AD7899 Analog Devices, AD7899 Datasheet - Page 3

• Manufacturer Part Number: AD7899
• Description: 5 V Single Supply 14-Bit 400 kSPS ADC
• Manufacturer: Analog Devices

Specifications of AD7899

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 400kSPS
• Interface: Par
• Analog Input Type: SE-Bip,SE-Uni
• Ain Range: Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 2.5V,Bip 5.0V,Uni (Vref),Uni (Vref) x 2,Uni 2.5V,Uni 5.0V
• Adc Architecture: SAR
• Pkg Type: SOIC,SOP

Parameter
L
LOGIC OUTPUTS
CONVERSION RATE
POWER REQUIREMENTS
NOTES
1
2
3
4
Specifications subject to change without notice.
Sample tested @ 25°C to ensure compliance.
Temperature Ranges are as follows : A, B Versions: –40 C to +85 C. S Version: –55°C to +125°C.
Performance measured through full channel (SHA and ADC).
See Terminology.
OGIC INPUTS
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
DB13–DB0
Output Coding
Conversion Time
Track/Hold Acquisition Time
Throughput Time
V
I
Power Dissipation
DD
DD
High Impedance
AD7899-1, AD7899-3
AD7899-2
Normal Mode
Standby Mode
Normal Mode
Standby Mode
Leakage Current
Capacitance
IN
4
IN
INL
INH
4
OL
OH
2, 3
A
Version
V
V
± 10
10
V
0.4
± 10
10
2.2
0.3
400
5
25
20
125
100
DRIVE
DRIVE
DRIVE
/2 + 0.4 V
/2 – 0.4
– 0.4
1
B
Version
V
± 10
10
V
0.4
± 10
10
Straight (Natural) Binary
2.2
0.3
400
5
25
20
125
100
Two’s Complement
DRIVE
DRIVE
DRIVE
/2 + 0.4 V
/2 – 0.4
– 0.4
1
S
Version
V
± 10
10
V
0.4
± 10
10
2.2
0.3
400
5
25
20
125
125
DRIVE
DRIVE
DRIVE
/2 + 0.4
/2 – 0.4
– 0.4
1
Unit
V min
V max
µA max
pF max
V min
V max
µA max
pF max
µs max
µs max
kSPS max
V nom
mA max
µA max
mW max
µW max
Test Conditions/Comments
V
V
I
I
Typically 16 mA
(5 µA typ) Logic Inputs = 0 V or
V
Typically 80 mW, V
SOURCE
SINK
DD
DD
DD
= 5 V ± 5%
= 5 V ± 5%
= 1.6 mA
= 400 µA
DD
AD7899
= 5 V