參數(shù)資料
型號(hào): AD7656
廠商: Analog Devices, Inc.
英文描述: 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC
中文描述: 250 kSPS的6通道同步采樣ADC的雙極12/14/16-Bit
文件頁(yè)數(shù): 7/25頁(yè)
文件大?。?/td> 308K
代理商: AD7656
Preliminary Technical Data
AD7658/AD7657/AD7656
AD7656 SPECIFICATIONS
1
Table 3. AV
CC
= 4.5 V to 5.5 V, V
DD
= 9.5 V to 16.5 V, V
SS
= -9.5 V to –16.5V, DV
CC
= 4.5 V to 5.5 V, V
DRIVE
= 2.7V to 5.25V, f
SAMPLE
=
250 kSPS, VREF = 2.5V Internal/External, unless otherwise noted; T
A
= T
MIN
to T
MAX
, unless otherwise noted
Parameter
B Versions
1
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)
2
82.5
85
Signal-to-Noise Ratio (SNR)
2
83
86
Total Harmonic Distortion (THD)
2
97
Peak Harmonic or Spurious Noise (SFDR)
2
95
Intermodulation Distortion (IMD)
2
Second-Order Terms
94
Third-Order Terms
100
Aperture Delay
20
Aperature Delay Matching
2
100
Aperture Jitter
30
Full Power Bandwidth
8
2.2
DC ACCURACY
No Missing Codes
15
Integral Nonlinearity
2
±2
±4
Positive Full Scale Error
2
±0.4
Bipolar Zero Error
2
±2.1
Negative Full Scale Error
2
±0.4
ANALOG INPUT
Input Voltage Ranges
±4xVREF
±2xVREF
DC Leakage Current
±0.3
Input Capacitance
30
REFERENCE INPUT/OUTPUT
Reference output voltage
2.49/2.51
Reference input Voltage range
2.5/3
DC Leakage current
±0.5
Input capacitance
20
V
REF
Output Impedance
1
Reference temperature Coefficient
25
10
LOGIC INPUTS
Input High Voltage, V
INH
0.7 x V
DRIVE
Input Low Voltage, V
INL
0.3 x V
DRIVE
Input Current, I
IN
±0.3
Input Capacitance, C
IN 3
10
LOGIC OUTPUTS
Output High Voltage, V
OH
V
DRIVE
– 0.2
Output Low Voltage, V
OL
0.4
Floating-State Leakage Current
±0.3
Floating-State Output Capacitance
, 3
10
Output Coding
Two’s Complement
CONVERSION RATE
Conversion Time
3
Track-and-Hold Acquisition Time
1
Throughput Rate
250
Rev. PrI | Page 7 of 25
Unit
dB min
dB typ
dB min
dB typ
dB max
dB typ
dB typ
dB typ
ns max
ns max
ps typ
ps typ
MHz typ
MHz typ
Bits min
LSB typ
LSB max
% FS max
mV max
% FS max
V
V
μA max
pF typ
V min/max
V min/max
μA max
pF typ
kOhms typ
ppm/°C max
ppm/°C typ
V min
V max
μA max
pF max
V min
V max
μA max
pF max
Test Conditions/Comments
f
IN
= 50 kHz sine wave
@ 3 dB
@ 0.1 dB
V
DD
= 5.5 V
RNG bit/RANGE pin = 0
RNG bit/RANGE pin = 1
V
REF
Pin
Typically 10 nA, V
IN
= 0 V or V
CC
I
SOURCE
= 200 μA;
I
SINK
= 200 μA
μs max
μs max
kSPS
相關(guān)PDF資料
PDF描述
AD7656BSTZ 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC
AD7656BSTZ-REEL 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC
AD7657 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC
AD7657BSTZ 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC
AD7657BSTZ-REEL 250 kSPS, 6-Channel,Simultaneous Sampling, Bipolar 12/14/16-Bit ADC
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