參數(shù)資料
型號: AD7478AAKSZ-500RL73
廠商: Analog Devices, Inc.
英文描述: 2.35 V to 5.25 V, 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SC70
中文描述: 2.35 V至5.25 V,1 MSPS的,12/10/8位ADC的6引腳SC70封裝
文件頁數(shù): 2/24頁
文件大?。?/td> 580K
代理商: AD7478AAKSZ-500RL73
REV. C
–2–
AD7476A/AD7477A/AD7478A
AD7476A–SPECIFICATIONS
1
(V
DD
= 2.35 V to 5.25 V, f
= 20 MHz, f
SAMPLE
= 1 MSPS, unless otherwise noted;
T
A
MIN
to T
MAX
, unless otherwise noted.)
Parameter
A Grade
2
B Grade
2
Y Grade
2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)
3
f
IN
= 100 kHz Sine Wave
V
DD
= 2.35 V to 3.6 V, T
A
= 25 C
V
DD
= 2.4 V to 3.6 V
V
DD
= 2.35 V to 3.6 V
V
DD
= 4.75 V to 5.25 V, T
A
= 25 C
V
DD
= 4.75 V to 5.25 V
V
DD
= 2.35 V to 3.6 V, T
A
= 25 C
V
DD
= 2.4 V to 3.6 V
V
DD
= 4.75 V to 5.25 V, T
A
= 25 C
V
DD
= 4.75 V to 5.25 V
70
69
71.5
69
68
71
70
70
69
80
70
69
71.5
69
68
71
70
70
69
80
82
70
69
71.5
69
68
71
70
70
69
80
82
dB min
dB min
dB typ
dB min
dB min
dB min
dB min
dB min
dB min
dB typ
dB typ
Signal-to-Noise Ratio (SNR)
3
Total Harmonic Distortion (THD)
3
Peak Harmonic or Spurious Noise (SFDR)
3
82
Intermodulation Distortion (IMD)
3
Second-Order Terms
Third-Order Terms
Aperture Delay
Aperture Jitter
Full Power Bandwidth
84
84
10
30
13.5
2
84
84
10
30
13.5
2
84
84
10
30
13.5
2
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
fa = 100.73 kHz, fb = 90.72 kHz
fa = 100.73 kHz, fb = 90.72 kHz
@ 3 dB
@ 0.1 dB
B and Y Grades
4
DC ACCURACY
Resolution
Integral Nonlinearity
3
12
12
±
1.5
12
±
1.5
Bits
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
±
0.75
Differential Nonlinearity
0.9/+1.5
0.9/+1.5
Guaranteed No Missed Codes to 12 Bits
±
0.75
Offset Error
3, 5
±
1.5
±
0.2
±
1.5
±
0.5
±
2
±
1.5
±
0.2
±
1.5
±
0.5
±
2
±
1.5
Gain Error
3, 5
±
1.5
Total Unadjusted Error (TUE)
3, 5
ANALOG INPUT
Input Voltage Range
DC Leakage Current
Input Capacitance
0 to V
DD
±
0.5
20
0 to V
DD
±
0.5
20
0 to V
DD
±
0.5
20
V
μ
A max
pF typ
Track-and-Hold in Track; 6 pF typ when
in Hold
LOGIC INPUTS
Input High Voltage, V
INH
2.4
1.8
0.8
0.4
±
0.5
±
10
5
2.4
1.8
0.8
0.4
±
0.5
±
10
5
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
IN6
LOGIC OUTPUTS
Output High Voltage, V
OH
Output Low Voltage, V
OL
Floating-State Leakage Current
Floating-State Output Capacitance
6
Output Coding
V
DD
0.2
0.4
±
1
5
V
DD
0.2
0.4
±
1
5
V
DD
0.2
0.4
±
1
5
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
Straight (Natural) Binary
CONVERSION RATE
Conversion Time
Track-and-Hold Acquisition Time
3
Throughput Rate
800
250
1
800
250
1
800
250
1
ns max
ns max
MSPS max See Serial Interface Section
16 SCLK Cycles
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