AD1938YSTZ Analog Devices Inc, AD1938YSTZ Datasheet - Page 3
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AD1938YSTZ
Manufacturer Part Number
AD1938YSTZ
Description
IC CODEC 24BIT 4ADC/8DAC 48LQFP
Manufacturer
Analog Devices Inc
Type
General Purposer
Datasheet
1.AD1938YSTZRL.pdf
(32 pages)
Specifications of AD1938YSTZ
Data Interface
Serial
Resolution (bits)
24 b
Number Of Adcs / Dacs
4 / 8
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
94 / 94
Dynamic Range, Adcs / Dacs (db) Typ
105 / 106
Voltage - Supply, Analog
3 V ~ 3.6 V
Voltage - Supply, Digital
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
48-LQFP
Audio Codec Type
Audio
No. Of Adcs
4
No. Of Dacs
8
No. Of Input Channels
4
No. Of Output Channels
8
Adc / Dac Resolution
24bit
Adcs / Dacs Signal To Noise Ratio
108dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD1938YSTZ
Manufacturer:
NXP
Quantity:
35
Company:
Part Number:
AD1938YSTZ
Manufacturer:
ADI
Quantity:
227
Company:
Part Number:
AD1938YSTZ
Manufacturer:
Analog Devices Inc
Quantity:
10 000
Part Number:
AD1938YSTZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD1938YSTZRL
Manufacturer:
Analog Devices Inc
Quantity:
10 000
SPECIFICATIONS
TEST CONDITIONS
Performance of all channels is identical, exclusive of the interchannel gain mismatch and interchannel phase deviation specifications.
Supply voltages (AVDD, DVDD)
Temperature range
Master clock
Input sample rate
Measurement bandwidth
Word width
Load capacitance (digital output)
Load current (digital output)
Input voltage high
Input voltage low
1
ANALOG PERFORMANCE SPECIFICATIONS
Specifications guaranteed at an ambient temperature of 25°C.
Table 1.
Parameter
ANALOG-TO-DIGITAL CONVERTERS
DIGITAL-TO-ANALOG CONVERTERS
Functionally guaranteed at −40°C to +125°C case temperature.
Full-Scale Input Voltage (Differential)
ADC Resolution
Dynamic Range
Total Harmonic Distortion + Noise
Gain Error
Interchannel Gain Mismatch
Offset Error
Gain Drift
Interchannel Isolation
CMRR
Input Resistance
Input Capacitance
Input Common-Mode Bias Voltage
Dynamic Range
Total Harmonic Distortion + Noise
Full-Scale Output Voltage
Gain Error
Interchannel Gain Mismatch
Offset Error
Gain Drift
No Filter (RMS)
With A-Weighted Filter (RMS)
No Filter (RMS)
With A-Weighted Filter (RMS)
With A-Weighted Filter (Average)
Single-Ended Version
Single-Ended Version
1
3.3 V
as specified in Table 1 and Table 2
12.288 MHz (48 kHz f
48 kHz
20 Hz to 20 kHz
24 bits
20 pF
±1 mA or 1.5 kΩ to ½ DVDD supply
2.0 V
0.8 V
Conditions
All ADCs
20 Hz to 20 kHz, −60 dB input
−1 dBFS
100 mV rms, 1 kHz
100 mV rms, 20 kHz
20 Hz to 20 kHz, −60 dB input
0 dBFS
Two channels running
Eight channels running
S
, 256 × f
Rev. C | Page 3 of 32
S
mode)
Min
98
100
−10
−0.25
−10
98
100
−10
−0.2
−25
−30
Typ
24
102
105
−96
1.9
0
100
−110
55
55
14
10
1.5
104
106
108
−92
−86
0.88 (2.48)
−4
Max
−87
+10
+0.25
+10
−75
+10
+0.2
+25
+30
Unit
Bits
dB
dB
dB
V rms
%
dB
mV
ppm/°C
dB
dB
dB
kΩ
pF
V
dB
dB
dB
dB
dB
V rms (V p-p)
%
dB
mV
ppm/°C
AD1938