AD7699 Analog Devices, AD7699 Datasheet - Page 3

• Manufacturer Part Number: AD7699
• Description: 16-Bit, 8-Channel, 500 kSPS PulSAR ADC
• Manufacturer: Analog Devices

Specifications of AD7699

• Resolution (bits): 16bit
• # Chan: 8
• Sample Rate: 500kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni,SE-Bip,SE-Uni
• Ain Range: (Vref) p-p,4 V p-p,Bip (Vref) x 0.5,Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: CSP

Data Sheet
SPECIFICATIONS
VDD = 4.5 V to 5.5 V, V
Table 2.
Parameter
RESOLUTION
ANALOG INPUT
THROUGHPUT
ACCURACY
AC Accuracy
SAMPLING DYNAMICS
SINAD
Total Harmonic Distortion
Voltage Range
Absolute Input Voltage
Analog Input CMRR
Leakage Current at 25°C Input
Conversion Rate
Transient Response
No Missing Codes
Integral Linearity Error
Differential Linearity Error
Transition Noise
Gain Error
Gain Error Match
Gain Error Temperature Drift
Offset Error
Offset Error Match
Offset Error Temperature Drift
Power Supply Sensitivity
Dynamic Range
Signal-to-Noise
Spurious-Free Dynamic Range
Channel-to-Channel Crosstalk
−3 dB Input Bandwidth
Aperture Delay
Full Bandwidth
¼ Bandwidth
Impedance
4
4
1
2
2
REF
= 4.096 to VDD, VIO = 1.8 V to VDD, all specifications T
Conditions/Comments
Unipolar mode
Bipolar mode
Positive input, unipolar and bipolar modes
Negative or COM input, unipolar mode
Negative or COM input, bipolar mode
f
Acquisition phase
Full-scale step, full bandwidth
Full-scale step, ¼ bandwidth
REF = VDD = 5 V
All modes
All modes
VDD = 5 V ± 5%
f
f
f
f
f
f
f
f
Full bandwidth
¼ bandwidth
VDD = 5 V
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 250 kHz
= 20 kHz, VREF = 5 V
= 20 kHz, VREF = 4.096 V internal REF
= 20 kHz, VREF = 5 V
= 20 kHz, VREF = 5 V, −60 dB input
= 20 kHz, VREF = 4.096 V internal REF
= 20 kHz
= 20 kHz
= 100 kHz on adjacent channel(s)
Rev. A | Page 3 of 28
MIN
to T
MAX
Min
16
0
−V
−0.1
−0.1
V
0
0
16
−1.5
−1
−10
−3
−10
−3
92
89.5
90
89
REF
, unless otherwise noted.
REF
/2 − 0.1
/2
Typ
V
68
1
±0.5
±0.25
0.5
±1
±1
±0.3
±1
±1
±0.3
±1.5
93.3
92.5
91.5
91.5
33.5
90.5
−97
112
−125
14
3.6
2.5
REF
/2
Max
+V
+V
V
+0.1
V
500
125
400
1600
+1.5
+1.5
+10
+3
+10
+3
REF
REF
REF
REF
/2 + 0.1
+ 0.1
/2
AD7699
ns
Unit
Bits
V
V
V
V
V
dB
nA
kSPS
kSPS
ns
ns
Bits
LSB
LSB
LSB
LSB
LSB
ppm/°C
LSB
LSB
ppm/°C
LSB
dB
dB
dB
dB
dB
dB
dB
dB
dB
MHz
MHz
5
3