AD7701(RevD) Ver la hoja de datos (PDF) - Analog Devices
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AD7701 Datasheet PDF : 16 Pages
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(TA = +25؇C; AVDD = DVDD = +5 V; AVSS = DVSS = –5 V; VREF = +2.5 V; fCLKIN =
AD7701–SPECIFICATIONS 4.096 MHz; Bipolar Mode: MODE = +5 V; AIN Source Resistance = 1k ⍀1 with 1 nF to
AGND at AIN, unless otherwise noted.)
Parameter
A, S Versions2
B, T Versions2
Units
Test Conditions/Comments
STATIC PERFORMANCE
Resolution
Integral Nonlinearity
TMIN to TMAX
Differential Nonlinearity
TMIN to TMAX
Positive Full-Scale Error3
Full-Scale Drift4
Unipolar Offset Error3
Unipolar Offset Drift4
Bipolar Zero Error3
Bipolar Zero Drift4
Bipolar Negative Full-Scale Error3
Bipolar Negative Full-Scale Drift4
Noise (Referred to Output)
16
16
Bits
± 0.003
± 0.0007
± 0.0015
% FSR typ
% FSR max
± 0.125
± 0.5
± 0.13
± 0.5
± 1.2 (± 2.3 S Version)
± 0.25
±1
± 1.6 (+3/–25 S Version)
± 0.25
±1
± 0.8 (+1.5/–12.5 S Version)
± 0.5
±2
± 0.6 (± 1.2 S Version)
0.1
± 0.125
± 0.5
± 0.13
± 0.5
± 1.2 (± 2.3 T Version)
± 0.25
±1
± 1.6 (+3/–25 T Version)
± 0.25
±1
± 0.8 (+1.5/–12.5 T Version)
± 0.5
±2
± 0.6 (± 1.2 T Version)
0.1
LSB typ Guaranteed No Missing Codes
LSB max
LSB typ
LSB max
LSB typ
LSB typ
LSB max
LSB typ
LSB typ
LSB max
LSB typ
LSB typ
LSB max
LSB typ
LSB rms typ
DYNAMIC PERFORMANCE
Sampling Frequency, fS
Output Update Rate, fOUT
Filter Corner Frequency, f –3 dB
Settling Time to ± 0.0007% FS
fCLKIN/256
fCLKIN/1024
fCLKIN/409,600
507904/fCLKIN
SYSTEM CALIBRATION
Positive Full-Scale Overrange
Positive Full-Scale Overrange
Negative Full-Scale Overrange
Maximum Offset Calibration Range5, 6
Unipolar Input Range
Bipolar Input Range
Input Span7
VREF + 0.1
VREF + 0.1
–(VREF + 0.1)
–(VREF + 0.1)
–0.4 VREF to +0.4 VREF
0.8 VREF
2 VREF + 0.2
ANALOG INPUT
Unipolar Input Range
Bipolar Input Range
Input Capacitance
Input Bias Current1
0 to +2.5
± 2.5
10
1
fCLKIN/256
fCLKIN/1024
fCLKIN/409,600
507904/fCLKIN
VREF + 0.1
VREF + 0.1
–(VREF + 0.1)
–(VREF + 0.1)
–0.4 VREF to +0.4 VREF
0.8 VREF
2 VREF + 0.2
0 to +2.5
± 2.5
10
1
Hz
Hz
Hz
sec
V max
V max
V max
V max
V max
V min
V max
Volts
Volts
pF typ
nA typ
For Full-Scale Input Step
Applies to Unipolar and
Bipolar Ranges. After Cali-
bration, If AIN > VREF, the
Device Will Output All 1s
If AIN < 0 (Unipolar) or
–VREF (Bipolar), the Device
Will Output All 0s.
LOGIC INPUTS
All Inputs Except CLKIN
VINL, Input Low Voltage
VINH, Input High Voltage
CLKIN
VINL, Input Low Voltage
VINH, Input High Voltage
IIN, Input Current
LOGIC OUTPUTS
VOL, Output Low Voltage
VOH, Output High Voltage
Floating State Leakage Current
Floating State Output Capacitance
0.8
2.0
0.8
3.5
10
0.4
DVDD – 1
± 10
9
0.8
2.0
0.8
3.5
10
0.4
DVDD – 1
± 10
9
V max
V min
V max
V min
µA max
V max
V min
µA max
pF typ
ISINK = 1.6 mA
ISOURCE = 100 µA
–2–
REV. D
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