AD7680 Analog Devices, AD7680 Datasheet - Page 3

• 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

SPECIFICATIONS
Table 2. V
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION RATE
POWER REQUIREMENTS
1
2
3
4
Temperature range as follows: B Version: −40°C to +85°C.
See the Terminology section.
Sample tested during initial release to ensure compliance.
See the Power vs. Throughput Rate section.
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
V
I
Power Dissipation
DD
DD
Second-Order Terms
Third-Order Terms
Normal Mode (Static)
Normal Mode (Operational)
Full Power-Down Mode
Normal Mode (Operational)
Full Power-Down
DD
2
= 4.5 V to 5.5 V, f
2
IN
4
2
IN
INL
INH
2, 3
OL
OH
1
2
SCLK
2
2
= 2.5 MHz, f
2, 3
2
2
SAMPLE
A, B Versions
83
85
84
86
−97
−95
−94
−100
20
30
8
2.2
15
±4
±1.68
±0.038
0 to V
±0.3
30
2.8
0.4
±0.3
10
V
0.4
±0.3
10
Straight (Natural) Binary
8
9.6
1.5
400
100
4.5/5.5
5.2
4.8
0.5
26.4
2.75
= 100 kSPS, unless otherwise noted; T
DD
− 0.2
DD
Rev. A | Page 3 of 24
1
Unit
dB min
dB typ
dB min
dB typ
dB typ
dB typ
dB typ
dB typ
ns max
ps typ
MHz typ
MHz typ
Bits typ
LSB typ
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
V min/V max
mA max
mA max
μA max
mW max
μW max
Test Conditions/Comments
f
@ −3 dB
@ −0.1 dB
Typically 10 nA, V
I
I
20 SCLK cycles with SCLK at 2.5 MHz
24 SCLK cycles with SCLK at 2.5 MHz
Sine wave input ≤ 10 kHz
See the Serial Interface section
Digital I/P
SCLK on or off. V
f
SCLK on or off. V
V
f
SOURCE
SINK
IN
SAMPLE
SAMPLE
A
DD
= 10 kHz sine wave
= T
= 5.5 V
= 200 μA
= 200 μA
= 100 kSPS. V
= 100 kSPS
MIN
S
to T
= 0 V or V
MAX
DD
DD
IN
, unless otherwise noted
= 5.5 V
= 5.5 V
= 0 V or V
DD
DD
= 5.5 V; 3.3 mA typ
DD
AD7680