RDA012M4 DATASHEET
DS_0012PB1-2805
RDA012M4
12 Bit 1.3 GS/s 4:1 MUXDAC
Features
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12 Bit Resolution
1.3 GS/s Sampling Rate
4:1 Input Multiplexer
Master-Slave Operation for Synchronous
Operation of Multiple Devices
Differential Analog Output
Input code format: Offset Binary
Output Swing: 600 mV with 50
Ω
Termination
3.3V NMOS-Compatible Data Inputs
Differential ECL or Sinusoidal Clock Input
LVDS Compatible Clock Output
10-bit static linearity
Reference Output/Input Pin for Accurate
Full-Scale Adjustment.
3.3V and -5.2V Power Supply
77 Lead HSD package
Figure 1 - Functional Block Diagram
Product Description
The RDA012M4 is a digital-to-analog converter
(DAC) with a 4:1 input multiplexer and a
maximum update rate of 1.3GS/s. The
integrated DAC utilizes a segmented current
source to reduce the glitch energy and to
achieve high linearity performance. For best
dynamic performance, the DAC outputs are
internally terminated with 50Ω resistance, and
outputs a nominal full-scale current of 12mA
when terminated with external 50Ω resistors. For
a convenient interface with most CMOS ICs, the
digital data inputs are low voltage NMOS
compatible.
Ordering information
PART NUMBER
RDA012M4-DI
RDA012M4-HD
EVRDA012M4-HD
DESCRIPTION
12 BIT 4:1 MUX 1.3GS/s DAC, DIE
12 BIT 4:1 MUX 1.3GS/s DAC, HSD Package
RDA012M4-HD Evaluation Board
Rockwell Scientific reserves the right to make changes to its product specifications at any time without notice.
The information furnished herein is believed to be accurate; however, no responsibility is assumed for its use.
Page 1 of 12
RDA012M4 DATASHEET
DS_0012PB1-2805
Absolute Maximum Ratings
Supply Voltages
Between GNDs ………………………….……. -0.3 to +0.3 V
Between VCCs …………………..………….. -0.3 to +0.3 V
VCCs to GND ………………………..…….… 0 V to +3.8 V
RF Input Voltages
CLKIP, CLKIN to GND ........................……… 0 V to VCC
HS Digital Input Voltages
DI<0:11> …...................................................... 0 V to VCC
Output Termination Voltages
DOUTP, DOUTN to GND ……........................0 V to VCC
Temperature
Operating Temperature……………..……. -30 to +100 °C
Case Temperature…………………………… -15 to +85 °C
Junction Temperature….……………………..….. +120 °C
Lead, Soldering (10 Seconds) ………………….. +220 °C
Storage….……………………………..…..… -40 to 125 °C
Rockwell Scientific reserves the right to make changes to its product specifications at any time without notice.
The information furnished herein is believed to be accurate; however, no responsibility is assumed for its use.
Page 2 of 12
RDA012M4 DATASHEET
DS_0012PB1-2805
Electrical Specification
PARAMETER
ACCURACY
Differential Nonlinearity
Integral Nonlinearity
DYNAMIC PERFORMANCE
Spurious Free Dynamic
Range
SYMBOL
DNL
INL
CONDITIONS, NOTE
TEST LEVEL
2
2
1
1
1
MIN
TYP
±2
±2.5
56
53
50
MAX
UNITS
LSB
LSB
dBc
dBc
dBc
dB
dB
630
0
1200
12
1260
mV
p-p
mV
mV
p-p
mA
ps
ps
ps
800
-2.0
55
mVpp
V
Ω
fF
MHz
MHz
mVpp
mV
MHz
MHz
V
V
Ω
ps
ps
SFDR1
F
clk
= 800MHz , F
out
= 267MHz
SFDR2
F
clk
= 1000MHz , F
out
= 333MHz
SFDR3
F
clk
= 1300MHz , F
out
= 400MHz
Signal Noise Ratio
SNDR
Clock Feedthrough
FD
ANALOG SIGNAL OUTPUT (OUTP, OUTN)
Single Ended, 50Ω Termination to
Full-scale Output Range
V
FSS
Ground
Single Ended, 50Ω Termination to
Full-scale Output Range
V
FSRS
Ground (MIN=000h, MAX=FFFh)
Differential with 50Ω Termination to
Full-scale output swing
V
FSD
Ground on each output
Output current
I
OUT
Rise Time
T
R,OUT
20%-80% with FSR output
Fall Time
T
F,OUT
20%-80% with FSR output
Settling Time
T
SETTL
CORE CLOCK INPUT (HCLKIP, HCLKIN)
Amplitude
V
CPP,HCLKI
Differential ECL
Common Mode Voltage
V
CM,HCLKI
Input Resistance
R
HCLKI
Input Capacitance
C
HCLKI
Maximum Frequency
F
MAX,HCLKI
Minimum Frequency
F
MIN,HCLKI
CLOCK OUPUT (LCLKOP, LCLKON)
Amplitude
V
CPP,LCLKO
Differential LVDS
Common Mode Voltage
V
CM,LCLKO
Maximum Frequency
F
MAX,LCLKO
Minimum Frequency
F
MIN,LCLKO
DIGITAL INPUTS (DIA<0:11>, DIB<0:11>, DIC<0:11>, DID<0:11>)
Input High Voltage
V
IH
Input Low Voltage
V
IL
Input Resistance
R
DIN
Setup Time
t
ST,DTHCK
From data input to LCLKO
Hold Time
t
HL,DTHCK
From LCLKO to data input
2
570
-650
600
2
1140
1
1
3
3
3
2
2
3
3
2
2
3
3
400
-0.8
45
1300
600
-1.5
50
1
250
0.9
325
350
1.2
450
1.5
0.25
0.9
-0.4
300
-50
VCC
0.4
Rockwell Scientific reserves the right to make changes to its product specifications at any time without notice.
