WM8737LGEFL/R Wolfson Microelectronics, WM8737LGEFL/R Datasheet - Page 7

• Manufacturer Part Number: WM8737LGEFL/R
• Description: IC, ADC, 24BIT, 96KHZ, QFN-32
• Manufacturer: Wolfson Microelectronics

Specifications of WM8737LGEFL/R

• Resolution (bits): 24bit
• Sampling Rate: 96kSPS
• Data Interface: 2-Wire, 3-Wire, Serial
• Supply Voltage Range - Analog: 1.8V To 3.6V
• Supply Current: 7.75mA
• Digital Ic Case Style: QFN
• No. Of Pins: 32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
Test Conditions
DCVDD = 1.5V, AVDD = MVDD = 3.3V, T
24-bit audio data, unless otherwise stated.
PARAMETER
Line Inputs (LINPUT1/2/3, RINPUT1/2/3) to ADC – MIC pre-amp BYPASSED
Full Scale Input Signal Level
(for ADC 0dB Input at 0dB Gain)
Signal to Noise Ratio
(A-weighted)
(Note 1)
Dynamic Range
(A-weighted)
(Note 2)
Total Harmonic Distortion
(Note 3)
ADC Channel Separation
(Note 4)
Channel Matching
Programmable Gain Amplifier (PGA)
Programmable Gain
Programmable Gain Step Size
Gain Error (Deviation from ideal
0.5dB/step gain characteristic)
Input Resistance
Input Capacitance
Automatic Level Control (ALC)
Typical Record Level
Gain Hold Time (Note 5)
Gain Ramp-Up (Decay) Time
(Notes 6, 7)
Gain Ramp-Down (Attack) Time
(Notes 6, 7)
SYMBOL
SNR
DNR
THD
t
t
t
DCY
HLD
ATK
A
= +25
o
C, 1kHz -1dBFS signal, Normal Power Mode, fs = 48kHz, PGA gain = 0dB,
Normal Power Mode
Normal Power Mode
Normal Power Mode
Normal Power Mode
MCLK = 12.288MHz
TEST CONDITIONS
Low Power Mode
Low Power Mode
Low Power Mode
Low Power Mode
AVDD = 3.3V,
AVDD = 2.7V,
AVDD = 1.8V,
AVDD = 3.3V,
AVDD = 2.7V,
AVDD = 1.8V,
AVDD = 3.3V
AVDD = 1.8V
AVDD=1.8V
1kHz signal
1kHz signal
1kHz signal
-1dB input,
-1dB input
Monotonic
30dB gain
-60dBFS,
-60dBFS,
0dB gain
(Note 3)
-0.3
MIN
-97
-18
0, 2.67, 5.33, 10.67, … , 43691
90
90
(time doubles with each step)
(time doubles with each step)
(time doubles with each step)
33.6, 67.2, 134.4, … , 3441
8.4, 16.8, 33.6, … , 8600
-84 (0.006%)
-81 (0.009%)
16.9pF
0.545
TYP
105
1.0
0.2
0.5
1.9
97
95
92
95
93
90
97
95
30
0
PD, Rev 4.1, April 2009
MAX
0.3
30
-3
WM8737L
V rms
UNIT
kΩ
ms
ms
ms
dB
dB
dB
dB
dB
dB
dB
dB
pF
dB
%
7