AD7865 Analog Devices, AD7865 Datasheet - Page 2

• Manufacturer Part Number: AD7865
• Description: Fast, Low-Power, 4-Channel, Simultaneous Sampling, 14-bit ADC
• Manufacturer: Analog Devices

Specifications of AD7865

• Resolution (bits): 14bit
• # Chan: 4
• Sample Rate: 350kSPS
• Interface: Par
• Analog Input Type: SE-Bip,SE-Uni
• Ain Range: Bip 10V,Bip 2.5V,Bip 5.0V,Uni 2.5V,Uni 5.0V
• Adc Architecture: SAR
• Pkg Type: QFP

Parameter
SAMPLE AND HOLD
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUTS
AD7865–SPECIFICATIONS
–3 dB Full Power Bandwidth
Aperture Delay
Aperture Jitter
Aperture Delay Matching
Signal to (Noise + Distortion) Ratio
Total Harmonic Distortion
Peak Harmonic or Spurious Noise
Intermodulation Distortion
Channel-to-Channel Isolation
Resolution
Relative Accuracy (INL)
Differential Nonlinearity (DNL)
AD7865-1
AD7865-2
AD7865-3
AD7865-1
AD7865-2
AD7865-3
@ 25°C
T
2nd Order Terms
3rd Order Terms
Positive Gain Error
Positive Gain Error Match
Negative Gain Error
Negative Gain Error Match
Bipolar Zero Error
Bipolar Zero Error Match
Positive Gain Error
Positive Gain Error Match
Unipolar Offset Error
Unipolar Offset Error Match
Positive Gain Error
Positive Gain Error Match
Negative Gain Error
Negative Gain Error Match
Bipolar Zero Error
Bipolar Zero Error Match
Input Voltage Range
Input Current
Input Voltage Range
Input Current
Input Voltage Range
Input Current
MIN
AD7865-1, AD7865-3
AD7865-2
AD7865-1, AD7865-3
AD7865-2
to T
MAX
3
3
3
3
3
3
3
3, 4
3
2
3
3
3
3, 5
3
3
3
3
3, 4
3
77
A, Y Versions
3
20
50
4
78
77
76
–86
–86
–95
–95
–88
14
± 2
± 1
± 10
8
± 10
8
± 12
6
± 16
8
± 10
10
± 16
8
± 16
8
± 14
8
± 5, ± 10
1, 1
0 V to 2.5 V,
0 V to 5 V
10
1
± 2.5
1
(V
cations T
DD
1
= 5 V
4
77
76
B Version
3
20
50
78
77
–86
–86
–95
–95
–88
14
± 1.5
± 1
± 8
8
± 8
8
± 10
6
± 16
8
± 10
10
± 14
8
± 14
8
± 12
6
± 5, ± 10
1, 1
0 V to 2.5 V,
0 V to 5 V
10
1
± 2.5
1
MIN
to T
5%, AGND = DGND = 0 V, V
MAX
unless otherwise noted.)
ns max
dB min
dB min
LSB max
Unit
MHz typ
ns max
ps typ
dB min
dB min
dB max
dB max
dB typ
dB typ
dB max
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
Volts
mA max
Volts
µA max
mA max
Volts
mA max
REF
Test Conditions/Comments
f
Typically 80 dB
Typically 78 dB
fa = 49 kHz, fb = 50 kHz
f
Any Channel
Typically 0.6 LSBs
No Missing Codes Guaranteed
Typically ± 2 LSBs
Typically 2 LSBs
Typically ± 2 LSBs
Typically 2 LSBs
Typically ± 2 LSBs
Typically 1.5 LSBs
Typically ± 2 LSBs
Typically 2 LSBs
Typically ± 2 LSBs
Typically 2 LSBs
Typically ± 6 LSBs
Typically 2 LSBs
Typically ± 6 LSBs
Typically 2 LSBs
Typically ± 5 LSBs
Typically 2 LSBs
V
Typically 0.7 mA
V
V
V
IN
IN
= Internal. Clock = Internal; all specifi-
IN
IN
IN
IN
= 100 kHz, f
= 50 kHz Sine Wave
= –5 V and –10 V Respectively,
= 2.5 V, 0 V to 2.5 V Range, Typ 1 µA
= 5 V, 0 V to 5 V Range, Typ 0.7 mA
= –2.5 V, Typically 0.7 mA
S
= 350 kSPS