參數(shù)資料
型號(hào): AD7641BSTZ
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 18-Bit 250/670 kSPS PulSAR Bipolar Programmable Inputs ADC
中文描述: 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48
封裝: LEAD FREE, MS-026BBC, LQFP-48
文件頁數(shù): 4/14頁
文件大?。?/td> 192K
代理商: AD7641BSTZ
AD7631/AD7634
Preliminary Technical Data
Parameter
AC ACCURACY
Dynamic Range
Signal-to-Noise
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise + Distortion)
–3 dB Input Bandwidth
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
INTERNAL REFERENCE
Output Voltage
Temperature Drift
Line Regulation
Turn-On Settling Time
R
EFERENCE BUFFER
REFBUFIN Input Voltage Range
EXTERNAL REFERENCE
Voltage Range
Current Drain
Current Drain
TEMPERATURE PIN
Voltage Output
Temperature Sensitivity
Output Resistance
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
DIGITAL OUTPUTS
Data Format
5
Pipeline Delay
6
V
OL
V
OH
POWER SUPPLIES
Specified Performance
AVDD
DVDD
OVDD
VCC
VEE
Rev. PrC | Page 4 of 14
Conditions
V
IN
= ±5V, f
IN
= 2 kHz, -60dB
V
IN
= ±5V, f
IN
= 2 kHz
V
IN
= ±5V, f
IN
= 2 kHz
V
IN
= ±5V, f
IN
= 2 kHz
V
IN
= ±5V, f
IN
= 2 kHz
Full-scale step
PDREF = PDBUF = low
REF @ 25°C
–40°C to +85°C
AVDD = 5 V ± 5%
C
REF
= 10 μF
PDREF = high
PDREF = PDBUF = high
REF
AD7634 @ 670 kSPS throughput
AD7631 @ 250 kSPS throughput
TEMP @ 25°C
I
SINK
= 500 μA
I
SOURCE
= 500 μA
Min
4.985
–0.3
2.1
–1
–1
OVDD 0.6
4.75
4.75
2.7
Typ
102.5
101
122
-106
100
12
1
5
5.000
±7
±15
5
2.5
5
TBD
TBD
TBD
1
4
5
5
15
-15
Max
115
5.015
AVDD+0.1
+0.6
OVDD+0.3
+1
+1
0.4
5.25
5.25
5.25
Unit
dB
4
dB
dB
dB
dB
MHz
ns
ps rms
ns
V
ppm/°C
ppm/V
ms
V
V
μA
μA
mV
mV/°C
V
V
μA
μA
V
V
V
V
V
V
V
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