AD1845JP Analog Devices Inc, AD1845JP Datasheet - Page 38

• 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

EXTENDED TEMPERATURE SPECIFICATIONS
Test Conditions
The AD1845 has been tested over the industrial temperature range. The typical values represent the limits that change with tempera-
ture. All other limits remain unchanged.
Temperature
Digital Supply (V
Analog Supply (V
Sample Rate (F
Input Signal
Analog Output Passband
V
V
V
V
Parameter
Step Size (All Steps Tested) (0 dB to 22.5 dB)
PGA Gain Range Span
AUXILIARY, LINE, MONO, AND MICROPHONE INPUT
ANALOG GAIN/AMPLIFIERS/ATTENUATORS
Parameter
Step Size AUX1, AUX2, LINE, MIC (All Steps Tested):
Step Size: M_IN (All Steps Tested) (0 dB to –45 dB)
Input Gain/Attenuation Range: AUX1, AUX2, LINE, MIC
Input Gain/Attenuation Range: M_IN
ANALOG-TO-DIGITAL CONVERTERS
Parameter
Dynamic Range (–60 dB Input THD+N Referenced to
THD+N (Referenced to Full Scale)
DIGITAL-TO -ANALOG CONVERTERS
Parameter
Dynamic Range (–60 dB Input THD+N Referenced to
THD+N (Referenced to Full Scale)
DAC ATTENUATOR
Parameter
Step Size (0 dB to –22.5 dB)
ANALOG OUTPUT
Parameter
V
AD1845
IH
IL
OH
OL
REF
(+12 dB to –34.5 dB, Referenced to DAC Full Scale)
Full Scale, A-Weighted)
Full Scale, A-Weighted)
S
)
DD
CC
)
)
–40 C to +85 C
5.0 V
5.0 V
48 kHz
1008 Hz
20 Hz to 20 kHz
2.0 V
0.8 V
2.4 V
0.4 V
PROGRAMMABLE GAIN AMPLIFIER—ADC
APPENDIX
–38–
DAC Test Conditions
ADC Input Conditions
Min
Min
Min
Min
Min
Min
Calibrated
0 dB Attenuation
16-Bit Linear Mode
Mute Off, OL = 0
Calibrated
0 dB Gain
–1.0 dB Relative to Full Scale
Line Input
16-Bit Linear Mode
Typ
1.75
22.83
Typ
1.5
3.0
46.2
43.5
Typ
–81
–76
Typ
–82
–78
Typ
–1.5
Typ
2.36
Max
Max
Max
Max
Max
Max
Units
dB
dB
Units
dB
dB
dB
dB
Units
dB
dB
Units
dB
dB
Units
dB
Units
V
REV. C