WM8214 Datasheet, PDF (7/36 Pages) Wolfson Microelectronics plc – 40MSPS 16 BIT CCD DIGITISER

Production Data
WM8214
Test Conditions
AVDD = DVDD1 = DVDD2 = 3.3V, AGND = DGND = 0V, TA = 25°C, MCLK = 40MHz unless otherwise stated.
PARAMETER
SYMBOL
Offset DAC, Monotonicity Guaranteed
Resolution
Differential non-linearity
DNL
Integral non-linearity
INL
Step size
Output voltage
Programmable Gain Amplifier
Resolution
Gain equation
Max gain, each channel
Min gain, each channel
Channel Matching
Analogue to Digital Converter
Resolution
Speed
Full-scale input range
(2*(VRT-VRB))
DIGITAL SPECIFICATIONS
Digital Inputs
High level input voltage
Low level input voltage
High level input current
Low level input current
Input capacitance
Digital Outputs
High level output voltage
Low level output voltage
High impedance output current
Digital IO Pins
Applied high level input voltage
Applied low level input voltage
High level output voltage
Low level output voltage
Low level input current
High level input current
Input capacitance
High impedance output current
Supply Currents
Total supply current − active
(Analogue and Digital)
(Three channel mode)
Analogue supply current -active
(three channel mode)
Digital supply current - active
(three channel mode)
Supply current − full power down
mode
GMAX
GMIN
VIH
VIL
IIH
IIL
CI
VOH
VOL
IOZ
VIH
VIL
VOH
VOL
IIL
IIH
CI
IOZ
TEST
CONDITIONS
Code 00(hex)
Code FF(hex)
LOWREFS=0
LOWREFS=1
MIN
TYP
MAX
UNIT
8
0.1
0.5
0.25
1
2.04
-260
+260
9
0.66 + ^7.34 * PGA[ 8 : 0 ]
511
7.8
0.68
1
5
16
40
2
1.2
bits
LSB
LSB
mV/step
mV
mV
bits
V/V
V/V
V/V
%
bits
MSPS
V
V
IOH = 1mA
IOL = 1mA
IOH = 1mA
IOL = 1mA
0.7 ∗ DVDD2
V
0.2 ∗ DVDD2 V
1
µA
1
µA
5
pF
DVDD2 - 0.5
V
0.5
V
1
µA
0.7 ∗ DVDD2
V
0.2 ∗ DVDD2 V
DVDD2 - 0.5
V
0.5
V
1
µA
1
µA
5
pF
1
µA
118
mA
105
mA
13
mA
20
µA
w
PD, Rev 4.4, August 2008
7