AD1887JST-REEL Analog Devices Inc, AD1887JST-REEL Datasheet - Page 2

• Manufacturer Part Number: AD1887JST-REEL
• Description: IC CODEC STEREO 16BIT 48-TQFP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec '97r

Specifications of AD1887JST-REEL

• Rohs Status: RoHS non-compliant
• Data Interface: Serial
• Resolution (bits): 16 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 87 / 90
• Voltage - Supply, Analog: 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.15 V ~ 3.45 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP

AD1887–SPECIFICATIONS
STANDARD TEST CONDITIONS UNLESS OTHERWISE NOTED
Temperature
Digital Supply (V
Analog Supply (V
Sample Rate (f
Input Signal
Analog Output Pass Band
V
V
V
V
ANALOG INPUT
Parameter
Input Voltage (RMS Values Assume Sine Wave Input)
Input Impedance
Input Capacitance
HEADPHONE OUT VOLUME
Parameter
Step Size (+6 dB to –88.5 dB); HP_OUT_R, HP_OUT_L
Output Attenuation Range Span
Mute Attenuation of 0 dB Fundamental
PROGRAMMABLE GAIN AMPLIFIER—ADC
Parameter
Step Size (0 dB to 22.5 dB)
PGA Gain Range Span
ANALOG MIXER—INPUT GAIN/AMPLIFIERS/ATTENUATORS
Parameter
Signal-to-Noise Ratio (SNR)
Step Size (+12 dB to –34.5 dB): (All Steps Tested)
Input Gain/Attenuation Range:
DIGITAL DECIMATION AND INTERPOLATION FILTERS
Parameter
Pass Band
Pass-Band Ripple
Transition Band
Stop Band
Stop-Band Rejection
Group Delay
Group Delay Variation over Pass Band
Guaranteed but not tested.
IH
IL
IH
IL
LINE_IN, CD
MIC with 20 dB Gain
MIC with 0 dB Gain
CD to HP_OUT
Other to HP_OUT
MIC, LINE_IN, CD, DAC
MIC, LINE_IN, CD, DAC
(CS0, CS1)
S
)
DD
CC
)
)
25°C
3.3 V
5.0 V
48 kHz
1008 Hz
20 Hz to 20 kHz
2.0 V
0.8 V
4.0 V
1.0 V
DAC Test Conditions
ADC Test Conditions
Calibrated
–3 dB Attenuation Relative to Full Scale
Input 0 dB
32 Ω Output Load (HP_OUT)
Calibrated
0 dB Gain
Input –3.0 dB Relative to Full Scale
Min
Min
Min
Min
Min
0
0.4 × f
0.6 × f
–74
S
S
Typ
1
2.83
0.1
0.283
1
2.83
20
5
Typ
1.5
–94.5
Typ
1.5
22.5
Typ
90
90
1.5
–46.5
Typ
Max
7.5
Max
80
Max
Max
Max
0.4 × f
± 0.09
0.6 × f
∞
12/f
0.0
S
S
S
Unit
V rms
V p-p
V rms
V p-p
V rms
V p-p
kΩ
pF
Unit
dB
dB
dB
Unit
dB
dB
Unit
dB
dB
dB
dB
Unit
Hz
dB
Hz
Hz
dB
sec
µs