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ADC122S706 Datasheet(PDF) 5 Page - Texas Instruments

No. de pieza ADC122S706
Descripción Electrónicos  Dual 12-Bit, 500 kSPS to 1 MSPS, Simultaneous Sampling A/D Converter
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

ADC122S706 Datasheet(HTML) 5 Page - Texas Instruments

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ADC122S706
www.ti.com
SNAS408A – NOVEMBER 2007 – REVISED MARCH 2013
ADC122S706 Converter Electrical Characteristics
(1)
The following specifications apply for VA = +4.5V to 5.5V, VD = +2.7V to VA, VREF = 2.5V, fSCLK = 8 to 16 MHz, DUAL = VD, fIN
= 100 kHz, CL = 25 pF, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX; all other limits are at TA = 25°C.
Symbol
Parameter
Conditions
Typical
Limits
Units(2)
STATIC CONVERTER CHARACTERISTICS
Resolution with No Missing Codes
12
Bits
Integral Non-Linearity
±0.5
±1
LSB (max)
INL
Integral Non-Linearity Matching
0.02
LSB
Differential Non-Linearity
±0.4
±0.95
LSB (max)
DNL
Differential Non-Linearity Matching
0.02
LSB
Offset Error
0.2
±3
LSB (max)
OE
Offset Error Matching
0.1
LSB
Positive Gain Error
−2
±5
LSB (max)
Positive Gain Error Matching
0.2
LSB
GE
Negative Gain Error
3
±8
LSB (max)
Negative Gain Error Matching
0.2
LSB
DYNAMIC CONVERTER CHARACTERISTICS
SINAD
Signal-to-Noise Plus Distortion Ratio
fIN = 100 kHz, −0.1 dBFS
72.5
69.5
dBc (min)
SNR
Signal-to-Noise Ratio
fIN = 100 kHz, −0.1 dBFS
73.2
71
dBc (min)
THD
Total Harmonic Distortion
fIN = 100 kHz, −0.1 dBFS
−83
−72
dBc (max)
SFDR
Spurious-Free Dynamic Range
fIN = 100 kHz, −0.1 dBFS
84
72
dBc (min)
ENOB
Effective Number of Bits
fIN = 100 kHz, −0.1 dBFS
11.8
11.25
bits (min)
Differential Input
26
MHz
Output at 70.7%FS
FPBW
−3 dB Full Power Bandwidth
with FS Input
Single-Ended Input
22
MHz
ISOL
Channel-to-Channel Isolation
fIN < 1 MHz
−90
dBc
ANALOG INPUT CHARACTERISTICS
−VREF
V (min)
VIN
Differential Input Range
+VREF
V (max)
IDCL
DC Leakage Current
VIN = VREF or VIN = -VREF
±1
µA (max)
In Track Mode
20
pF
CINA
Input Capacitance
In Hold Mode
3
pF
CMRR
Common Mode Rejection Ratio
See Specification Definitions
−90
dB
1.0
V (min)
VREF
Reference Voltage Range
VA
V (max)
DIGITAL INPUT CHARACTERISTICS
VIH
Input High Voltage
2.4
V (min)
VIL
Input Low Voltage
0.8
V (max)
IIN
Input Current(3)
VIN = 0V or VA
±1
µA (max)
CIND
Input Capacitance
2
4
pF (max)
DIGITAL OUTPUT CHARACTERISTICS
ISOURCE = 200 µA
VD − 0.02
VD − 0.2
V (min)
VOH
Output High Voltage
ISOURCE = 1 mA
VD − 0.09
V
ISINK = 200 µA
0.01
0.4
V (max)
VOL
Output Low Voltage
ISINK = 1 mA
0.08
V
IOZH, IOZL TRI-STATE Leakage Current
Force 0V or VA
±1
µA (max)
COUT
TRI-STATE Output Capacitance
Force 0V or VA
2
4
pF (max)
Output Coding
Binary 2'S Complement
(1)
Data sheet min/max specification limits are guaranteed by design, test, or statistical analysis.
(2)
Tested limits are guaranteed to TI's AOQL (Average Outgoing Quality Level).
(3)
The digital input pin, DUAL, has a leakage current of ±5 µA.
Copyright © 2007–2013, Texas Instruments Incorporated
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