IDTSTAC9758XXTAEB1XR IDT, Integrated Device Technology Inc, IDTSTAC9758XXTAEB1XR Datasheet - Page 23

• Manufacturer Part Number: IDTSTAC9758XXTAEB1XR
• Description: IC CODEC AC'97 6CH 2.3 48-TQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9758XXTAEB1XR

• Data Interface: Serial
• Resolution (bits): 20 b
• Number Of Adcs / Dacs: 2 / 3
• Sigma Delta: Yes
• Voltage - Supply, Analog: 3.14 V ~ 3.47 V; 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.14 V ~ 3.47 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3.135V
• Single Supply Voltage (max): 3.465/5.25V
• Package Type: TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9758XXTAEB1XR

IDT™
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
STAC9758/9759
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
3.1.
Split Independent Power Supply Operation
In PC applications, one power supply input to the STAC9758/9759 may be derived from a supply
regulator and the other directly from the PCI power supply bus. When power is applied to the PC, the
regulated supply input to the IC will be applied some time delay after the PCI power supply. Without
proper on-chip partitioning of the analog and digital circuitry, some manufacturer's CODECs would
be subject to on-chip SCR type latch-up.
IDT’s STAC9758/9759 specifically allows power-up sequencing delays between the analog (AVddx)
and digital (VDddx) supply pins. These two power supplies can power-up independently and at differ-
ent rates with no adverse effects to the CODEC. The IC is designed with independent analog and digi-
tal circuitry that prevents on-chip SCR type latch-up. See the Reference Design for additional
connection information.
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STAC9758/9759
PC AUDIO
V 1.2 1206