Datasheet
ADC102S021
SNAS281G –FEBRUARY 2005–REVISED MARCH 2013
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ADC102S021 Converter Electrical Characteristics
(1)
The following specifications apply for V
A
= +2.7V to 5.25V, GND = 0V, C
L
= 50 pF, f
SCLK
= 0.8 MHz to 3.2 MHz, f
SAMPLE
= 50
ksps to 200 ksps, unless otherwise noted. Boldface limits apply for T
A
= T
MIN
to T
MAX
: all other limits T
A
= 25°C.
Parameter Test Conditions Typ Limits
(1)
Units
STATIC CONVERTER CHARACTERISTICS
Resolution with No Missing Codes 10 Bits
+0.3 LSB (max)
INL Integral Non-Linearity ±0.13
−0.4 LSB (min)
DNL Differential Non-Linearity ±0.13 ±0.4 LSB (max)
V
OFF
Offset Error +0.1 ±0.4 LSB (max)
OEM Channel to Channel Offset Error Match ±0.02 ±0.5 LSB (max)
FSE Full-Scale Error −0.11 ±0.7 LSB (max)
Channel to Channel Full-Scale Error
FSEM +0.02 ±0.5 LSB (max)
Match
DYNAMIC CONVERTER CHARACTERISTICS
V
A
= +2.7 to 5.25V
SINAD Signal-to-Noise Plus Distortion Ratio 61.8 61 dB (min)
f
IN
= 39.9 kHz, −0.02 dBFS
V
A
= +2.7 to 5.25V
SNR Signal-to-Noise Ratio 61.8 61.3 dB (min)
f
IN
= 39.9 kHz, −0.02 dBFS
V
A
= +2.7 to 5.25V
THD Total Harmonic Distortion −86 −72 dB (max)
f
IN
= 39.9 kHz, −0.02 dBFS
V
A
= +2.7 to 5.25V
SFDR Spurious-Free Dynamic Range 82 75 dB (min)
f
IN
= 39.9 kHz, −0.02 dBFS
V
A
= +2.7 to 5.25V
ENOB Effective Number of Bits 9.9 9.8 Bits (min)
f
IN
= 39.9 kHz, −0.02 dBFS
V
A
= +5.25V
Channel-to-Channel Crosstalk −87 dB
f
IN
= 39.9 kHz
Intermodulation Distortion, Second V
A
= +5.25V
−82 dB
Order Terms f
a
= 40.161 kHz, f
b
= 41.015 kHz
IMD
Intermodulation Distortion, Third Order V
A
= +5.25V
−81 dB
Terms f
a
= 40.161 kHz, f
b
= 41.015 kHz
V
A
= +5V 11 MHz
FPBW -3 dB Full Power Bandwidth
V
A
= +3V 8 MHz
ANALOG INPUT CHARACTERISTICS
V
IN
Input Range 0 to V
A
V
I
DCL
DC Leakage Current ±1 µA (max)
Track Mode 33 pF
C
INA
Input Capacitance
Hold Mode 3 pF
DIGITAL INPUT CHARACTERISTICS
V
A
= +5.25V 2.4 V (min)
V
IH
Input High Voltage
V
A
= +3.6V 2.1 V (min)
V
IL
Input Low Voltage 0.8 V (max)
I
IN
Input Current V
IN
= 0V or V
A
±0.1 ±10 µA (max)
C
IND
Digital Input Capacitance 2 4 pF (max)
(1) The min/max specification limits are specified by design, test, or statistical analysis.
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