MAX9856ETL+ Maxim Integrated Products, MAX9856ETL+ Datasheet - Page 32

• Manufacturer Part Number: MAX9856ETL+
• Description: IC CODEC AUDIO LP 40TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Audio Codecr

Specifications of MAX9856ETL+

• Data Interface: Serial
• Resolution (bits): 18 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 77 / 91
• Dynamic Range, Adcs / Dacs (db) Typ: 85 / 91
• Voltage - Supply, Analog: 1.71 V ~ 3.6 V
• Voltage - Supply, Digital: 1.71 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-WFQFN Exposed Pad
• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Interface Type: I2C
• Resolution: 18 bit
• Operating Supply Voltage: 1.71 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Current: 2.9 mA
• Thd Plus Noise: 82 dB
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 2
• No. Of Output Channels: 2
• Adc / Dac Resolution: 18bit
• Adcs / Dacs Signal To Noise Ratio: 91dB
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Power Audio CODEC with
DirectDrive Headphone Amplifiers
Audio Input Register Bit Description
32
______________________________________________________________________________________
PGADS
BITS
Programmable Gain Adjust for Digital Audio Input
SETTING
0x1C
0x7C
0x8D
0x00
0x07
0x0E
0x15
0x22
0x29
0x2F
0x35
0x3A
0x40
0x45
0x4A
0x50
0x55
0x59
0x5E
0x63
0x67
0x6B
0x70
0x74
0x78
0x7F
0x83
0x86
0x8A
0x90
—
DIGITAL AUDIO INPUT PGA SETTINGS
GAIN (dB)
-10.5
-11.5
-12.5
-13.5
-14.5
-0.5
-1.5
-2.5
-3.5
-4.5
-5.5
-6.5
-7.5
-8.5
-9.5
-10
-11
-12
-13
-14
—
-1
-2
-3
-4
-5
-6
-7
-8
-9
0
FUNCTION
SETTING
0xAC
0xCC
0xDB
0xDD
0x9C
0xAA
0xAE
0xBB
0xC2
0xC6
0xC9
0xCF
0xD2
0xD4
0xD6
0xD9
0xDF
0x93
0x96
0x99
0x9F
0xA2
0xA5
0xA7
0xB3
0xB7
0xBF
0xE1
0xE2
0xE4
0xE5
GAIN (dB)
-15.5
-16.5
-17.5
-18.5
-19.5
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-28
-29
-30
-31
-32
-33
-34
-35
-36
-37
-38
-39
-40