ad1845jpz-reel Analog Devices, Inc., ad1845jpz-reel Datasheet - Page 2

• Manufacturer Part Number: ad1845jpz-reel
• Description: Parallel-port 16-bit Soundport Stereo Codec
• Manufacturer: Analog Devices, Inc.

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