AD7703AN Analog Devices Inc, AD7703AN Datasheet - Page 2

• Manufacturer Part Number: AD7703AN
• Description: IC ADC 20BIT LC2MOS 20-DIP
• Manufacturer: Analog Devices Inc

Specifications of AD7703AN

• Rohs Status: RoHS non-compliant
• Number Of Bits: 20
• Sampling Rate (per Second): 4k
• Data Interface: Serial
• Number Of Converters: 1
• Power Dissipation (max): 37mW
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)

AD7703–SPECIFICATIONS
BP/UP = +5 V; MODE = +5 V; A
Parameter
STATIC PERFORMANCE
DYNAMIC PERFORMANCE
SYSTEM CALIBRATION
ANALOG INPUT
LOGIC INPUTS
LOGIC OUTPUTS
POWER REQUIREMENTS
Resolution
Integral Nonlinearity, T
Differential Nonlinearity, T
Positive Full-Scale Error
Full-Scale Drift
Unipolar Offset Error
Unipolar Offset Drift
Bipolar Zero Error
Bipolar Zero Drift
Bipolar Negative Full-Scale Errors
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 Calibration Range
Positive Full-Scale Overrange
Negative Full-Scale Overrange
Maximum Offset Calibration Ranges
Input Span
Unipolar Input Range
Bipolar Input Range
Input Capacitance
Input Bias Current
All Inputs Except CLKIN
CLKIN
I
V
V
Floating State Leakage Current
Floating State Output Capacitance
Power Supply Voltages
IN
OL
OH
, Input Current
25°C
T
Unipolar Input Range
Bipolar Input Range
V
V
V
V
Analog Positive Supply (AV
Digital Positive Supply (DV
Analog Negative Supply (AV
Digital Negative Supply (DV
Calibration Memory Retention
Power Supply Voltage
, Output Low Voltage
, Output High Voltage
MIN
INL
INH
INL
INH
, Input Low Voltage
, Input Low Voltage
, Input High Voltage
, Input High Voltage
to T
7
MAX
4
4
3
1
4
3
S
OUT
MIN
3
MIN
–3 dB
to T
to T
DD
DD
SS
SS
MAX
IN
4
)
)
)
)
MAX
3
Source Resistance = 1 k
5, 6
A/S Version
20
±0.0015
±0.003
±0.003
±0.5
±4
±16
±19/±37
±4
±16
±26
±67 +48/–400
±4
±16
±13
±34 +24/–200
±8
±32
±10/±20
1.6
f
f
f
507904/f
V
V
–(V
–(V
–0.4 V
0.8 V
2 V
0 to 2.5
±2.5
20
1
0.8
2.0
0.8
3.5
10
0.4
DV
±10
9
4.5/5.5
4.5/AV
–4.5/–5.5
–4.5/–5.5
2.0
CLKIN
CLKIN
CLKIN
REF
REF
REF
DD
REF
REF
+ 0.1
+ 0.1
REF
/256
/1024
/409,600
– 1
REF
DD
+ 0.2
+ 0.1)
+ 0.1)
CLKIN
to +0.4 V
2
REF
(T
A
B Version
20
±0.0007
±0.0015
±0.0015
±0.5
±4
±16
±19
±4
±16
±26
±67
±4
±16
±13
±34
±8
±32
±10
1.6
f
f
f
507904/f
V
V
–(V
–(V
–0.4 V
0.8 V
2 V
0 to 2.5
±2.5
1
0.8
2.0
0.8
3.5
10
0.4
DV
9
4.5/5.5
4.5/AV
–4.5/–5.5
–4.5/–5.5
2.0
20
±10
CLKIN
CLKIN
CLKIN
1
= 25 C; AV
REF
REF
with 1 nF to AGND at A
REF
DD
REF
REF
+ 0.1
+ 0.1
REF
/256
/1024
/409,600
REF
– 1
DD
+ 0.1)
+ 0.1)
+ 0.2
CLKIN
to +0.4 V
2
–2–
DD
= DV
REF
DD
C Version
20
±0.0003
±0.0008
±0.0012
±0.5
±4
±16
±19
±4
±16
±26
±67
±4
±16
±13
±34
±8
±32
±10
1.6
f
f
f
507904/f
V
V
–(V
–(V
–0.4 V
0.8 V
2 V
0 to 2.5
±2.5
20
1
0.8
2.0
0.8
3.5
10
0.4
DV
±10
9
4.5/5.5
4.5/AV
–4.5/–5.5
–4.5/–5.5
2.0
= +5 V; AV
CLKIN
CLKIN
CLKIN
REF
REF
IN
REF
REF
REF
DD
+ 0.1
; unless otherwise noted.)
+ 0.1
REF
/256
/1024
/409,600
REF
– 1
DD
+ 0.2
+ 0.1)
+ 0.1)
CLKIN
to +0.4 V
2
SS
= DV
REF
SS
= –5 V; V
% FSR typ
% FSR max
% FSR max
LSB typ
LSB typ
LSB typ
V min/V max For Specified Performance
Unit
Bits
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
V min/V max
V min/V max
V min/V max
V min
REF
= +2.5 V; f
Guaranteed No Missing Codes
Test Conditions/Comments
Temp Range: 0°C to +70°C
Specified Temp Range
Temp Range: 0°C to +70°C
Specified Temp Range
For Full-Scale Input Step
System calibration applies to
unipolar and bipolar ranges.
After calibration, if A
the device will output all 1s.
If A
(bipolar), the device will
output all 0s.
I
I
SINK
SOURCE
IN
= 1.6 mA
< 0 (unipolar) or –V
= 100 µA
CLKIN
= 4.096 MHz;
IN
REV. E
> V
REF
REF
,