AD7684 Analog Devices, AD7684 Datasheet - Page 3

• Manufacturer Part Number: AD7684
• Manufacturer: Analog Devices

Specifications of AD7684

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 100kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p
• Adc Architecture: SAR
• Pkg Type: SOP

SPECIFICATIONS
VDD = 2.7 V to 5.5 V; V
Table 2.
Parameter
RESOLUTION
ANALOG INPUT
THROUGHPUT SPEED
REFERENCE
DIGITAL INPUTS
DIGITAL OUTPUTS
POWER SUPPLIES
TEMPERATURE RANGE
1
2
3
4
The inputs must be driven differentially 180° from each other. See Pin Configuration and Function Descriptions and Analog Inputs sections.
See the Typical Performance Characteristics section for more information.
With all digital inputs forced to VDD or GND, as required.
During acquisition phase.
Voltage Range
Absolute Input Voltage
Common-Mode Input Range
Analog Input CMRR
Leakage Current at 25°C
Input Impedance
Complete Cycle
Throughput Rate
DCLOCK Frequency
Voltage Range
Load Current
Logic Levels
Data Format
VDD
VDD Range
Operating Current
Standby Current
Power Dissipation
Specified Performance
V
V
I
I
Input Capacitance
V
V
IL
IH
IL
IH
OH
OL
2
1
3, 4
REF
= VDD; T
A
Conditions
+IN − (−IN)
+IN, −IN
+IN, −IN
f
Acquisition phase
100 kSPS, V
I
I
Specified performance
100 kSPS throughput
VDD = 5 V
VDD = 2.7 V
VDD = 5 V, 25°C
VDD = 5 V
VDD = 2.7 V
VDD = 2.7 V, 10 kSPS throughput
T
IN
SOURCE
SINK
MIN
= −40°C to +85°C, unless otherwise noted.
= 100 kHz
= +500 μA
to T
= −500 μA
MAX
+IN
= V
−IN
= V
REF
Rev. A | Page 3 of 16
/2 = 2.5 V
3
Min
16
−V
−0.1
0
0
0
0.5
−0.3
0.7 × VDD
−1
−1
VDD − 0.3
2.7
2.0
−40
REF
Serial 16 bits twos complement
See the Analog Inputs section
Typ
V
65
1
50
5
800
560
1
4
1.5
150
REF
/2
Max
+V
VDD + 0.1
V
10
100
2.9
VDD + 0.3
0.3 × VDD
VDD + 0.3
+1
+1
0.4
5.5
5.5
50
6
+85
REF
REF
/2 + 0.1
AD7684
Unit
Bits
V
V
V
dB
nA
μs
kSPS
MHz
V
μA
V
V
μA
μA
pF
V
V
V
V
μA
μA
nA
mW
mW
μW
°C