Intersil Corporation HI1276Y Datasheet
SEMICONDUCTOR
HI1276Y
April 1995
Features
• Differential Linearity Error . . . . . . . . . .±0.5 LSB or Less
• Integral Linearity Error. . . . . . . . . . . . . .±0.7 LSB or Less
• Built-In Integral Linearity Compensation Circuit
• Ultra High Speed Operation with Maximum
Conversion Rate of 500 MSPS (Min)
• Low Input Capacitance . . . . . . . . . . . . . . . . . 20pF (Typ)
• Wide Analog Input Bandwidth 300MHz
(Min. for Full-Scale Input)
• Single Power Supply . . . . . . . . . . . . . . . . . . . . . . . .-5.2V
• Low Power Consumption . . . . . . . . . . . . . . . 2.8W (Typ)
• Low Error Rate
• Capable of Driving 50Ω Loads
Applications
• Radar Systems
• Communication Systems
• Digital Oscilloscopes
• Direct RF Down-Conversion
8-Bit 500 MSPS Flash A/D Converter
Description
This is a specification that outlines the mechanical and
electrical characteristics for the HI1276Y, 8-bit Flash A/D
converter IC, in chip (die) form.
Ordering Information
PART
NUMBER TEMPERATURE PACKAGE
HI1276Y +25oC Die
• All performance parameters are for packaged
devices when supplied by Harris.
Die Metallization Layer
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper I.C. Handling Procedures.
Copyright
© Harris Corporation 1995
1
File Number
3958
Functional Block Diagram
R1
62
V
RT
V
63
RTS
V
IN1
V
RM
R2
56
57
R3
54
R/2
R
R
R
R
R
R
R
R
R
COMPARATOR
0
1
2
63
64
65
126
127
ENCODE
LOGIC
128
129
HI1276Y
MINV
35
OUTPUT
2
3
33
34
31
32
24
25
21
22
15
16
12
13
6
7
4
5
OR
OR
D7 (MSB)
D7
D6
D6
D5
D5
D4
D4
D3
D3
D2
D2
D1
D1
D0 (LSB)
D0
V
V
CLK
CLK
IN2
RBS
V
RB
R
191
R
51
52
R4
45
46
R5
39
38
192
R
193
R
254
R
255
R/2
CLOCK
DRIVER
1
LINV
2
Specifications HI1276Y
Absolute Maximum Ratings T
Supply Voltage (AV
Analog Input Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . -2.7 to +0.5V
Reference Input Voltage
VRT, VRB, VRM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . AVEE to +0.5V
, DVEE). . . . . . . . . . . . . . . . . . . . -7V to +0.5V
EE
= +25oC
A
VRM Pin Input Current (I
) . . . . . . . . . . . . . . . . . . .-3mA to +3mA
VRM
Digital Output Current
(ID0 to ID7, IOR, ID0 to ID7, IOR). . . . . . . . . . . . . .-30mA to 0mA
Storage Temperature Range (T
) . . . . . . . . . . . .-65oC to +150oC
STG
|VRT-VRB|. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.5V
Digital Input Voltage
MINV, LINV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -4V to +0.5V
CLK, CLK, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DVEE to +0.5V
|CLK-CLK| . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.7V
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Operating Conditions
Supply Voltage
AVEE, DVEE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -5.5V to -4.95V
AVEE - DVEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.05V to 0.05V
AGND - DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.05V to 0.05V
Electrical Specifications TA = +25oC, DVEE, AVEE = -5.2V, VRT = 0V, VRB = -2V
PARAMETER TEST CONDITIONS MIN MAX UNIT
Differential Linearity Error (DNL)
(00000000 to 11111111)
Integral Linearity Error (INL)
(00000000 to 11111111)
Reference Input Voltage
VRT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.1V to 0.1V
VRB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2.2V to -1.8V
Analog Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . VRB to V
-0.5 0.5 LSB
-0.7 0.7 LSB
RT
Resolution 8 - Bits
Input Bias Current, L
IN
Analog Input Resistance, R
Resister-String Current, I
Reference Voltage, V
REF
RM
IN
VIN = -1.0V 50 830 µA
VIN = -1.0V 35 380 kΩ
-24 -16 mA
-1.1 -0.9 V
Residual Resistance, R1 0.1 1.2 Ω
Residual Resistance, R5 0.1 1.2 Ω
Digital Input Current HI, I
Digital Input Current LO, I
CLK Open Voltage, V
Leakage (1) D0 to D7, V
IH
IL
OPN
LEAK
Leakage (2) D0 to D7,
VIN, LINV, MINV, CLK, CLK, I
Digital Output Voltage HI, V
OH
Digital Output Voltage LO, V
Supply Current, I
EE
LEAK
OL
Hi = -0.8V 0 50 µA
Lo = -1.6V -30 30 µA
CLK = Open -1.45 -1.20 V
I = -10µA -1.0 -0.3 V
V = 0.3V -1.0 1.0 µA
50Ω to -2V -1 -0.6 V
50Ω to -2V -2 -1.6 V
-640 -400 mA
3
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