wm8215 Wolfson Microelectronics plc, wm8215 Datasheet - Page 6

• Manufacturer Part Number: wm8215
• Description: 60msps 10-bit 3-channel Ccd Digitiser
• Manufacturer: Wolfson Microelectronics plc

WM8215
ELECTRICAL CHARACTERISTICS
Notes:
1.
w
Test Conditions
AVDD = DVDD1 = DVDD2 = 3.3V, AGND = DGND = 0V, T
PARAMETER
Overall System Specification (including 10-bit ADC, PGA, Offset and CDS functions)
Conversion rate
Full-scale input voltage range
(see Note 1)
Input signal limits (see Note 2)
Input capacitance
Input switching impedance
Full-scale transition error
Zero-scale transition error
Differential non-linearity
Integral non-linearity
Channel to channel gain matching
Output noise
References
Upper reference voltage
Lower reference voltage
Input return bias voltage
Diff. reference voltage (VRT-VRB)
Output resistance VRT, VRB, VRX
VRLC/Reset-Level Clamp (RLC)
RLC switching impedance
VRLC short-circuit current
VRLC output resistance
VRLC Hi-Z leakage current
RLCDAC resolution
RLCDAC step size, RLCDACRNG
= 0
RLCDAC step size, RLCDACRNG
= 1
RLCDAC output voltage at
code 0(hex), RLCDACRNG = 0
RLCDAC output voltage at
code 0(hex), RLCDACRNG = 1
RLCDAC output voltage at
code F(hex) RLCDACRNG, = 0
RLCDAC output voltage at
code F(hex), RLCDACRNG = 1
RLCDAC
RLCDAC
Full-scale input voltage denotes the peak input signal amplitude that can be gained to match the ADC full-scale
input range.
SYMBOL
V
V
V
V
V
V
RLCSTEP
RLCSTEP
VRB
VRX
V
DNL
VRT
RLCBOT
RLCBOT
RLCTOP
RLCTOP
DNL
INL
INL
V
RTB
IN
LOWREFS=0, Max Gain
LOWREFS=1, Max Gain
LOWREFS=0, Min Gain
LOWREFS=1, Min Gain
PGA[8:0] = 14(hex)
PGA[8:0] = 14(hex)
VRLC = 0 to AVDD
LOWREFS = 0
LOWREFS = 1
LOWREFS = 0
LOWREFS = 1
LOWREFS = 0
LOWREFS = 1
LOWREFS=0
LOWREFS=1
LOWREFS=0
LOWREFS=1
LOWREFS=0
LOWREFS=1
CONDITIONS
Gain = 0dB;
Gain = 0dB;
A
Max Gain
Min Gain
= 25°C, MCLK = 60MHz unless otherwise stated.
TEST
AGND-0.3
1.95
0.95
0.95
0.57
MIN
-0.5
+/-0.5
0.173
0.25
3.03
0.15
1.82
0.75
2.15
2.05
1.85
1.05
1.25
1.25
0.11
0.10
2.05
1.85
TYP
1%
0.2
1.0
0.6
0.4
0.4
3.0
60
10
45
20
20
45
2
1
2
3
4
PD, Rev 4.2, February 2009
AVDD+0.3
MAX
2.25
1.25
1.10
0.68
+0.5
1
Production Data
LSB rms
LSB rms
V/step
V/step
MSPS
Vp-p
Vp-p
Vp-p
Vp-p
UNIT
LSB
LSB
LSB
LSB
mV
mV
bits
mA
pF
µA
%
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
V
V
V
V
V
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