EVAL-AD7678CB Analog Devices Inc, EVAL-AD7678CB Datasheet - Page 3

• Manufacturer Part Number: EVAL-AD7678CB
• Description: BOARD EVALUATION FOR AD7678
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of EVAL-AD7678CB

• Number Of Adc's: 1
• Number Of Bits: 18
• Sampling Rate (per Second): 100k
• Data Interface: Serial, Parallel
• Inputs Per Adc: 1 Differential
• Input Range: ±VREF
• Power (typ) @ Conditions: 31mW @ 100kSPS
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7678
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

SPECIFICATIONS
Table 2. –40°C to +85°C, V
Parameter
RESOLUTION
ANALOG INPUT
THROUGHPUT SPEED
DC ACCURACY
AC ACCURACY
SAMPLING DYNAMICS
REFERENCE
Voltage Range
Operating Input Voltage
Analog Input CMRR
Input Current
Input Impedance
Complete Cycle
Throughput Rate
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise
Zero Error, T
Zero Error Temperature Drift
Gain Error, T
Gain Error Temperature Drift
Power Supply Sensitivity
Signal-to-Noise
Dynamic Range
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise + Distortion)
–3 dB Input Bandwidth
Aperture Delay
Aperture Jitter
Transient Response
Overvoltage Recovery
External Reference Voltage Range
REF Voltage with Reference Buffer
Reference Buffer Input Voltage Range
REFBUFIN Input Current
REF Current Drain
MIN
MIN
to T
to T
1
MAX
MAX
3
REF
= 4.096 V, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.
Conditions
V
V
f
100 kSPS Throughput
V
AVDD = 5 V ± 5%
f
V
f
f
V
f
f
f
f
f
f
f
f
Full-Scale Step
REF
REFBUFIN = 2.5 V
REFBUFIN
100 kSPS Throughput
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN+
IN+
REF
REF
IN+
= 100 kHz
= 2 kHz, V
= 10 kHz, V
= 45 kHz, V
= 2 kHz
= 10 kHz
= 45 kHz
= 2 kHz
= 10 kHz
= 45 kHz
= 2 kHz
= 2 kHz, –60 dB Input
, V
– V
= 5 V
= 4.096 V
= V
IN–
IN–
IN–
to AGND
= V
Rev. A | Page 3 of 28
REF
REF
REF
REF
= 5 V
/2 = 2.5 V
= 4.096 V
= 4.096 V
Min
18
–V
–0.1
0
–2.5
–1
18
–40
–0.048
98
3
4.05
1.8
–1
REF
Typ
65
0.7
±0.5
See Note 3
±1.6
±4
101
100
99.5
98
103
120
117
110
–118
–115
–110
100
41
900
2
5
2.5
42
4
4.096
4.096
Max
+V
AVDD + 0.1
10
100
+2.5
+1.75
±40
+0.048
8.5
8.5
AVDD + 0.1
4.15
2.6
+1
REF
AD7678
Unit
Bits
V
V
dB
μA
μs
kSPS
LSB
LSB
Bits
LSB
LSB
ppm/°C
% of FSR
ppm/°C
LSB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
kHz
ns
ps rms
μs
μs
V
V
V
μA
μA
4
2