AD7863 Analog Devices, AD7863 Datasheet - Page 3

• Manufacturer Part Number: AD7863
• Description: Simultaneous Sampling Dual 175 kSPS 14-Bit A/D Converter
• Manufacturer: Analog Devices

Specifications of AD7863

• Resolution (bits): 14bit
• # Chan: 4
• Sample Rate: 175kSPS
• Interface: Par
• Analog Input Type: SE-Bip,SE-Uni
• Ain Range: Bip 10V,Bip 2.5V,Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: SOIC,SOP

SPECIFICATIONS
V
Table 1.
Parameter
SAMPLE AND HOLD
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUTS
DD
−3 dB Small Signal 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
Minimum Resolution for Which No
Relative Accuracy
Differential Nonlinearity
AD7863-10, AD7863-3
AD7863-2
AD7863-10
AD7863-3
AD7863-2
= 5 V ± 5%, AGND = DGND = 0 V, REF = Internal. All specifications T
@ 25°C
T
Second Order Terms
Third Order Terms
Missing Codes are Guaranteed
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
Input Voltage Range
Input Resistance
Input Voltage Range
Input Resistance
Input Voltage Range
Input Current
MIN
to T
MAX
2
2
4
4
4
4
3
4
2
4
4
4
4
4
4
4
4
A Version
7
35
50
350
78
77
−82
−82
−93
−89
−86
14
14
±2.5
+2 to −1
±10
10
±10
10
±10
8
±14
16
±14
10
±10
9
±2.5
3
2.5
100
1
Rev. B | Page 3 of 24
B Version
7
35
50
350
78
77
−82
−82
−93
−89
−86
14
14
±2
+2 to −1
±8
10
±8
10
±8
6
±10
9
±2.5
3
2.5
100
MIN
1
to T
MAX
Unit
MHz typ
ns max
ps typ
ps max
dB min
dB min
dB max
dB max
dB typ
dB typ
dB typ
Bits
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
V
kΩ typ
V
kΩ typ
V
nA max
, unless otherwise noted.
Test Conditions/Comments
f
−87 dB typ
−90 dB typ
fa = 49 kHz, fb = 50 kHz
f
Any channel
IN
IN
= 80.0 kHz, f
= 50 kHz sine wave
S
= 175 kSPS
AD7863