ad1843jst Analog Devices, Inc., ad1843jst Datasheet - Page 2
ad1843jst
Manufacturer Part Number
ad1843jst
Description
Serial-port 16-bit Soundcomm Codec
Manufacturer
Analog Devices, Inc.
Datasheet
1.AD1843JST.pdf
(64 pages)
- Current page: 2 of 64
- Download datasheet (506Kb)
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
Related parts for ad1843jst
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Analog Divider
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Analog Front End For Adsl
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Lc2mos Complete, 12-bit Analog I/o System
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Cmos 4/8 Channel Analog Multiplexers
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Low Cost, Low Power Cmos General Purpose Analog Front End
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
2.5 V To 5.0 V Micropower, Precision Series Mode Voltage References
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Stereo, Single-supply 18-bit Integrated Dac
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Multichannel 24-bit, 192 Khz, Dac
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Ac?97 Soundmax Codec
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Complete Dual 18-bit 16 X Fs Audio Dac
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Sampleport Stereo Asynchronous Sample Rate Converters
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
U.s./international Modem Daa Line Codec Chipset
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Low Distortion 750 Mhz Closed-loop Buffer Amp
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
High Speed Active Load With Inhibit Mode
Manufacturer:
Analog Devices, Inc.
Datasheet:
Part Number:
Description:
Cmos 80 Mhz, 10-bit Video Dac
Manufacturer:
Analog Devices, Inc.
Datasheet: