參數(shù)資料
型號： AD7478AAKSZ-REEL
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:3; Connector Shell Size:28; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight
中文描述： 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6
封裝： ROHS COMPLIANT, MO-203AB, SC-70, 6 PIN
文件頁數(shù)： 4/24頁
文件大?。?/td> 580K
代理商： AD7478AAKSZ-REEL
REV. C
–4–
AD7476A/AD7477A/AD7478A
AD7478A–SPECIFICATIONS
1
(
V
DD
= 2.35 V to 5.25 V, f
SCLK
= 20 MHz, f
SAMPLE
= 1 MSPS, unless otherwise noted;
T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
Parameter
A Grade
2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)
3
Total Harmonic Distortion (THD)
3
Peak Harmonic or Spurious Noise (SFDR)
3
Intermodulation Distortion (IMD)
3
Second-Order Terms
Third-Order Terms
Aperture Delay
Aperture Jitter
Full Power Bandwidth
f
IN
= 100 kHz Sine Wave
49
–
65
–
65
dB min
dB max
dB max
–
76
–
76
10
30
13.5
2
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
fa = 100.73 kHz, fb = 90.7 kHz
fa = 100.73 kHz, fb = 90.7 kHz
@ 3 dB
@ 0.1 dB
Parameter
A Grade
2
Unit
Test Conditions/Comments
LOGIC INPUTS
Input High Voltage, V
INH
2.4
1.8
0.8
0.4
±
0.5
±
10
5
V min
V min
V max
V max
μ
A max
nA typ
pF max
V
DD
= 2.35 V
V
DD
= 5 V
V
DD
= 3 V
Typically 10 nA, V
IN
= 0 V or V
DD
Input Low Voltage, V
INL
Input Current, I
IN
, SCLK Pin
Input Current, I
IN
,
CS
Pin
Input Capacitance, C
IN5
LOGIC OUTPUTS
Output High Voltage, V
OH
Output Low Voltage, V
OL
Floating-State Leakage Current
Floating-State Output Capacitance
5
Output Coding
V
DD
–
0.2
0.4
±
1
5
Straight (Natural) Binary
V min
V max
μ
A max
pF max
I
SOURCE
= 200
μ
A, V
DD
= 2.35 V to 5.25 V
I
SINK
= 200
μ
A
CONVERSION RATE
Conversion Time
Track-and-Hold Acquisition Time
3
Throughput Rate
700
250
1
ns max
ns max
MSPS max
14 SCLK Cycles with SCLK at 20 MHz
POWER REQUIREMENTS
V
DD
I
DD
Normal Mode (Static)
2.35/5.25
V min/max
Digital I/Ps = 0 V or V
DD
V
DD
= 4.75 V to 5.25 V, SCLK ON or OFF
V
DD
= 2.35 V to 3.6 V, SCLK ON or OFF
V
DD
= 4.75 V to 5.25 V, f
SAMPLE
= 1 MSPS
V
DD
= 2.35 V to 3.6 V, f
SAMPLE
= 1 MSPS
Typically 50 nA
V
DD
= 5 V, f
SAMPLE
= 100 kSPS
V
DD
= 3 V, f
SAMPLE
= 100 kSPS
2.5
1.2
3.5
1.7
1
0.6
0.3
mA typ
mA typ
mA max
mA max
μ
A max
mA typ
mA typ
Normal Mode (Operational)
Full Power-Down Mode (Static)
Full Power-Down Mode (Dynamic)
Power Dissipation
6
Normal Mode (Operational)
17.5
5.1
5
mW max
mW max
μ
W max
V
DD
= 5 V, f
SAMPLE
= 1 MSPS
V
DD
= 3 V, f
SAMPLE
= 1 MSPS
V
DD
= 5 V
Full Power-Down Mode
NOTES
1
Temperature range from
–
40
°
C to +85
°
C.
2
Operational from V
DD
= 2.0 V, with input high voltage (V
INH
) 1.8 V min.
3
See Terminology section.
4
SC70 values guaranteed by characterization.
5
Guaranteed by characterization.
6
See Power vs. Throughput Rate section.
Specifications subject to change without notice.
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