Datasheet
dsPIC33F
DS70165E-page 344 Preliminary © 2007 Microchip Technology Inc.
AD06 VREFL Reference Voltage Low AVSS —AVDD – 1.7 V —
AD07 VREF Absolute Reference
Voltage
AVSS –
0.3
—AVDD + 0.3 V —
AD08 I
REF Current Drain — 150
.001
200
1
μA
μA
ADC operating
ADC off
Analog Input
AD10 V
INH-VINL Full-Scale Input Span VREFL VREFH V See Note
AD11 VIN Absolute Input Voltage AVSS – 0.3 AVDD + 0.3 V —
AD12 — Leakage Current — ±0.001 ±0.610 μAVINL = AVSS = VREFL =
0V, AV
DD = VREFH = 5V
Source Impedance =
2.5 KΩ
AD13 — Leakage Current — ±0.001 ±0.610 μAV
INL = AVSS = VREFL =
0V, AV
DD = VREFH = 3V
Source Impedance =
2.5 KΩ
AD17 RIN Recommended Impedance
of Analog Voltage Source
——1K
2.5K
Ω
Ω
10-bit
12-bit
ADC Accuracy (12-bit Mode)
AD20a Nr Resolution 12 data bits bits
AD21a INL Integral Nonlinearity
(2)
——<±2LSbVINL = AVSS = VREFL =
0V, AV
DD = VREFH = 3V
AD22a DNL Differential Nonlinearity
(2)
——<±1LSbVINL = AVSS = VREFL =
0V, AV
DD = VREFH = 3V
AD23a GERR Gain Error
(2)
TBD TBD ±3 LSb VINL = AVSS = VREFL =
0V, AV
DD = VREFH = 3V
AD24a E
OFF Offset Error
(2)
TBD TBD ±2 LSb VINL = AVSS = VREFL =
0V, AV
DD = VREFH = 3V
AD25a — Monotonicity
(1)
— — — — Guaranteed
Dynamic Performance (12-bit Mode)
AD30a THD Total Harmonic Distortion — TBD — dB —
AD31a SINAD Signal to Noise and
Distortion
—TBD— dB —
AD32a SFDR Spurious Free Dynamic
Range
—TBD— dB —
AD33a F
NYQ Input Signal Bandwidth — — 250 kHz —
AD34a ENOB Effective Number of Bits — TBD — bits —
ADC Accuracy (10-bit Mode)
AD20b Nr Resolution 10 data bits bits
AD21b INL Integral Nonlinearity — TBD <±2 LSb V
INL = AVSS = VREFL =
0V, AV
DD = VREFH = 3V
TABLE 26-40: ADC MODULE SPECIFICATIONS (CONTINUED)
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
Legend: TBD = To Be Determined
Note 1: The ADC conversion result never decreases with an increase in the input voltage, and has no missing
codes.
2: Measurements taken with external V
REF+ and VREF- used as the ADC voltage reference.