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參數資料
| 型號： | AD7992BRM-0 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 2-Channel, 12-Bit ADC with I2C Compatible Interface in 10-Lead MSOP |
| 中文描述： | 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO10 |
| 封裝： | MO-187-BA, MSOP-10 |
| 文件頁數： | 2/21頁 |
| 文件大小： | 266K |
| 代理商： | AD7992BRM-0 |
–2–
REV. PrH
AD7992–SPECIFICATIONS
1
PRELIMINARY TECHNICAL DATA
(
V
DD
= +2.7 V to +5.5 V, unless otherwise noted ; REF
IN
= 2.5 V; f
SCL
= 3.4 MHz unless
otherwise noted; T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
Parameter
B Version
1
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
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
Second Order Terms
Third Order Terms
Aperture Delay
Aperture Jitter
Channel-to-Channel Isolation
Full Power Bandwidth
F
IN
= 10kHz Sine Wave
70
71
-78
-80
dB min
dB min
dB typ
dB typ
fa = TBD kHz, fb = TBD kHz
-78
-78
10
10
TBD
TBD
TBD
dB typ
dB typ
ns max
ps typ
dB typ
kHz typ
kHz typ
F
IN
= TBD kHz
@ 3 dB
@ 0.1 dB
DC ACCURACY
Resolution
Integral Nonlinearity
2
12
±1
±0.6
+1.5/-0.9
±0.75
±1.5
±1.5
±0.5
±1.5
±2
±0.5
Bits
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
Differential Nonlinearity
2
Guaranteed No Missed Codes to 12
Bits.
Single Channel Mode
Dual Channel Mode
Offset Error
2
Offset Error
2
Offset Error Match
2
Gain Error
2
Gain Error
2
Gain Error Match
2
Single Channel Mode
Dual Channel Mode
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
0 to REF
IN
±1
30
Volts
μA max
pF typ
REFERENCE INPUT
REF
IN
Input Voltage Range
DC Leakage Current
Input Capacitance
Input Impedance
1.2 to V
DD
±1
TBD
TBD
V min/Vmax
μA max
pF max
k typ
LOGIC INPUTS (SDA, SCL)
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Leakage Current, I
IN
Input Capacitance, C
IN2,3
Input Hysteresis, V
HYST
LOGIC INPUTS (
CONVST
)
Input High Voltage, V
INH
0.7(V
DD
)
0.3(V
DD
)
±1
10
0.1(V
DD
)
V min
V max
μA max
pF max
V min
V
IN
= 0 V or V
DD
2.4
2.0
0.8
0.4
± 1
10
V min
V min
V max
V max
μA max
pF max
V
DD
= 5V
V
DD
= 3V
V
DD
= 5V
V
DD
= 3V
V
IN
= 0V or V
DD
Input Low Voltage, V
INL
Input Leakage Current, I
IN
Input Capacitance, C
IN
LOGIC OUTPUTS (OPEN DRAIN)
Output Low Voltage, V
OL
0.4
0.6
±1
TBD
Straight (Natural) Binary
V max
V max
μA max
pF max
I
SINK
= 3mA
I
SINK
= 6mA
Floating-State Leakage Current
Floating-State Output Capacitance
2,3
Output Coding
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