參數(shù)資料
型號(hào): 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(yè)數(shù): 5/32頁(yè)
文件大?。?/td> 1056K
代理商: AD7998BRUZ-13
AD7997/AD7998
AD7998 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 AD7998-0, all
specifications apply for f
SCL
up to 400 kHz; for the AD7998-1, all specifications apply for f
SCL
up to 3.4 MHz, unless otherwise noted;
T
A
= T
MIN
to T
MAX
.
Table 2.
Parameter
B Version
DYNAMIC PERFORMANCE
1
Rev. 0 | Page 5 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 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 12 bits
Mode 1 (CONVST Mode)
Mode 2 (Command Mode)
V
IN
= 0 V or V
DD
Signal-to-Noise + Distortion (SINAD)
2
Signal to Noise Ratio (SNR)
2
Total Harmonic Distortion (THD)
2
Peak Harmonic or Spurious Noise (SFDR)
2
Intermodulation Distortion (IMD)
2
70.5
71
–78
–79
dB min
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
–90
–90
10
50
–90
11
2
12
±1
±0.2
+1/–0.9
±0.2
±4
±6
±1
±2
±1
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 typ
LSB max
LSB typ
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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