AD1845JP Analog Devices Inc, AD1845JP Datasheet - Page 2

• Manufacturer Part Number: AD1845JP
• Description: IC CODEC STEREO 5V 16BIT 68PLCC
• Manufacturer: Analog Devices Inc
• Type: Stereo Audior

Specifications of AD1845JP

• Rohs Status: RoHS non-compliant
• Resolution (bits): 16 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 81 / 82
• Voltage - Supply, Analog: 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC

AD1845–SPECIFICATIONS
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
Temperature
Digital Supply (V
Analog Supply (V
Word Rate (F
Input Signal
Analog Output Passband
ADC FFT Size
DAC FFT Size
V
V
ANALOG INPUT
Input Voltage (RMS Values Assume Sine Wave Input)
Input Impedance*
Input Capacitance
PROGRAMMABLE GAIN AMPLIFIER–ADC
Step Size (All Steps Tested)
PGA Gain Range Span
AUXILIARY LINE, MONO, AND MICROPHONE INPUT ANALOG GAIN/AMPLIFIERS/ATTENUATORS
Step Size : AUX1, AUX2, LINE, MIC (All Steps Tested)
Step Size: M_IN (All Steps Tested)
Input Gain/Attenuation Range: AUX1, AUX2, LINE, MIC
Input Gain/Attenuation Range: M_IN
DIGITAL DECIMATION AND INTERPOLATION FILTERS*
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
*Guaranteed, not tested.
IH
IL
Line
MIC with +20 dB Gain (MGE = 1)
MIC with 0 dB Gain (MGE = 0)
(0 dB to 22.5 dB)
(+12 dB to –30 dB)
(–31.5 dB to –34.5 dB)
(0 dB to –39 dB)
(–42 dB to –45 dB)
S
)
DD
CC
)
)
25
5.0
5.0
48
1008
20 Hz to 20 kHz
2048
8192
5
0
V
V
kHz
Hz
V
V
C
–2–
DAC Test Conditions
ADC Test Conditions
Calibrated
0 dB Relative to Full Scale
16-Bit Linear Mode
10 k Output Load
Mute Off, OL = 0
Calibrated
0 dB Gain
–1.0 dB Relative to Full Scale
Line Input
16-Bit Linear Mode
Min
2.55
0.255
2.55
10
Min
0.7
21.5
Min
1.25
1
2.5
2.2
45.0
42
Min
0
0.4
0.6
74
F
F
S
S
Typ
1
2.83
0.1
0.283
1
2.83
17
15
Typ
1.5
22.5
Typ
1.5
1.5
3.0
3.0
46.5
45
Max
3.35
0.335
3.35
Max
1.9
23.5
Max
1.75
2.0
3.6
3.85
49.0
49
Max
0.4
0.6
15/F
0.0
0.1
S
F
F
S
S
REV. C
Units
V rms
V p-p
V rms
V p-p
V rms
V p-p
k
pF
Units
dB
dB
Units
dB
dB
dB
dB
dB
dB
Units
Hz
dB
Hz
Hz
dB
s