AD1843JS Analog Devices Inc, AD1843JS Datasheet - Page 2

IC CODEC STEREO 5V 16BIT 80PQFP

AD1843JS

Manufacturer Part Number
AD1843JS
Description
IC CODEC STEREO 5V 16BIT 80PQFP
Manufacturer
Analog Devices Inc
Type
Stereo Audior
Datasheet

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

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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

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