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AD7991BRJZ-1 датащи(PDF) 3 Page - Analog Devices

номер детали AD7991BRJZ-1
подробное описание детали  4-Channel, 12-/10-/8-Bit ADC with I2CCompatible Interface in 8-Lead SOT23
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

AD7991BRJZ-1 датащи(HTML) 3 Page - Analog Devices

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Preliminary Technical Data
AD7991/AD7995/AD7999
Rev. PrB | Page 3 of 25
AD7991 SPECIFICATIONS
Temperature range is as follows: B version −40°C to +85°C, Y version -40°C to +125°C. Unless otherwise noted, VDD = 2.7 V to 5.5 V; fSCL
= 3.4 Mhz Unless otherwise noted; TA = TMIN to TMAX.
Table 2.
Parameter
B Version
Y Version
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE1
FIN = 10 kHz sine wave for fSCL from 1.7
MHz to
3.4 MHz
FIN = 1 kHz sine wave for fSCL up to 400
kHz
Signal-to-Noise + Distortion
(SINAD)2
70.5
70.5
dB min
Signal-to-Noise Ratio (SNR)2
71
71
dB min
Total Harmonic Distortion (THD)2
–78
–78
dB max
Peak Harmonic or Spurious Noise
(SFDR)2
–79
–79
dB max
Intermodulation Distortion (IMD)2
fa = 10.1 kHz, fb = 9.9 kHz for fSCL from
1.7 MHz to 3.4 MHz
fa = 1.1 kHz, fb = 0.9 kHz for fSCL up to
400 kHz
Second Order Terms
–90
–90
dB typ
Third Order Terms
–90
–90
dB typ
Channel-to-Channel Isolation2
-90
-90
dB typ
FIN = 108 Hz; see the Terminology
Section
Full Power Bandwidth2
11
11
MHz typ
@ 3 dB
2
2
MHz typ
@ 0.1 dB
DC ACCURACY
Resolution
12
12
Bits
Integral Nonlinearity1, 2
±1
±1
LSB max
±0.2
±0.2
LSB typ
Differential Nonlinearity1, 2
+1/–0.9
+1/–0.9
LSB max
Guaranteed no missed codes to 12
bits
±0.2
±0.2
LSB typ
Offset Error2
±4
±4
LSB max
Offset Error Matching
±0.5
±0.5
LSB max
Offset Temperature drift
TBD
TBD
ppm/°C typ
Gain Error2
±2
±2
LSB max
Gain Error Matching
±0.5
±0.5
LSB max
Gain Temperature drift
TBD
TBD
ppm/°C typ
ANALOG INPUT
Input Voltage Range
0 to REFIN
0 to REFIN
V
DC Leakage Current
±1
±1
µA max
Input Capacitance
30
30
pF typ
REFERENCE INPUT
REFIN Input Voltage Range
1.2 to VDD
1.2 to VDD
V min/V
max
DC Leakage Current
±1
±1
µA max
REFIN Input Capacitance
30
pF typ
Input Impedance
69
69
kΩ typ
LOGIC INPUTS (SDA, SCL)
Input High Voltage, VINH
0.7 (VDD)
0.7 (VDD)
V min
Input Low Voltage, VINL
0.3 (VDD)
0.3 (VDD)
V max
Input Leakage Current, IIN
±1
±1
µA max
VIN = 0 V or VDD
Input Capacitance, CIN3
10
10
pF max


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