파트넘버.co.kr ADC-318 데이터시트 PDF


ADC-318 반도체 회로 부품 판매점

8-Bit/ 120MHz and 140MHz Full-Flash A/D Converter



ETC 로고
ETC
ADC-318 데이터시트, 핀배열, 회로
®®
ADC-318, ADC-318A
8-Bit, 120MHz and 140MHz
Full-Flash A/D Converter
FEATURES
Low power dissipation (960mW max.)
TTL compatible output
Diff./Integral nonlinearity (±½LSB max.)
1:2 Demultiplexed straight output programmable
2:1 Frequency divided TTL clock output with reset
Surface mount package
Selectable Input Logic (TTl, ECL, PECL)
+5V or ±5V Power Supply Operation
GENERAL DESCRIPTION
The ADC-318 and ADC-318A are 8 bit monolithic bipolar,
full flash A/D converters. Though they have high, 120MHz
(ADC-318) and 140MHz (ADC-318A), sampling rates, their
input logic level, including the start convert pulse, is TTL,
ECL and PECL compatible. Digital outputs are also TTL
compatible and allow a straight output or a programmable
1:2 de-multiplexed output.
The ADC-318 and ADC-318A feature ±1/2 LSB max.
integral and differential non-linearity, +5V single or ±5V dual
power supply operation, a low 960mW maximum power
dissipation, 150MHz wide analog input range and excellent
temperature coefficient in a small 48 pin QFP package. The
start convert pulse can have a 50% duty cycle.
The ADC-318 and ADC-318A offer low cost, easy to use
functionality for design engineers.
INPUT/OUTPUT CONNECTIONS
PIN FUNCTION
PIN FUNCTION
1 –DVs (Digital)
48
2 REF. BOTTOM (VRB)
47
3 ANALOG GROUND
46
4 REF. MID POINT (VRM1) 45
5 +AVS (Analog)
44
6 ANALOG IN (VIN)
43
7 REF. MID POINT (VRM2) 42
8 +AVS (Analog)
41
9 REF. MID POINT (VRM3) 40
10 ANALOG GROUND
39
11 REF. TOP (VRT)
38
12 DIGITAL GROUND 3
37
13 A/D CLOCK ECL/PECL 36
14 A/D CLOCK ECL/PECL 35
15 A/D CLOCK TTL
34
16 NO CONNECTION
33
17 NO CONNECTION
32
18 NO CONNECTION
31
19 +DVS2 (Digital)
30
20 DIGITAL GROUND 2
29
21 B BIT 8 (LSB)
28
22 B BIT 7
27
23 B BIT 6
26
24 B BIT 5
25
RSET ECL/PECL
RSET ECL/PECL
RSET TTL
SELECT
INV
TTL CLOCK OUT
+DVS2 (Digital)
DIGITAL GROUND 2
A BIT 1 (MSB)
A BIT 2
A BIT 3
A BIT 4
A BIT 5
A BIT 6
A BIT 7
A BIT 8 (LSB)
DIGITAL GROUND 2
+DVS2 (Digital)
+DVS1 (Digital)
DIGITAL GROUND 1
B BIT 1 (MSB)
B BIT 2
B BIT 3
B BIT 4
VIN 6
VRT 11
VRM3 9
VRM2 7
VRM1 4
VRB 2
A/D CLOCK ECL/PECL 13
A/D CLOCK ECL/PECL 14
A/D CLOCK TTL 15
RSET ECL/PECL 48
RSET ECL/PECL 47
RSET TTL 46
6
6
256
6
6
DELAY
DQ
Q
8
A
LATCH
8
A
TTL
OUTPUT
44 INV
33 BIT 8 (LSB)
34 BIT 7
35 BIT 6
36 BIT 5 A OUTPUT
37 BIT 4
38 BIT 3
39 BIT 2
40 BIT 1 (MSB)
B
LATCH
6
B
TTL
OUTPUT
21 BIT 8 (LSB)
22 BIT 7
23 BIT 6
24 BIT 5 B OUTPUT
25 BIT 4
26 BIT 3
27 BIT 2
28 BIT 1 (MSB)
SELECT
43 CLOCK OUT
TTL
45 SELECT
Figure 1. ADC-318/318A Functional Block Diagram
DATEL, Inc., Mansfield, MA 02048 (USA) Tel: (508) 339-3000, (800)233-2765 Fax: (508) 339-6356 Email: [email protected] Internet: www.datel.com


