AD7298-1 Analog Devices, AD7298-1 Datasheet - Page 4

• Manufacturer Part Number: AD7298-1
• Description: 8-Channel, 1 MSPS, 10-Bit SAR ADC
• Manufacturer: Analog Devices

Specifications of AD7298-1

• Resolution (bits): 10bit
• # Chan: 8
• Sample Rate: 1MSPS
• Interface: SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref),Uni 1.0V,Uni 1.25,Uni 2.0V,Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: CSP

AD7298-1
Parameter
LOGIC OUTPUTS
CONVERSION RATE
POWER REQUIREMENTS
1
2
3
4
5
6
All specifications expressed in decibels are referred to full-scale input FSR and tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
See the Terminology section.
Sample tested during initial release to ensure compliance.
Refers to the
I
Power dissipation is specified with V
TOTAL
Output High Voltage, V
Output Low Voltage, V
Floating State Leakage Current
Floating State Output Capacitance
Conversion Time
Track-and-Hold Acquisition Time
Throughput Rate
V
V
I
Power Dissipation
TOTAL
DD
DRIVE
Normal Mode (Operational)
Normal Mode (Static)
Partial Power-Down Mode
Full Power-Down Mode
Normal Mode (Operational)
Normal Mode (Static)
Partial Power-Down Mode
Full Power-Down Mode
is the total current flowing in V
5
V
REF
p
in specified for 25°C.
6
OL
OH
DD
DD
and V
= V
2, 3
DRIVE
3
DRIVE
= 3.6 V, unless otherwise noted.
.
Min
V
V
2.8
1.65
DRIVE
DRIVE
− 0.3
− 0.2
Rev. A | Page 4 of 24
Typ
±0.01
8
1
3
3
5.8
4.1
2.7
1
17.4
14.8
9.8
3.6
Max
0.4
±1
t
100
1
3.6
3.6
6.4
4.6
3.3
1.6
10
19.2
23
16.6
11.9
5.8
36
2
+ (16 × t
SCLK
)
Unit
V
V
V
μA
pF
μs
ns
MSPS
V
V
mA
mA
mA
μA
μA
mW
mW
mW
mW
μW
μW
Test Conditions/Comments
V
V
For V
Full-scale step input
f
conversions, one cycle latency
Digital inputs = 0 V or V
V
T
T
V
T
T
SCLK
A
A
A
A
DRIVE
DRIVE
DD
DD
= −40°C to +25°C
= −40°C to +125°C
= −40°C to +25°C
= −40°C to +125°C
= 3.6 V, V
= 3 V, V
= 20 MHz; for analog voltage
IN0
< 1.8
≥ 1.8
to V
DRIVE
IN7
DRIVE
with one cycle latency
= 3 V
= 3.6 V
DRIVE