PRELIMINARYTECHNICALDATA
(VDD=+2.35 V to +3.6 V, fSCLK=52 MHz, fSAMPLE=3MSPS unless otherwise noted;
TA=TMIN to TMAX, unless otherwise noted.)
AD7276-SPECIFICATIONS
Parameter
B Grade1
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)2
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise (SFDR)2
Intermodulation Distortion (IMD)2
Second Order Terms
Third Order Term
Aperture Delay
Aperture Jitter
Full Power Bandwidth
fIN = 1 MHz Sine Wave
70
71
-80
-82
dB min
dB min
dB typ
dB typ
-84
-84
TBD
TBD
TBD
TBD
dB typ
dB typ
ns typ
ps typ
fa= TBD kHz, fb= TBD kHz
fa= TBD kHz, fb= TBD kHz
MHz typ @ 3 dB
MHz typ @ 0.1dB
Full Power Bandwidth
DC ACCURACY
Resolution
12
1
1
Bits
LSB max
Integral Nonlinearity2
Differential Nonlinearity2
Offset Error2
LSB max Guaranteed No Missed Codes to 12 Bits
TBD LSB max
TBD LSB max
TBD LSB max
Gain Error2
Total Unadjusted Error (TUE)2
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
0 to VDD
Volts
µA max
pF typ
0.5
TBD
LOGIC INPUTS
Input High Voltage, VINH
0.7(VDD
2
0.2(VDD
0.8
)
)
V min
V min
V max
V max
2.35VрVddр2.7V
2.7V < Vddр 3.6V
2.35VрVdd< 2.7V
2.7V рVddр 3.6V
Input Low Voltage, VINL
Input Current, IIN,SCLK Pin
0.5
µA max Typically TBDnA, VIN= 0 V or VDD
Input Current, IIN, CS Pin
Input Capacitance, CIN
TBD
10
µA max
pF max
3
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance3
Output Coding
VDD - 0.2
V min
V max
µA max
pF max
ISOURCE= 200 µA;VDD= 2.35 V to 3.6V
ISINK=200 µA
0.2
1
10
Straight (Natural) Binary
CONVERSION RATE
Conversion Time
270
50
3
ns max
ns max
14 SCLK Cycles with SCLK at 52 MHz
Track/Hold Acquisition Time2
Throughput Rate
MSPS max See Serial Interface Section
POWER REQUIREMENTS
VDD
2.35/3.6
V min/max
ID D
Digital I/Ps 0V or VDD
Normal Mode(Static)
Normal Mode (Operational)
Full Power-Down Mode(Static)
Full Power-Down Mode(Dynamic)
2.5
4.5
1
mA typ
VDD= 2.35V to 3.6V, SCLK On or Off
mA max VDD= 2.35V to 3.6V, fSAMPLE = 3MSPS
µA max
mA typ
SCLK On or Off, typically TBD nA
DD= 3V, fSAMPLE = 1MSPS
TBD
V
Power Dissipation4
Normal Mode (Operational)
Full Power-Down
13.5
3
mW max VDD= 3V, fSAMPLE = 3MSPS
µW max VDD=3V
N O T E S
1Temperature range from –40°C to +85°C.
2See Terminology.
3Guranteed by Characterization.
4See Power Versus Throughput Rate section.
Specifications subject to change without notice.
REV. PrF
–4–