AD7866 查看數據表（PDF） - Analog Devices
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AD7866 Datasheet PDF : 25 Pages
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AD7866–SPECIFICATIONS (TA = TMIN to TMAX, VDD = 2.7 V to 5.25 V, VDRIVE = 2.7 V to 5.25 V, Reference = 2.5 V
External on DCAPA and DCAPB, fSCLK = 20 MHz, unless otherwise noted.)
Parameter
DYNAMIC PERFORMANCE
Signal to Noise + Distortion (SINAD)2
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise (SFDR)2
Intermodulation Distortion (IMD)2
Second Order Terms
Third Order Terms
Channel-to-Channel Isolation
SAMPLE AND HOLD
Aperture Delay3
Aperture Jitter3
Aperture Delay Matching3
Full Power Bandwidth
DC ACCURACY
Resolution
Integral Nonlinearity
Differential Nonlinearity
0 V to VREF Input Range
Offset Error
Offset Error Match
Gain Error
Gain Error Match
2 ϫ VREF Input Range
Positive Gain Error
Zero Code Error
Zero Code Error Match
Negative Gain Error
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
REFERENCE INPUT/OUTPUT
Reference Input Voltage
Reference Input Voltage Range4
DC Leakage Current
Input Capacitance
Reference Output Voltage5
VREF Output Impedance6
Reference Temperature Coefficient
REF OUT Error (TMIN to TMAX)
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN3
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance3
Output Coding
A Version1 B Version1 Unit
Test Conditions/Comments
68
68
dB min
fIN = 300 kHz Sine Wave, fS = 1 MSPS
–75
–75
dB max
fIN = 300 kHz Sine Wave, fS = 1 MSPS
–76
–76
dB max
fIN = 300 kHz Sine Wave, fS = 1 MSPS
–88
–88
dB typ
–88
–88
dB typ
–88
–88
dB typ
10
10
ns max
50
50
ps typ
200
200
ps max
12
12
MHz typ
@ 3 dB
2
2
MHz typ @ 0.1 dB
12
± 1.5
–0.95/+1.25
12
±1
± 1.5
–0.95/+1.25
Bits
LSB max
LSB max
LSB max
±8
±8
LSB max
± 1.2
± 1.2
LSB typ
± 2.5
± 2.5
LSB max
± 0.2
± 0.2
LSB typ
± 2.5
± 2.5
LSB max
±8
±8
LSB max
± 0.2
± 0.2
LSB typ
± 2.5
± 2.5
LSB max
0 to VREF
0 to 2 ϫ VREF
± 500
1
30
10
0 to VREF
V
0 to 2 ϫ VREF V
± 500
nA max
1
µA max
30
pF typ
10
pF typ
B Grade, 0 V to VREF Range Only; ±0.5 LSB typ
0 V to 2 ϫ VREF Range; ± 0.5 LSB typ
Guaranteed No Missed Codes to 12 Bits
Straight Binary Output Coding
–VREF to +VREF Biased about VREF with
Twos Complement Output Coding
RANGE Pin Low upon CS Falling Edge
RANGE Pin High upon CS Falling Edge
TA = –40ЊC to +85ЊC
85ЊC < TA ≤ 125ЊC
When in Track
When in Hold
2.5
2/3
± 30
± 160
20
2.45/2.55
25
45
50
± 15
2.5
2/3
± 30
± 160
20
2.45/2.55
25
45
50
± 15
V
V min/V max
µA max
µA max
pF typ
V min/V max
Ω typ
Ω typ
ppm/°C typ
mV typ
± 1% for Specified Performance
REF SELECT Pin Tied High
VREF Pin
DCAPA, DCAPB Pins
VDD = 5 V
VDD = 3 V
0.7 VDRIVE
0.3 VDRIVE
±1
10
0.7 VDRIVE
0.3 VDRIVE
±1
10
V min
V max
µA max
pF max
Typically 15 nA, VIN = 0 V or VDRIVE
VDRIVE – 0.2
0.4
VDRIVE – 0.2
0.4
±1
±1
10
10
Straight (Natural) Binary
Twos Complement
V min
V max
µA max
pF max
ISOURCE = 200 µA
ISINK = 200 µA
VDD = 2.7 V to 5.25 V
Selectable with Either Input Range
–2–
REV. A
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