參數(shù)資料
型號(hào)： AD1843JS
廠商： ANALOG DEVICES INC
元件分類： 消費(fèi)家電
英文描述： CAP 3300PF 100V CERAMIC DISC Y5P
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝： PLASTIC, QFP-80
文件頁(yè)數(shù)： 2/64頁(yè)
文件大?。?/td> 848K
代理商： AD1843JS
ANALOG INPUT
Min
Typ
Max
Units
Full-Scale Input Voltage (RMS Values Assume Sine Wave Input)
All Inputs with ADRFLT & ADLFLT = 0 and LINLSD & LINRSD = 0
(LINLP, LINRP, AUX1L, AUX1R, AUX2L,
AUX2R, AUX3L, AUX3R, MIN)
All Inputs with ADRFLT & ADLFLT = 0 and LINLSD & LINRSD = 1
(LINLP & LINLN, LINRP & LINRN)
All Inputs with ADRFLT & ADLFLT = 1 and LINLSD & LINRSD = 0
(LINLP, LINRP, AUX1L, AUX1R, AUX2L, AUX2R, AUX3L,
AUX3R, MIN)
All Inputs with ADRFLT & ADLFLT = 1 and LINLSD & LINRSD = 1
(LINLP & LINLN, LINRP & LINRN)
MIC with +20 dB Gain (LMGE & RMGE = 1
and ADRFLT & ADLFLT = 0)
(MICL, MICR)
MIC with 0 dB Gain (LMGE & RMGE = 0
and ADRFLT & ADLFLT = 0)
(MICL, MICR)
AUX, SUM and MIN Input Impedance*
(AUX1L, AUX1R, AUX2L, AUX2R, AUX3L, AUX3R, SUML,
SUMR, MIN)
LIN Input Impedance* (LINLP, LINLN, LINRP, LINRN)
MIC Input Impedance* (MICL, MICR)
Input Capacitance* (All Inputs)
1
2.828
V rms
V p-p
2.55
3.1
2
5.656
1.127
3.156
V rms
V p-p
V rms
V p-p
5.1
6.2
2.8
3.5
2.254
6.312
V rms
V p-p
5.6
7.0
0.1
0.2828
V rms
V p-p
0.25
0.31
1
2.828
V rms
V p-p
2.55
10K
3.1
40K
20K
pF
15
PROGRAMMABLE GAIN AMPLIFIER–ADC
Min
Typ
Max
Units
Step Size (0 dB to 22.5 dB) (All Steps Tested)
PGA Gain Range Span*
1.3
21.5
1.5
22.5
1.7
23.5
dB
dB
INPUT (AUX1, AUX2, AUX3, MIN, MIC)
ANALOG AMPLIFIERS/ATTENUATORS
Min
Typ
Max
Units
Step Size (+12.0 dB to –30 dB) (All Steps Tested)
Step Size (–31.5 dB to –34.5 dB) (All Steps Tested)
Input Gain/Attenuation Range*
Mute Attenuation*
1.25
1.1
45.5
1.5
1.5
46.5
–80.0
1.75
1.9
47.5
dB
dB
dB
dB
AD1843–SPECIFICATIONS
REV. 0
–2–
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
Temperature
25
Digital Supply (V
DD
)
5.0
Analog Supply (V
CC
)
5.0
Sample Rate (F
S
)
48
Input Signal
1008
Analog Output Passband
20 Hz to 20 kHz
ADC FFT Size
2048
DAC FFT Size
8192
V
IH
2.0
V
IL
0.8
V
OH
2.4
V
OL
0.4
I
OH
–2
I
OL
2
°
C
V
V
kHz
Hz
V
V
V
V
mA
mA
ADC Input Conditions
Mic 20 dB Gain Disabled
LIN Single-Ended
(LINLSD & LINRSD = 0)
Autocalibrated
0 dB PGA Gain
–1.0 dB Relative to Full Scale
Line Input
16-Bit Linear Mode
DAC Conditions
Autocalibrated
0 dB Attenuation
0 dB Relative to Full Scale
16-Bit Linear Mode
No Output Load
Mute Off
DAC1 Single-Ended
DAC2 Differential
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