WM8737LGEFL/R Wolfson Microelectronics, WM8737LGEFL/R Datasheet - Page 6

• 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

WM8737L
w
ELECTRICAL CHARACTERISTICS
Test Conditions
DCVDD = 1.5V, AVDD = MVDD = 3.3V, T
24-bit audio data, unless otherwise stated. Microphone preamplifier at maximum bias (default) and gain 13dB, unless otherwise
stated.
PARAMETER
Microphone Preamplifier (LINPUT1/2/3, RINPUT1/2/3) to ADC
Microphone Pre-amp (Boost)
Gain
Microphone preamplifier noise
(referred to input)
(A-weighted)
Input Offset Voltage
Microphone preamplifier Signal
to Noise Ratio
(A-weighted)
(Note 1)
Dynamic Range (Note 2)
Total Harmonic Distortion
(Note 3)
Channel Separation
Power Supply Rejection Ratio
Input Leakage
Input Resistance
SYMBOL
PSRR
SNR
DNR
THD
Ω
A
= +25
o
C, 1kHz -1dBFS signal, Normal Power Mode, fs = 48kHz, PGA gain = 0dB,
Micboost gain = 28dB
Micboost gain = 28dB
A-weighted, -60dBFS
AVDD = 3.3V, Single
1kHz, 100mV pk-pk,
preamplifier enabled
TEST CONDITIONS
AVDD=1.8V, Single
MICBOOST = 00
MICBOOST = 01
MICBOOST = 10
MICBOOST = 11
at 20Hz – 20kHz
Voltage at 1kHz
AVDD = 3.3V
AVDD = 3.3V
600Ω R
600Ω R
600Ω R
AVDD=1.8V
Microphone
28 dB gain,
Gain = 0dB
13dB gain,
13dB gain,
Channel
Channel
source
source
source
MIN
-10
500k
-123
0.02
0.03
TYP
109
102
0.7
-74
-70
-65
13
18
28
33
94
94
60
6
1
1
PD, Rev 4.1, April 2009
MAX
10
Production Data
nV / √Hz
μV rms
UNIT
dBV
mV
dB
dB
dB
dB
dB
dB
μA
%
Ω
6