AD7766 Analog Devices, AD7766 Datasheet - Page 4

• Manufacturer Part Number: AD7766
• Description: 24-Bit, 8.5 mW, 109 dB, 128/64/32 kSPS ADCs
• Manufacturer: Analog Devices

Specifications of AD7766

• Resolution (bits): 24bit
• # Chan: 1
• Sample Rate: 128kSPS
• Interface: Ser
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p
• Adc Architecture: SAR
• Pkg Type: SOP

AD7766
Parameter
DIGITAL FILTER RESPONSE
REFERENCE INPUT
DIGITAL INPUTS (Logic Levels)
DIGITAL OUTPUTS
POWER REQUIREMENTS
CURRENT SPECIFICATIONS
POWER DISSIPATION
1
2
Specifications are for all devices, AD7766, AD7766-1, and AD7766-2.
See the Terminology section.
Group Delay
Settling Time (Latency)
Pass-Band Ripple
Pass Band
−3 dB Bandwidth
Stop-Band Frequency
Stop-Band Attenuation
V
V
V
Input Leakage Current
Input Capacitance
Master Clock Rate
Serial Clock Rate
Data Format
V
V
AV
DV
V
AD7766 Operational Current
AD7766-1 Operational Current
AD7766-2 Operational Current
Static Current with MCLK Stopped
Power-Down Mode Current
AD7766 Operational Power
AD7766-1 Operational Power
AD7766-2 Operational Power
REF+
IL
IH
OL
OH
DRIVE
AI
DI
I
AI
DI
I
AI
DI
I
AI
DI
AI
DI
DD
DD
REF
REF
REF
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
Input Voltage
1
1
1
1
1
Test Conditions/Comments
Complete settling
Serial 24 bits, twos complement
(MSB first)
I
I
± 5%
± 5%
MCLK = 1.024 MHz
128 kHz output data rate
64 kHz output data rate
32 kHz output data rate
For all devices
For all devices
MCLK = 1.024 MHz
128 kHz output data rate
64 kHz output data rate
32 kHz output data rate
SINK
SOURCE
= +500 μA
= −500 μA
Rev. C | Page 4 of 24
Min
100
2.4
−0.3
0.7 × V
V
1.7
DRIVE
– 0.3
DRIVE
Typ
37/ODR
74/ODR
0.453 × ODR
0.49 × ODR
0.547 × ODR
5
2.5
2.5
2.5
1.3
3.9
0.35
1.3
2.2
0.35
1.3
1.37
0.35
0.9
1
0.1
1
15
10.5
8.5
Max
±0.005
2 × AV
+0.3 × V
V
±1
1.024
1/t
0.4
3.6
1.5
4.8
0.425
1.5
2.85
0.425
1.5
1.86
0.425
1
93
6
93
18
13
10.5
DRIVE
8
+ 0.3
DD
DRIVE
Unit
μs
μs
dB
Hz
Hz
Hz
dB
V
V
V
μA/pin
pF
MHz
Hz
V
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
μA
μA
μA
mW
mW
mW