AD1843JS Analog Devices Inc, AD1843JS Datasheet - Page 2
AD1843JS
Manufacturer Part Number
AD1843JS
Description
IC CODEC STEREO 5V 16BIT 80PQFP
Manufacturer
Analog Devices Inc
Type
Stereo Audior
Datasheet
1.AD1843JS.pdf
(64 pages)
Specifications of AD1843JS
Rohs Status
RoHS non-compliant
Data Interface
Serial
Resolution (bits)
16 b
Number Of Adcs / Dacs
1 / 2
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
92 / 86
Dynamic Range, Adcs / Dacs (db) Typ
85 / 80
Voltage - Supply, Analog
4.75 V ~ 5.25 V
Voltage - Supply, Digital
2.85 V ~ 5.25 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
80-MQFP, 80-PQFP
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD1843JS
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD1843–SPECIFICATIONS
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
Temperature
Digital Supply (V
Analog Supply (V
Sample Rate (F
Input Signal
Analog Output Passband
ADC FFT Size
DAC FFT Size
V
V
V
V
I
I
ANALOG INPUT
Full-Scale Input Voltage (RMS Values Assume Sine Wave Input)
AUX, SUM and MIN Input Impedance*
LIN Input Impedance* (LINLP, LINLN, LINRP, LINRN)
MIC Input Impedance* (MICL, MICR)
Input Capacitance* (All Inputs)
PROGRAMMABLE GAIN AMPLIFIER–ADC
Step Size (0 dB to 22.5 dB) (All Steps Tested)
PGA Gain Range Span*
INPUT (AUX1, AUX2, AUX3, MIN, MIC)
ANALOG AMPLIFIERS/ATTENUATORS
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*
OH
OL
IH
IL
OH
OL
All Inputs with ADRFLT & ADLFLT = 0 and LINLSD & LINRSD = 0
All Inputs with ADRFLT & ADLFLT = 0 and LINLSD & LINRSD = 1
All Inputs with ADRFLT & ADLFLT = 1 and LINLSD & LINRSD = 0
All Inputs with ADRFLT & ADLFLT = 1 and LINLSD & LINRSD = 1
MIC with +20 dB Gain (LMGE & RMGE = 1
MIC with 0 dB Gain (LMGE & RMGE = 0
(AUX1L, AUX1R, AUX2L, AUX2R, AUX3L, AUX3R, SUML,
SUMR, MIN)
(LINLP, LINRP, AUX1L, AUX1R, AUX2L,
AUX2R, AUX3L, AUX3R, MIN)
(LINLP & LINLN, LINRP & LINRN)
(LINLP, LINRP, AUX1L, AUX1R, AUX2L, AUX2R, AUX3L,
(LINLP & LINLN, LINRP & LINRN)
and ADRFLT & ADLFLT = 0)
(MICL, MICR)
and ADRFLT & ADLFLT = 0)
(MICL, MICR)
AUX3R, MIN)
S
)
DD
CC
)
)
25
5.0
5.0
48
1008
20 Hz to 20 kHz
2.0
0.8
2.4
0.4
–2
2
2048
8192
V
V
kHz
Hz
V
V
V
V
mA
mA
C
–2–
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
Min
2.55
5.1
2.8
5.6
0.25
2.55
10K
40K
20K
Min
1.3
21.5
Min
1.25
1.1
45.5
Typ
2.254
0.1
1
Typ
22.5
Typ
46.5
1
2.828
2
5.656
1.127
3.156
6.312
0.2828
2.828
15
1.5
1.5
1.5
–80.0
ADC Input Conditions
Mic 20 dB Gain Disabled
LIN Single-Ended
Autocalibrated
0 dB PGA Gain
–1.0 dB Relative to Full Scale
Line Input
16-Bit Linear Mode
(LINLSD & LINRSD = 0)
Max
3.1
6.2
3.5
7.0
0.31
3.1
Max
1.7
23.5
Max
1.75
1.9
47.5
V p-p
V rms
dB
dB
Units
V rms
V rms
V p-p
V rms
V p-p
V p-p
V rms
V p-p
V rms
V p-p
pF
Units
dB
Units
dB
dB
dB
REV. 0