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WM2152CDT Datasheet(PDF) 4 Page - Wolfson Microelectronics plc

Part # WM2152CDT
Description  12-bit, 30MSOS ADC
PDF  7 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM2152CDT Datasheet(HTML) 4 Page - Wolfson Microelectronics plc

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WM2152
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WOLFSON MICROELECTRONICS LTD
PP Rev 1.1 March 2001
4
ELECTRICAL CHARACTERISTICS
Test Conditions:
AVDD = DVDD = 3.3V, fCLK = 30MHz, EXTREF = AGND, Mode=1, TA = TMIN to TMAX, unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DC Characteristics
Resolution
12
bits
Integral Nonlinearity
INL
All modes
-2.5
±1.2
+2
LSB
Differential Nonlinearity
DNL
All modes
±0.4
±1LSB
Missing Codes
All modes
No missing codes guaranteed
Offset Error
All modes
0.5
1.2
%FSR
Gain Error
All modes
0.5
3.5
%FSR
Dynamic Performance (Note 1)
fIN =3.58MHz
10.9
bits
fIN =10MHz
10.6
10.9
bits
Effective number of bits
ENOB
fIN =15MHz
10.8
bits
fIN =3.58MHz
-76
dB
fIN =10MHz
-74
-65
dB
Total harmonic distortion
THD
fIN =15MHz
-72.5
dB
fIN =3.58MHz
68
dB
fIN =10MHz
66
68
dB
SNR
fIN =15MHz
67.7
dB
fIN =3.58MHz
67.4
dB
fIN =10MHz
65.6
67.4
dB
Signal to noise and distortion
ratio
SINAD
fIN =15MHz
66.6
dB
fIN =3.58MHz
78.1
dB
fIN =10MHz
67
76.4
dB
Spurious free dynamic range
SFDR
fIN =15MHz
74.6
dB
Differential phase
DP
0.12
deg
Differential gain
DG
0.01
%
Analogue Input Signal to (VINP – VINM)
Mode=1, VREF = 1V
-0.5
0.5
V
Mode=2, VREF = 1V
-1
1
V
Input Span
Mode=3, VREF = 1V
0
1
V
Input (VINP or VINM) range
All modes
0
AVDD
V
Input capacitance
CIN
All modes
6
pF
Analogue input bandwidth
180
MHz
Power supply rejection ratio
PSRR
54
dB
Conversion Characteristics
Conversion frequency
fCLK
530
MHz
Pipeline delay
5
cycles of
CLK
Aperture delay
tA
2.0
ns
Aperture jitter
2.0
ps rms
Internal Voltage References (Note 3)
Upper reference voltage
VRT
2.15
V
Lower reference voltage
VRB
1.15
V
Differential reference voltage
(VRT-VRB)
VREF
0.95
1
1.05
V
Differential reference voltage
(VRT-VRB) accuracy
-5
+5
%
Power up time of references
from standby
tPU
100
µs



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