AD7701 Analog Devices, AD7701 Datasheet - Page 2

• Manufacturer Part Number: AD7701
• Description: 16-Bit Sigma-Delta ADC
• Manufacturer: Analog Devices

Specifications of AD7701

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 16kSPS
• Interface: Ser
• Analog Input Type: SE-Bip,SE-Uni
• Ain Range: Bip 2.5V,Uni 2.5V
• Adc Architecture: Sigma-Delta
• Pkg Type: DIP,SOIC,SOP

AD7701–SPECIFICATIONS
Bipolar Mode: MODE = +5 V; A
Parameter
STATIC PERFORMANCE
DYNAMIC PERFORMANCE
SYSTEM CALIBRATION
ANALOG INPUT
LOGIC INPUTS
LOGIC OUTPUTS
Resolution
Integral Nonlinearity
Differential Nonlinearity
Positive Full-Scale Error
Full-Scale Drift
Unipolar Offset Error
Unipolar Offset Drift
Bipolar Zero Error
Bipolar Zero Drift
Bipolar Negative Full-Scale Error
Bipolar Negative Full-Scale Drift
Noise (Referred to Output)
Sampling Frequency, f
Output Update Rate, f
Filter Corner Frequency, f
Settling Time to ± 0.0007% FS
Positive Full-Scale Overrange
Positive Full-Scale Overrange
Negative Full-Scale Overrange
Maximum Offset Calibration Range
Input Span
Unipolar Input Range
Bipolar Input Range
Input Capacitance
Input Bias Current
All Inputs Except CLKIN
CLKIN
V
V
Floating State Leakage Current
Floating State Output Capacitance
OL
OH
T
T
Unipolar Input Range
Bipolar Input Range
V
V
V
V
I
IN
, Output Low Voltage
, Output High Voltage
MIN
MIN
INL
INH
INL
INH
, Input Current
, Input Low Voltage
, Input Low Voltage
, Input High Voltage
, Input High Voltage
to T
to T
7
MAX
MAX
4
4
3
1
4
3
S
OUT
3
–3 dB
IN
Source Resistance = 1k
4
3
5, 6
A, S Version
16
± 0.003
± 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
f
f
f
507904/f
V
V
–(V
–(V
–0.4 V
0.8 V
2 V
0 to 2.5
± 2.5
10
1
0.8
2.0
0.8
3.5
10
0.4
DV
± 10
9
CLKIN
CLKIN
CLKIN
REF
REF
REF
DD
REF
REF
+ 0.1
+ 0.1
REF
/256
/1024
/409,600
REF
– 1
+ 0.2
+ 0.1)
+ 0.1)
CLKIN
to +0.4 V
2
(T
REF
A
1
with 1 nF to AGND at A
= 25 C; AV
B, T Version
16
± 0.0007
± 0.0015
± 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
f
f
f
507904/f
V
V
–(V
–(V
–0.4 V
0.8 V
2 V
0 to 2.5
± 2.5
10
1
0.8
2.0
0.8
3.5
10
0.4
DV
± 10
9
–2–
CLKIN
CLKIN
CLKIN
REF
REF
DD
REF
DD
REF
REF
= DV
+ 0.1
+ 0.1
REF
/256
/1024
/409,600
REF
– 1
+ 0.1)
+ 0.1)
+ 0.2
CLKIN
DD
to +0.4 V
= +5 V; AV
IN
2
; unless otherwise noted.)
REF
SS
= DV
Unit
Bits
% FSR typ
% FSR max
LSB typ
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
Hz
Hz
Hz
sec
V max
V max
V max
V max
V max
V min
V max
V
V
pF typ
nA typ
V max
V min
V max
V min
µA max
V max
V min
µA max
pF typ
SS
= –5 V; V
REF
= +2.5 V; f
Test Conditions/Comments
Guaranteed No Missing Codes
For Full-Scale Input Step
Applies to unipolar and
bipolar ranges. After cali-
bration, if A
device will output all 1s.
If A
–V
will output all 0s.
I
I
SINK
SOURCE
REF
IN
= 1.6 mA
< 0 (unipolar) or
(bipolar), the device
= 100 µA
CLKIN
IN
> V
= 4.096 MHz;
REF
, the
REV. E