The information furnished herein is believed to be accurate; however, no responsibility is assumed for its use.
Page 3 of 12
RDA012M4 DATASHEET
DS_0012PB1-2805
Electrical Specification
PARAMETER
SYMBOL
CONDITIONS, NOTE
TEST LEVEL
MIN
TYP
-2.0
Internally generated
Internally generated
For externally driven VREFA, VREFD
3
3
3
-1.9
-1.9
500
3.1
-5.4
-5.4
Total dissipation
Positive supply
Negative supply, analog
Negative supply, digital
-2.0
-2.0
560
3.3
-5.2
-5.2
3300
500
500
2300
-2.1
-2.1
620
3.5
-5.0
-5.0
MAX
UNITS
V
V
V
Ω
V
V
V
mW
mW
mW
mW
°C
°C
TERMINATION (VTT)
HCLKI Termination
VTT
Voltage
REFERENCE (VREFA, VREFD)
Analog Reference
VREFA
Digital Reference
VREFD
Input Resistance
R
VREF
POWER SUPPLY
Positive Supply
VCC
Negative Supply, Analog
VEEA
Negative Supply, Digital
VEED
Power Dissipation
P
Power Dissipation
P
VCC
Power Dissipation
P
VEEA
Power Dissipation
P
VEED
OPERATING RANGE
Ambient Temperature
T
A
Junction Temperature
T
J
120
Test Levels
TEST LEVEL
1
2
3
1
TEST PROCEDURE
1,2
100% production tested at T
A
= 25C
1
Sample tested at T
A
= 25C unless other temperature is specified
Guaranteed by design and/or characterization testing
All tests are continuous, not pulsed. Therefore, Tj (junction temperature) > Tc (case temperature) > Ta (ambient temperature).
This is the normal operating condition and is more stressful than a pulsed test condition.
The tests are conducted with the power set to VCC
MIN
and to VCC
MAX
.
2
Rockwell Scientific reserves the right to make changes to its product specifications at any time without notice.
The information furnished herein is believed to be accurate; however, no responsibility is assumed for its use.
Page 4 of 12
RDA012M4 DATASHEET
DS_0012PB1-2805
Pin Description
P/I/O
P
P
P
P
I
I
I
I
I
I
I
I
I
I
I
I
O
O
PIN
7, 16, 39, 62
1, 68, 71, 72, 73, 74, 75, 76, 77
10, 14, 26, 52, 64, 67
Bottom Plate
2
12
4
6
5
3
8
9
11, 13, 15, 17, 18, 19, 20, 21, 22, 23, 24, 25
27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38
51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40
66, 65, 63, 61, 60, 59, 58, 57, 56, 55, 54, 53
70
69
NUM.
4
9
6
-
1
1
1
1
1
1
1
1
12
12
12
12
1
1
NAME
VCC
VEEA
VEED
GND
VREFA
VREFD
VTT
MXM
HCLKIP
HCLKIN
LCLKOP
LCLKON
DIA<0:11>
DIB<0:11>
DIC<0:11>
DID<0:11>
OUTP
OUTN
FUNCTION
+3.3V Digital Power Supply
-5.2V Analog Power Supply
-5.2V Digital Power Supply
Ground
-2V Reference Voltage
Digital Circuitry Bias Reference. Bypass to Ground
HCLKI Clock Termination Voltage
Mux Mode Selection:
Float – 4:1
GND – 2:1
Clock Input
Low Clock Output
DIA<i> Is Channel A Digital Bit i Input. MSB is bit 11
DIB<i> Is Channel B Digital Bit i Input. MSB is bit 11
DIC<i> Is Channel C Digital Bit i Input. MSB is bit 11
DID<i> Is Channel D Digital Bit i Input. MSB is bit 11
Differential Output
Pin Layout (TOP view)
Figure 2 - RDA012M4-HD pinout (top view).
Rockwell Scientific reserves the right to make changes to its product specifications at any time without notice.
The information furnished herein is believed to be accurate; however, no responsibility is assumed for its use.
Page 5 of 12
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