AD1938YSTZ Analog Devices Inc, AD1938YSTZ Datasheet - Page 31

• Manufacturer Part Number: AD1938YSTZ
• Description: IC CODEC 24BIT 4ADC/8DAC 48LQFP
• Manufacturer: Analog Devices Inc
• Type: General Purposer

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

OUTLINE DIMENSIONS
ORDERING GUIDE
Model
AD1938YSTZ
AD1938YSTZRL
AD1938WBSTZ
AD1938WBSTZRL
EVAL-AD1938AZ
1
2
3
AUTOMOTIVE PRODUCTS
The AD1938WBSTZ and AD1938WBSTZRL models are available with controlled manufacturing to support the quality and reliability
requirements of automotive applications. Note that these automotive models may have specifications that differ from the commercial
models; therefore, designers should review the Specifications section of this data sheet carefully. Only the automotive grade products
shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product
ordering information and to obtain the specific Automotive Reliability reports for these models.
Z = RoHS Compliant Part.
For the AD1938YSTZ, AD1938YSTZRL, AD1938WBSTZ, and AD1938WBSTZRL: single-ended output; SPI control port.
W = Qualified for Automotive Applications.
1, 2, 3
1.45
1.40
1.35
ROTATED 90° CCW
0.15
0.05
Temperature Range
–40°C to +105°C
–40°C to +105°C
–40°C to +105°C
–40°C to +105°C
VIEW A
SEATING
PLANE
Figure 33. 48-Lead Low Profile Quad Flat Package [LQFP]
0.08
COPLANARITY
COMPLIANT TO JEDEC STANDARDS MS-026-BBC
0.20
0.09
3.5°
7°
0°
Dimensions shown in millimeters
0.75
0.60
0.45
Rev. C | Page 31 of 32
(ST-48)
1.60
MAX
VIEW A
Package Description
48-Lead LQFP
48-Lead LQFP, 13” Tape and Reel
48-Lead LQFP
48-Lead LQFP, 13” Tape and Reel
Evaluation Board
LEAD PITCH
12
BSC
0.50
1
13
48
(PINS DOWN)
PIN 1
TOP VIEW
9.20
9.00 SQ
8.80
24
37
0.27
0.22
0.17
36
25
7.20
7.00 SQ
6.80
Package Option
ST-48
ST-48
ST-48
ST-48
AD1938