ad7883br Analog Devices, Inc., ad7883br Datasheet - Page 2

• Manufacturer Part Number: ad7883br
• Description: Lc2mos 12-bit, 3.3 V Sampling Adc
• Manufacturer: Analog Devices, Inc.

Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION
POWER REQUIREMENTS
NOTES
1
2
3
4
Specifications subject to change without notice.
MODE = Logic High. All specifications T
AD7883–SPECIFICATIONS
Temperature range is as follows: B Versions, –40 C to +85 C.
V
SNR calculation includes distortion and noise components.
Sample tested @ +25 C to ensure compliance.
IN
Signal-to-Noise Ratio
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Resolution
Integral Nonlinearity
Differential Nonlinearity
Full-Scale Error
Bipolar Zero Error
Unipolar Offset Error
Input Voltage Ranges
Input Resistance
V
I
CONVST, RD, CS, CLKIN
MODE INPUT
DB11–DB0, BUSY
DB11–DB0
Conversion Time
Track/Hold Acquisition Time
V
I
Power Dissipation
REF
DD
REF
DD
= 0 to V
Third Order Terms
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Floating-State Output Capacitance
Normal Power Mode @ +25 C
Power Save Mode @ +25 C
Normal Power Mode @ +25 C
Power Save Mode @ +25 C
Second Order Terms
Input High Voltage, V
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
T
T
T
T
(For Specified Performance)
MIN
MIN
MIN
MIN
REF
to T
to T
to T
to T
.
MAX
MAX
MAX
MAX
IN
IN
3
(SNR)
IN
IN
INL
INL
INH
INH
4
4
OL
OH
2
MIN
4
to T
B Versions
69
–80
–80
–80
–80
12
0 to V
10
5/12
V
1.2
2.1
0.6
10
V
0.2
10
2.4
0.4
10
15
5
+3.3
3
4
400
800
11
15
1.5
3
2
1
20
12
3
V
10
100
10
DD
DD
MAX
REF
–0.2
unless othewise noted.)
REF
1
(V
DD
Units
dB min
dB typ
dB typ
dB typ
dB typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
Volts
Volts
M min
k min/max
V
mA max
V min
V max
pF max
V
V
pF max
V min
V max
pF max
V nom
mA max
mA max
mW max
mW max
mW max
mW max
A max
A max
A max
s max
s max
A max
A max
= +3 V to +3.6 V, V
–2–
Test Conditions/Comments
Typically SNR Is 71 dB
V
V
V
fa = 0.983 kHz, fb = 1.05 kHz, f
fa = 0.983 kHz, fb = 1.05 kHz, f
All DC ACCURACY Specifications Apply for the Two
Analog Input Ranges
Guaranteed Monotonic
See Figure 4
See Figure 5
0 to V
8 k typical: V
V
V
I
I
f
+3 V to +3.6 V for Specified Performance
Typically 2 mA; MODE = V
Typically 2.5 mA; MODE = V
Logic Inputs @ 0 V or V
Logic Inputs @ 0 V or V
V
V
V
V
SOURCE
SINK
CLKIN
IN
IN
IN
IN
IN
DD
DD
DD
DD
REF
= 1 kHz Sine Wave, f
= 1 kHz Sine Wave, f
= 1 kHz, f
= 0 V or V
= 0 V or V
= 3.6 V: Typically 8 mW; MODE = V
= 3.6 V: Typically 9 mW; MODE = V
= 3.6 V: Typically 1 mW; MODE = 0 V
= 3.6 V: Typically 1 mW; MODE = 0 V
= 0.8 mA
REF
= 2 MHz
= V
= 200 A
Range
DD
, AGND = DGND = 0 V, f
SAMPLE
DD
DD
REF
Range
= 50 kHz
DD
DD
SAMPLE
SAMPLE
; MODE = 0 V; Typically 250 A
; MODE = 0 V; Typically 300 A
DD
DD
SAMPLE
SAMPLE
= 50 kHz
= 50 kHz
CLKIN
= 2 MHz,
= 50 kHz
= 50 kHz
DD
DD
REV. 0