MP8820AQ Просмотр технического описания (PDF) - Exar Corporation
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MP8820AQ Datasheet PDF : 12 Pages
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MP8820
ELECTRICAL CHARACTERISTICS TABLE FOR DUAL SUPPLIES
Unless Otherwise Noted: VDD = 5 V, GND = 0 V, VREF(+) = 1.5 V, VREF(–) = 0 V, VMID = 2.5 V.
Parameter
DC CHARACTERISTICS
Resolution
Differential Non-Linearity
Differential Non-Linearity2
Integral Non-Linearity7
Integral Non-Linearity4, 7
Monotonicity
Bipolar Zero Error
Symbol
N
DNL
DNL
INL
INL
BZE
Zero Scale Drift2, 5
Full Scale Error
VMID to VRT
VMID to VRB
ZSD
+FSE
–FSE
Full Scale Drift2, 6
DC Input Range1
Aperture Delay
Input Capacitance
FSD
VINp-p
tAP
CIN
REFERENCE VOLTAGES
Positive Reference Input Voltage
VREF(+) Input Resistance
Internal Reference Settling Time
VREF(+)
RVR+
VRSTL
Negative Reference Input Voltage
VREF(–) Input Resistance
VMID Input Current
VMID Range
VREF(–)
RVR–
IVM
VMID
POWER SUPPLIES
Positive Supply
Negative Supply
Power Supply Rejection Ratio2
Supply Current
DIGITAL CHARACTERISTICS3, 4
Digital Input High Voltage
Digital Input Low Voltage
VDD
GND
PSRR
IDD
VIH
VIL
25°C
Min
Typ
Max
8
–1
+1/4
1
–1
+1/2
1
–1
+1/2
1
–1
+1/2
1
Guaranteed
–25
10
25
50
–5.0
2.5
5.0
–5.0
2.5
5.0
0.025
1
3
50
25
0.5
1.5
1
500
0
VREF(+) –0.5
1
0
2
2.5
3
4.75
5
5.25
0
0
0
–48
45
4
1
Units Test Conditions/Comments
Bits
LSB
LSB
LSB
LSB
mV
µV/°C
@ VREF(+) – VREF(–) = 0.5 V
@ VREF(+) – VREF(–) = 0.5 V
Offset is measured as the bipolar
zero code transition,
01111111 to 10000000, relative to
VMID
%FS
%FS/°C
Vpp
ns
pF
This is a measure of the
internal reference
translation. Ideally
VRT – VMID = VMID – VRB =
VREF(+) – VREF(–)
The analog input is specified as
Vpp centered around VMID
From rising edge of WR
Measured with VIN – DC = 2.5 V
and WR = low
V
Reference voltage with respect to
VREF(–)
MΩ
ns
Settling time required for ADC to
make a proper conversion after
(VREF(+) – VREF(–)) has changed
V
KΩ
mA
V
VMID < VDD –0.5 –
[VREF(+) – VREF(–)]
VMID < VSS +0.5 +
[VREF(–) – VREF(–)]
All GNDs are Chip Substrate
V
V
dB
f = 1 kHz. Not tested.
mA
V
V
Rev. 1.00
3
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