參數(shù)資料
型號: AD7998BRUZ-13
廠商: Analog Devices, Inc.
元件分類: 串行ADC
英文描述: 8-Channel, 10- and 12-Bit ADCs with I2CCompatible
中文描述: 8通道,10 -和12位ADC與I2CCompatible
文件頁數(shù): 3/32頁
文件大小: 1056K
代理商: AD7998BRUZ-13
AD7997/AD7998
AD7997 SPECIFICATIONS
Temperature range for B version is 40°C to +85°C. Unless otherwise noted, V
DD
= 2.7 V to 5.5 V; REF
IN
= 2.5 V; For the AD7997-0, all
specifications apply for f
SCL
up to 400 kHz; for the AD7997-1, all specifications apply for f
SCL
up to 3.4 MHz, unless otherwise noted;
T
A
= T
MIN
to T
MAX
.
Table 1.
Parameter
B Version
DYNAMIC PERFORMANCE
1
Rev. 0 | Page 3 of 32
Unit
Test Conditions/Comments
F
IN
= 10 kHz sine wave for f
SCL
from 1.7 MHz to
3.4 MHz
F
IN
= 1 kHz sine wave for f
SCL
up to 400 kHz
fa = 10.1 kHz, fb = 9.9 kHz for f
SCL
from 1.7 MHz
to 3.4 MHz
fa = 1.1 kHz, fb = 0.9 kHz for f
SCL
up to 400 kHz
F
IN
= 108 Hz, see the Terminology section
@ 3 dB
@ 0.1 dB
Guaranteed no missed codes to 10 bits
Mode 1 (CONVST Mode)
Mode 2 (Command Mode)
During a conversion
V
IN
= 0 V or V
DD
Signal to Noise + Distortion (SINAD)
2
Total Harmonic Distortion (THD)
2
Peak Harmonic or Spurious Noise (SFDR)
2
Intermodulation Distortion (IMD)
2
61
–75
–76
dB min
dB max
dB max
Second-Order Terms
Third-Order Terms
Aperture Delay
2
Aperture Jitter
2
Channel-to-Channel Isolation
2
Full-Power Bandwidth
2
–86
–86
10
50
–90
11
2
10
±0.5
±0.5
±1.5
±2.5
±0.5
±1.5
±0.5
0 to REF
IN
±1
30
1.2 to V
DD
±1
69
0.7 (V
DD
)
0.3 (V
DD
)
±1
10
0.1 (V
DD
)
dB typ
dB typ
ns max
ps typ
dB typ
MHz typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
V
μA max
pF typ
V min/V max
μA max
k typ
V min
V max
μA max
pF max
V min
DC ACCURACY
Resolution
Integral Nonlinearity
1, 2
Differential Nonlinearity
1, 2
Offset Error
2
Offset Error Match
2
Gain Error
2
Gain Error Match
2
ANALOG INPUT
Input Voltage Range
DC Leakage Current
Input Capacitance
REFERENCE INPUT
REF
IN
Input Voltage Range
DC Leakage Current
Input Impedance
LOGIC INPUTS (SDA, SCL)
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Leakage Current, I
IN
Input Capacitance, C
IN 3
Input Hysteresis, V
HYST
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