MAX9856ETL+T Maxim Integrated Products, MAX9856ETL+T Datasheet - Page 14

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

Specifications of MAX9856ETL+T

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Power Audio CODEC with
DirectDrive Headphone Amplifiers
(V
=1µF, V
14
AVDD
-10
-20
-30
-40
-50
-60
-70
10
-1
-2
-3
-4
-5
-6
-7
0
ADC DIGITAL FILTER FREQUENCY RESPONSE
3
2
1
0
______________________________________________________________________________________
-100
AUTOMATIC GAIN CONTROL THRESHOLDS
0
AVPRE
= V
CPVDD
-80
5k
= +20dB, C
MICROPHONE INPUT (dBV)
-60
= V
FREQUENCY (Hz)
10k
DVDDS2
-40
MICBIAS
15k
-20
= V
20k
DVDD
= 1µF, V
0
= 1.8V, R
25k
20
AVMICPGA
5mV/div
1V/div
1V/div
SDA
0.01
SCL
HPL
0.1
HP
Typical Operating Characteristics (continued)
1
10
= 32Ω, R
TOTAL HARMONIC DISTORTION + NOISE
= 0dB, MCLK = 12.288MHz, DRATE = 10, T
DAC PLAYBACK MODE (48kHz)
11
vs. MCLK FREQUENCY, 0dBFS
12
LINE
13
FREQUENCY (MHz)
TIME (200ms/div)
CLICK-POP
14
= 10kΩ, C1 = 4.7µF, C2 = 4.7µF, C
15
16
17
18
MAX9856 toc29
19
20
0V
0V
0V
LINEOUTL
1V/div
1V/div
1V/div
SCL
SDA
100
98
96
94
92
90
88
86
84
82
80
A
= +25°C, unless otherwise noted.)
10
REF
DAC PLAYBACK MODE (48kHz)
vs. MCLK FREQUENCY (-60dBFS)
= C
12
MBIAS
DAC SOFT-START
DYNAMIC RANGE
FREQUENCY (MHz)
TIME (4ms/div)
= C
14
PREG
= C
16
MAX9856 toc30
NREG
20
0V
0V
0V