WM2331IDT/V Ver la hoja de datos (PDF) - Wolfson Microelectronics plc
Número de pieza
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Fabricante
WM2331IDT/V Datasheet PDF : 25 Pages
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WM2331
Production Data
ELECTRICAL CHARACTERISTICS
Test Conditions:
AVDD = DVDD = 3.0V, fCLK = 30MHz, 50% duty cycle, MODE = AVDD, REFTS = 2.5V, REFBS = 0.5V, PGA gain = 1.0,
TA = TMIN to TMAX, unless otherwise stated.
PARAMETER
DC Accuracy
Integral nonlinearity
Differential nonlinearity
Offset error
Gain error
Missing codes
Analogue Input Signal to AIN pin
SYMBOL
INL
DNL
Input signal range for unity PGA
gain (see Note 1)
AIN voltage limits
Switched input capacitance
Analogue input bandwidth
DC leakage current
Conversion Characteristics
Conversion frequency
Pipeline delay
Aperture delay
Aperture jitter
Dynamic Performance
Effective number of bits
fCLK
tA
ENOB
Spurious free dynamic range
SFDR
Total harmonic distortion
THD
Signal to noise ratio
Signal to noise and distortion
ratio
PGA
Gain range (linear scale)
Gain step size (linear scale)
Gain error from nominal
Clamp
Clamp DAC resolution
Clamp DAC output voltage
Clamp DAC DNL
Clamp DAC DNL
External clamp reference on
CLAMPIN
Clamp output voltage error
SNR
SNDR
TEST CONDITIONS
MODE = AGND
MODE = AVDD / 2,
VCMCS fixed
MODE = AVDD
-3dB amplitude
± Full-scale input
fIN = 3.5MHz
fIN = 15MHz
fIN = 3.5MHz
fIN = 15MHz
fIN = 3.5MHz
fIN = 15MHz
fIN = 3.5MHz
fIN = 15MHz
fIN = 3.5MHz
fIN = 15MHz
MIN
TYP
MAX
UNIT
±1.0
±2.0
LSB
±0.3
±1.0
LSB
0.4
2.0
% of FS
1.4
3.5
% of FS
No missing codes guaranteed
REFBS
VCMCS -
VREF/2
REFBS
AGND
1.2
150
±100
REFTS
VCMCS +
VREF/2
REFTS
AVDD
V
V
pF
MHz
µA
5
30
MHz
cycles of
3
CLK
4.0
ns
2.0
ps rms
8.2
9.0
bits
7.7
55
60
dB
48
-58
-54.7
dB
-47
51.2
56
dB
53
51.1
56
dB
48
0.5
4
V/V
0.5
V/V
3
%
REFBF
-1
0.1
-40
10
bits
REFTF
V
1
LSB
±1
LSB
AVDD - 0.1
V
40
mV
WOLFSON MICROELECTRONICS LTD
PD Rev 1.4 April 2001
4
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