| Parameters | 
                                                                                                            
                                            | Ambient Temperature Range High | 85°C | 
                                                                            
                                            | Number of Analog Inputs | 2 | 
                                                                            
                                            | Sigma Delta | Yes | 
                                                                            
                                            | Number of ADCs / DACs | 2 / 2 | 
                                                                            
                                            | Dynamic Range, ADCs / DACs (db) Typ | 103 / 106 | 
                                                                            
                                            | S/N Ratio, ADCs / DACs (db) Typ | 91 / 90 | 
                                                                            
                                            | Number of Analog Outputs | 2 | 
                                                                            
                                            | Height | 1.1mm | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Factory Lead Time | 12 Weeks | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 20-TSSOP (0.173, 4.40mm Width) | 
                                                                            
                                            | Supplier Device Package | 20-TSSOP | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Published | 2006 | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 2 (1 Year) | 
                                                                            
                                            | Type | Audio | 
                                                                            
                                            | Base Part Number | AK4556 | 
                                                                            
                                            | Max Supply Voltage | 3.6V | 
                                                                            
                                            | Min Supply Voltage | 2.4V | 
                                                                            
                                            | Data Interface | Serial | 
                                                                            
                                            | Voltage - Supply, Analog | 2.4V~3.6V 2.7V~3.6V | 
                                                                            
                                            | Voltage - Supply, Digital | 2.4V~3.6V 2.7V~3.6V | 
                                                                            
                                            | Number of A/D Converters | 1 | 
                                                                            
                                            | Number of D/A Converters | 1 | 
                                                                            
                                            | Resolution (Bits) | 24 b | 
                                                                                                    
                            
                         
                                                AK4556VT Overview
A 20-TSSOP (0.173, 4.40mm Width) package is provided to save space. It is adopted to package in the Tape & Reel (TR) way. In the various applications in which this electronic part is used, it is capable of delivering a high level of efficiency as a type of Audio. Mounting type Surface Mount is used. Operating performance -40°C~85°C permits it to function normally. It features 2 / 2 ADCs / DACs. The analog circuit is provided with the supply voltage of 2.4V~3.6V 2.7V~3.6V. The digital circuit is provided with the supply voltage of 2.4V~3.6V 2.7V~3.6V. By using its base part number AK4556, you can find more related parts. Supply voltage should be maintained at 3.6V. Analog signals are converted into digital signals by A/D converters. It is recommended that the supply voltage is maintained at 2.4V. In order to convert digital signals into analog signals, there are 1 D/A converters. There are 2 analog inputs on the device. The device has a total of 2 analog outputs. 
AK4556VT Features
Embedded in the 20-TSSOP (0.173, 4.40mm Width) package
Operating temperature of -40°C~85°C
2 / 2 ADCs / DACs
1 A/D converters
2 analog inputs
2 analog outputs
AK4556VT Applications
There are a lot of AKM Semiconductor Inc. AK4556VT CODECs Interface ICs applications. 
- Switching function
- Backstop gauging
- High-performance memory system
- Flight simulators
- Ships navigation
- CNC machining
- Pulp & paper mills
- Feature extraction
- Wire number reduction in a particular circuits
- Advanced breast cancer treatments