ADC-318 데이터시트, 핀배열, 회로
ADC-318, ADC-318A
®®
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
LIMITS
UNITS
Supply Voltage (+AVS, +DVS, 1,2)
Supply Voltage (AGND, DGND 1, 2)
Supply Voltage (DGND 3)
Supply Voltage (–DVS) Œ
Supply Voltage (–DVS) 
Reference Voltage (VRT)
Reference Voltage (VRB)
Reference Voltage (VRT–VRB1)
Input Voltage, analog (VIN)
Input Voltage, digital
ECL
PECL
TTL
Diff. Voltage between Pin Ž
Power Dissipation, max. 
–0.5 to +7.0
–0.5 to +7.0
–0.5 to +7.0
–0.5 to +7.0
–7.0 to +0.5
+2.7 to +AVS
VIN –2.7 to +AVS
2.5
VRT –2.7 to +AVS
–DVS to +0.5
–0.5 to DGND3
–0.5 to +DVS1
2.7
2
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
W
Footnote:
ΠSingle Supply
 Dual Supply
Ž A/D Clock–A/D Clock and RESET–RESET of ECL/PECL logic inputs.
 With ADC-318 mounted on a 50x50mm glass fiber base
epoxy board, 1.6mm thick.
FUNCTIONAL SPECIFICATIONS
(Typical at TA = 25°C, VRT = +4V, VRB = +2V, DGND3 = +DVS1= +DVS2 = +AVS =
+5V, –DVS = 0V, PECL Logic, unless otherwise specified.)
ANALOG INPUTS
MIN. TYP. MAX. UNITS
Input Voltage
Input Resistance
Input Current
Input Capacitance Œ
Input Bandwidth
VIN = 2Vp-p, –3dB
REFERENCE INPUTS
— +2 to +4 —
4 — 50
0 — 500
— 21 —
150 — —
Volts
k
µA
pF
MHz
Reference Voltage
VRT
VRB
VRT–VRB
Reference Resistance
Reference Current
VRT Offset Voltage
VRB Offset Voltage
DIGITAL INPUTS
+2.9 — +4.1 Volts
+1.4 — +2.6 Volts
1.5 — 2.1 Volts
75 115 155
9.7 17.4 28 mA
2 — 15 mV
2 — 10 mV
ECL, PECL
Input Voltage "1"
Input Voltage "0"
Threshold Voltage
Input Current "1" 
Input Current "0" 
Voltage Difference
TTL
Input Voltage "1"
Input Voltage "0"
Threshold Voltage
Input Current "1" Ž
Input Current "0" Ž
Select
Input Voltage "1"
Output Voltage "0"
Input Capacitance
DGND3–1.05 DGND3–0.5
DGND3–3.2
DGND3–1.4
DGND3–1.2
–50 — +50
–75 —
0
0.4 0.8 —
Volts
Volts
Volts
µA
µA
Volts
+2.0 — — Volts
— — +0.8 Volts
— +1.5 — Volts
–50 — 0 µA
–500 — 0 µA
— +DVS1 —
— +DGND1 —
— —5
pF
DIGITAL INPUTS
A/D Clock Pulse Width (TPW1)
ADC-318
ADC-318A
A/D Clock Pulse Width (TPW0)
ADC-318
ADC-318A
RSET Setup Time (Trs)
RSET Hold Time (Trh)
DIGITAL OUTPUTS
Output Voltage "1" (@–2mA)
Output Voltage "0" (@1mA)
Output Rise Time (Tr) 
Output Fall Time (Tf) 
Output Delay (Tdo1) 
Output Delay (Tdo2) ‘
Clockout Output Delay (Tdclk) ’
PERFORMANCE
Resolution
Conversion Rate (fS)
Straight Mode
ADC-318
ADC-318A
De-multiplexed Mode
ADC-318
ADC-318A
Sampling Delay (TdS)
Aperture Jitter (Taj)
Integral Linearity Error
Diff. Linearity Error
S/N Ratio “
ADC-318
(@fIN = 1kHz)
(@fIN = 29.999MHz)
ADC-318A
(@fIN = 1kHz)
(@fIN = 34.999MHz)
Error Rate
ADC-318
(@fIN = 1kHz) ”
(@fIN = 29.999MHz)
(@fIN = 24.999MHz)•
ADC-318A
(@fIN = 1kHz) ”
(@fIN = 34.999MHz)
(@fIN = 24.999MHz)•
POWER REQUIREMENTS
Supply Voltage
One Power Supply
(+AVS, +DVS 1,2)
One Power Supply (DGND3)
One Power Supply (–DVS)
Two Power Supply
(+AVS, +DVS 1,2)
Two Power Supply (DGND3)
Two Power Supply (–DVS)
ADC-318
Supply Current (+IS)
Supply Current (–IS)
ADC-318A
Supply Current (+zS)
Supply Current (–zS)
MIN. TYP. MAX. UNITS
3.2 — — ns
3.0 — — ns
3.2 — — ns
3.0 — — ns
3.5 — — ns
0 — — ns
2.4 — — Volts
— — +0.5 Volts
— 2 — ns
— 2 — ns
1/Fc 1/Fc+1 1/Fc+2
ns
6.5 8 10 ns
4.5 7 8 ns
8 — — Bit
100 — — MHz
100 — — MHz
100 — — MHz 13
100 — — MHz 13
3 4.5 6 ns 13
— 10 — ps
— — ±0.5 LSB
— — ±0.5 LSB
— 46 — dB
— 40 — dB
— 46 — dB
— 40 — dB
10-12
TPS 1 1
— — 10-9 TPS 1 1
— — 10-9 TPS 1 1
10-12
TPS 1 1
— — 10-9 TPS 1 1
— — 10-9 TPS 1 1
+4.75
+4.75
–0.05
+4.75
–0.05
–5.5
125
0.4
110
0.4
+5.0 +5.25 Volts
+5.0 +5.25 Volts
0 +0.05 Volts
+5.0 +5.25 Volts
0 +0.05 Volts
–5.0 –4.75 Volts
145 185
0.6 0.8
mA
mA
150 185
0.6 0.8
mA
mA
2




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ADC-318

8-Bit/ 120MHz and 140MHz Full-Flash A/D Converter - ETC



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8-Bit/ 120MHz and 140MHz Full-Flash A/D Converter - ETC