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ADC08100CIMTX 데이터시트 PDF




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부품번호 ADC08100CIMTX 기능
기능 8-Bit/ 20 MSPS to 100 MSPS/ 1.3 mW/MSPS A/D Converter
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ADC08100CIMTX 데이터시트, 핀배열, 회로
December 2002
ADC08100
8-Bit, 20 MSPS to 100 MSPS, 1.3 mW/MSPS A/D
Converter
General Description
The ADC08100 is a low-power, 8-bit, monolithic analog-to-
digital converter with an on-chip track-and-hold circuit. Opti-
mized for low cost, low power, small size and ease of use,
this product operates at conversion rates of 20 MSPS to
100 MSPS with outstanding dynamic performance over its
full operating range while consuming just 1.3 mW per MHz of
clock frequency. That’s just 130 mW of power at 100 MSPS.
Raising the PD pin puts the ADC08100 into a Power Down
mode where it consumes just 1 mW.
The unique architecture achieves 7.4 Effective Bits with
41 MHz input frequency. The excellent DC and AC charac-
teristics of this device, together with its low power consump-
tion and single +3V supply operation, make it ideally suited
for many imaging and communications applications, includ-
ing use in portable equipment. Furthermore, the ADC08100
is resistant to latch-up and the outputs are short-circuit proof.
The top and bottom of the ADC08100’s reference ladder are
available for connections, enabling a wide range of input
possibilities. The digital outputs are TTL/CMOS compatible
with a separate output power supply pin to support interfac-
ing with 3V or 2.5V logic. The digital inputs (CLK and PD) are
TTL/CMOS compatible.
The ADC08100 is offered in a 24-lead plastic package
(TSSOP) and is specified over the industrial temperature
range of −40˚C to +85˚C.
Features
n Single-ended input
n Internal sample-and-hold function
n Low voltage (single +3V) operation
n Small package
n Power-down feature
Key Specifications
n Resolution
8 bits
n Maximum sampling frequency
100 MSPS (min)
n DNL
0.4 LSB (typ)
n ENOB
7.4 bits (typ) at fIN = 41 MHz
n THD
−60 dB (typ)
n Guaranteed no missing codes
n Power consumption
— Operating:
1.3 mW/MSPS (typ)
— Power down:
1 mW (typ)
Applications
n Flat panel displays
n Projection systems
n Set-top boxes
n Battery-powered instruments
n Communications
n Medical scan converters
n X-ray imaging
n High speed viterbi decoders
n Astronomy
Pin Configuration
© 2002 National Semiconductor Corporation DS101371
10137101
www.national.com




ADC08100CIMTX pdf, 반도체, 판매, 대치품
Absolute Maximum Ratings (Notes 1,
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (VA)
Driver Supply Voltage (DR VD)
Voltage on Any Input or Output Pin
Reference Voltage (VRT, VRB)
CLK, OE Voltage Range
Digital Output Voltage (VOH, VOL)
Input Current at Any Pin (Note 3)
Package Input Current (Note 3)
Power Dissipation at TA = 25˚C
ESD Susceptibility (Note 5)
Human Body Model
Machine Model
3.8V
VA + 0.3V
−0.3V to VA
VA to AGND
−0.3V to
(VA + 0.3V)
DR GND to DR VD
±25 mA
±50 mA
See (Note 4)
2500V
250V
Soldering Temperature, Infrared,
10 seconds (Note 6)
Storage Temperature
235˚C
−65˚C to +150˚C
Operating Ratings (Notes 1, 2)
Operating Temperature Range
−40˚C TA +85˚C
Supply Voltage (VA)
+2.7V to +3.6V
Driver Supply Voltage (DR VD)
+2.4V to VA
Ground Difference |GND - DR GND|
0V to 300 mV
Upper Reference Voltage (VRT)
Lower Reference Voltage (VRB)
VIN Voltage Range
1.0V to (VA + 0.1V)
0V to (VRT − 1.0V)
VRB to VRT
Converter Electrical Characteristics
The following specifications apply for VA = DR VD = +3.0VDC, VRT = +1.9V, VRB = 0.3V, CL = 10 pF, fCLK = 100 MHz at 50%
duty cycle. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25˚C (Notes 7, 8)
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 9)
Units
(Limits)
DC ACCURACY
INL Integral Non-Linearity
±0.5
±1.3
LSB (max)
DNL
Differential Non-Linearity
±0.4
+1.0
−0.95
LSB (max)
LSB (min)
Missing Codes
0 (max)
FSE
Full Scale Error
18 ±28 mV (max)
VOFF
Zero Scale Offset Error
ANALOG INPUT AND REFERENCE CHARACTERISTICS
26 ±35 mV (max)
VIN Input Voltage
CIN VIN Input Capacitance
RIN RIN Input Resistance
BW Full Power Bandwidth
1.6 VRB V (min)
VRT V (max)
VIN = 0.75V +0.5
(CLK LOW)
3
pF
Vrms
(CLK HIGH)
4
pF
>1 M
200 MHz
VRT Top Reference Voltage
1.9 VA V (max)
1.0 V (min)
VRB Bottom Reference Voltage
0.3
VRT − 1.0
V (max)
0 V (min)
VRT -
VRB
RREF
Reference Delta
Reference Ladder Resistance
VRT to VRB
1.0 V (min)
1.6
2.3 V(max)
150 (min)
220
300 (max)
IREF Reference Ladder Current
5.3 mA (min)
7.3
10.6 mA (max)
CLK, PD DIGITAL INPUT CHARACTERISTICS
VIH Logical High Input Voltage
VIL Logical Low Input Voltage
IIH Logical High Input Current
DR VD = VA = 3.3V
DR VD = VA = 2.7V
VIH = DR VD = VA = 3.3V
2.0 V (min)
0.8 V (max)
10 nA
www.national.com
4

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ADC08100CIMTX 전자부품, 판매, 대치품
Converter Electrical Characteristics (Continued)
10137107
Note 8: To guarantee accuracy, it is required that VA and DR VD be well bypassed. Each supply pin must be decoupled with separate bypass capacitors.
Note 9: Typical figures are at TJ = 25˚C, and represent most likely parametric norms. Test limits are guaranteed to National’s AOQL (Average Outgoing Quality
Level).
Typical Performance Characteristics VA = DR VD = 3V, fCLK = 100 MHz, fIN = 41 MHz, unless oth-
erwise stated
INL INL vs Temperature
10137108
INL vs Supply Voltage
INL vs Sample Rate
10137114
10137115
7
10137110
www.national.com

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