AD7701AQ Analog Devices, AD7701AQ Datasheet - Page 2

• Manufacturer Part Number: AD7701AQ
• Description: LC2MOS 16-Bit A/D Converter
• Manufacturer: Analog Devices

AD7701–SPECIFICATIONS
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
T
T
Unipolar Input Range
Bipolar Input Range
V
V
V
V
I
OL
OH
IN
MIN
MIN
INL
INH
INL
INH
, Output Low Voltage
, Output High Voltage
, 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
4
3
5, 6
A, S Versions
16
0.1
f
f
f
507904/f
V
V
–(V
–(V
–0.4 V
0.8 V
2 V
0 to +2.5
10
1
0.8
2.0
0.8
3.5
10
0.4
DV
9
CLKIN
CLKIN
CLKIN
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)
2.5
10
REF
REF
REF
REF
REF
DD
+ 0.1
+ 0.1
REF
/256
/1024
/409,600
REF
– 1
+ 0.1)
+ 0.1)
+ 0.2
CLKIN
to +0.4 V
2
(T
4.096 MHz; Bipolar Mode: MODE = +5 V; A
AGND at A
A
REF
= +25 C; AV
IN
, unless otherwise noted.)
–2–
B, T Versions
16
0.1
f
f
f
507904/f
V
V
–(V
–(V
–0.4 V
0.8 V
2 V
0 to +2.5
10
1
0.8
2.0
0.8
3.5
10
0.4
DV
9
CLKIN
CLKIN
CLKIN
0.8 (+1.5/–12.5 T Version) LSB typ
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
0.5
2
0.6 ( 1.2 T Version)
REF
REF
2.5
10
1
DD
REF
DD
REF
REF
+ 0.1
+ 0.1
REF
= DV
/256
/1024
/409,600
REF
– 1
+ 0.2
+ 0.1)
+ 0.1)
CLKIN
to +0.4 V
DD
= +5 V; AV
2
REF
SS
= DV
Units
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 max
LSB typ
LSB rms typ
Hz
Hz
Hz
sec
V max
V max
V max
V max
V max
V min
V max
Volts
Volts
pF typ
nA typ
V max
V min
V max
V min
V max
V min
pF typ
IN
A max
A max
SS
Source Resistance = 1k
= –5 V; V
REF
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
= +2.5 V; f
IN
= 1.6 mA
< 0 (Unipolar) or
(Bipolar), the Device
= 100 A
IN
CLKIN
> V
1
with 1 nF to
REF
=
, the
REV. D