AD7904/AD7914/AD7924
Data Sheet
Parameter
B Version1
Unit
Test Conditions/Comments
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance3
Output Coding
VDRIVE − 0.2
0.4
1
V min
ISOURCE = 200 μA, AVDD = 2.7 V to 5.25 V
ISINK = 200 μA
V max
μA max
pF max
10
Straight (natural) binary
Twos complement
CODING bit set to 1
CODING bit set to 0
CONVERSION RATE
Conversion Time
800
300
300
1
ns max
ns max
ns max
MSPS max
16 SCLK cycles with SCLK at 20 MHz
Sine wave input
Full-scale step input
Track-and-Hold Acquisition Time2
Throughput Rate
See the Serial Interface section
POWER REQUIREMENTS
VDD
2.7/5.25
2.7/5.25
V min/V max
V min/V max
VDRIVE
4
IDD
Digital inputs = 0 V or VDRIVE
AVDD = 2.7 V to 5.25 V, SCLK on or off
AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz
AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz
fSAMPLE = 250 kSPS
Normal Mode (Static)
Normal Mode (Operational)
600
2.7
2
960
0.5
0.5
μA typ
mA max
mA max
μA typ
μA max
μA max
Auto Shutdown Mode
Static
Full Shutdown Mode
Power Dissipation4
SCLK on or off (20 nA typ)
Normal Mode (Operational)
13.5
6
2.5
1.5
2.5
1.5
mW max
mW max
μW max
μW max
μW max
μW max
AVDD = 5 V, fSCLK = 20 MHz
AVDD = 3 V, fSCLK = 20 MHz
AVDD = 5 V
AVDD = 3 V
AVDD = 5 V
Auto Shutdown Mode (Static)
Full Shutdown Mode
AVDD = 3 V
1 Temperature range for B versions: −40°C to +85°C.
2 See the Terminology section.
3 Sample tested @ 25°C to ensure compliance.
4 See the Power vs. Throughput Rate section.
Rev. C | Page 6 of 32
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