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ADC08200 Просмотр технического описания (PDF) - Texas Instruments

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ADC08200 8-Bit, 20 Msps to 200 Msps, Low Power A/D Converter with Internal Sample and-Hold TI
Texas Instruments TI
ADC08200 Datasheet PDF : 27 Pages
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ADC08200
www.ti.com
SNAS136M – APRIL 2001 – REVISED MARCH 2013
Converter Electrical Characteristics
The following specifications apply for VA = VDR = +3.0VDC, VRT = +1.9V, VRB = 0.3V, CL = 5 pF, fCLK = 200 MHz at 50% duty
cycle. Boldface limits apply for TJ = TMIN to TMAX: all other limits TJ = 25°C (1)(2)(3)
Symbol
Parameter
Conditions
Typical (4) Limits (4)
Units
(Limits)
DC ACCURACY
INL
Integral Non-Linearity
+1.0
+1.9
LSB (max)
0.3
1.2
LSB (min)
DNL
Differential Non-Linearity
±0.4
±0.95
LSB (max)
Missing Codes
0
(max)
FSE
Full Scale Error
36
50
mV (max)
VOFF
Zero Scale Offset Error
ANALOG INPUT AND REFERENCE CHARACTERISTICS
46
60
mV (max)
VIN
Input Voltage
CIN
VIN Input Capacitance
1.6
VRB
VRT
V (min)
V (max)
(CLK LOW)
3
pF
VIN = 0.75V +0.5 Vrms
(CLK HIGH)
4
pF
RIN
RIN Input Resistance
BW
Full Power Bandwidth
>1
M
500
MHz
VRT
Top Reference Voltage
1.9
VA
V (max)
0.5
V (min)
VRB
Bottom Reference Voltage
0.3
VRT 0.5
V (max)
0
V (min)
VRT - VRB Reference Voltage Delta
1.0
V (min)
1.6
2.3
V (max)
RREF
Reference Ladder Resistance
VRT to VRB
120
(min)
160
200
(max)
CLK, PD DIGITAL INPUT CHARACTERISTICS
VIH
Logical High Input Voltage
VIL
Logical Low Input Voltage
IIH
Logical High Input Current
IIL
Logical Low Input Current
CIN
Logic Input Capacitance
VDR = VA = 3.6V
VDR = VA = 2.7V
VIH = VDR = VA = 3.6V
VIL = 0V, VDR = VA = 2.7V
2.0
V (min)
0.8
V (max)
10
nA
50
nA
3
pF
(1) The Electrical characteristics tables list ensured specifications under the listed Recommended Conditions except as otherwise modified
or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations for room temperature only
and are not ensured.
(2) The analog inputs are protected as shown below. Input voltage magnitudes up to VA + 300 mV or to 300 mV below GND will not
damage this device. However, errors in the A/D conversion can occur if the input goes above VDR or below GND by more than 100 mV.
For example, if VA is 2.7VDC the full-scale input voltage must be 2.8VDC to ensure accurate conversions.
(3) To ensure accuracy, it is required that VA and VDR be well bypassed. Each supply pin must be decoupled with separate bypass
capacitors.
(4) Typical figures are at TJ = 25°C, and represent most likely parametric norms. Test limits are specifid to TI's AOQL (Average Outgoing
Quality Level).
Copyright © 2001–2013, Texas Instruments Incorporated
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