typ
+30
-35
58
+25
+ 10
Typ
655
- 20
500
± 5
1.2
8
See Section 22.3.7 Bandgap Reference
1.216
Max
or 2*Vref
Max
Vref
1.6
12
+2
ppm/ºC
Unit
dB
ºC
V
Unit
LSB
LSB
kHz
bits
mV
mV
µA
pF
µs
V
V
Notes
20 to 85ºC
-40ºC to 20ºC
at 25ºC
Notes
500kHz Clock
0 to Vref range
Guaranteed monotonic
16MHz input clock, ÷32
Programmable
500kHz Clock with
sample period of 2
Switchable. Refer to
20.1.1
Allowable range into
VREF pin
In series with 5K ohms
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