AD7680 Analog Devices, AD7680 Datasheet - Page 4

• Manufacturer Part Number: AD7680
• Manufacturer: Analog Devices

Specifications of AD7680

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 100kSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni Vdd
• Adc Architecture: SAR
• Pkg Type: SOP,SOT

AD7680
SPECIFICATIONS
Table 3. V
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION RATE
Signal-to-Noise + Distortion (SINAD)
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise (SFDR)
Intermodulation Distortion (IMD)
Aperture Delay
Aperture Jitter
Full Power Bandwidth
No Missing Codes
Integral Nonlinearity
Offset Error
Gain Error
Input Voltage Ranges
DC Leakage Current
Input Capacitance
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
Conversion Time
Track-and-Hold Acquisition Time
Throughput Rate
Second-Order Terms
Third-Order Terms
DD
2
= 2.5 V to 4.096 V, f
2
IN
2
INL
IN
INH
2, 3
OL
OH
1
2
SCLK
2
2
= 2.5 MHz, f
2, 3
2
2
A Version
83
82
86
84
83
86
−98
−95
−94
−100
20
30
7
5
2
1.6
14
±3.5
±3
±1.25
±1.098
±0.038
0 to V
±0.3
30
2.4
0.4
±0.3
10
V
0.4
±0.3
10
Straight (Natural) Binary
8
9.6
1.5
400
100
SAMPLE
DD
− 0.2
DD
= 100 kSPS, unless otherwise noted; T
1
Rev. A | Page 4 of 24
B Version
83
82
86
84
83
86
−98
−99
−94
−100
10
30
7
5
2
1.6
15
±3.5
±3
±1.25
±1.098
±0.038
0 to V
±0.3
30
2.4
0.4
±0.3
10
V
0.4
±0.3
10
8
9.6
1.5
400
100
DD
− 0.2
DD
1
Unit
dB min
dB min
dB typ
dB min
dB min
dB typ
dB typ
dB typ
dB typ
dB typ
ns max
ps typ
MHz typ
MHz typ
MHz typ
MHz typ
Bits min
LSB max
LSB max
mV max
mV max
% FS max
V
μA max
pF typ
V min
V max
μA max
pF max
V min
V max
μA max
pF max
μs max
μs max
μs max
ns max
kSPS
Test Conditions/Comments
f
V
V
V
V
@ −3 dB; V
@ −3 dB; V
@ −0.1 dB; V
@ −0.1 dB; V
V
V
V
V
Typically 10 nA, V
I
I
20 SCLK cycles with SCLK at 2.5 MHz
24 SCLK cycles with SCLK at 2.5 MHz
Full-scale step input
Sine wave input ≤ 10 kHz
See the Serial Interface section
A
SOURCE
SINK
IN
DD
DD
DD
DD
DD
DD
DD
DD
= T
= 10 kHz sine wave
= 4.096 V
= 2.5 V to 3.6 V
= 4.096 V
= 2.5 V to 3.6 V
= 4.096 V
= 2.5 V to 3.6 V
= 4.096 V
= 2.5 V to 3.6 V
= 200 μA
MIN
= 200 μA
to T
DD
DD
DD
DD
MAX
= 4.096 V
= 2.5 V to 3.6 V
= 4.096 V
= 2.5 V to 3.6 V
, unless otherwise noted.
IN
= 0 V or V
DD