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Sony Semiconductor Electronic Components Datasheet

CXA3197R Datasheet

10-bit 125MSPS D/A Converter

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CXA3197R pdf
10-bit 125MSPS D/A Converter
CXA3197R
Description
The CXA3197R is a high-speed D/A converter
which can perform multiplexed input of two system
10-bit data.
This IC realizes a maximum conversion rate of
125MSPS. Multiplexed operation is possible by
inputing the 1/2 frequency-divided clock or by halving
the frequency of the clock internally with the clock
frequency divider circuit having the reset pin. The
data input is at TTL level, and the clock input and
reset input can select either TTL or PECL level
according to the application.
Features
Maximum conversion rate:
During PECL operation: 125MSPS
During TTL operation: 100MSPS
Resolution: 10 bits
Low power consumption: 480mW (typ.)
Data input level: TTL
Clock, reset input level: TTL and PECL compatible
2:1 multiplexed input function
1/2 frequency-divided clock output possible by the
built-in clock frequency divider circuit
Voltage output (50load drive possible)
Single power supply or ±dual power supply operation
Reset signal polarity switching function
Pin Configuration
48 pin LQFP (Plastic)
LEAD TREATMENT: PALLADIUM PLATING
Structure
Bipolar silicon monolithic IC
Applications
LCD
DDS
HDTV
Communications (QPSK, QAM)
Measuring devices
36 35 34 33 32 31 30 29 28 27 26 25
AGND2 37
VOCLP 38
R POLARITY 39
INV 40
PS 41
DVCC1 42
N.C. 43
DGND1 44
(MSB) DA9 45
DA8 46
DA7 47
DA6 48
24 RESETN/E
23 RESETP/E
22 RESET/T
21 CLKN/E
20 CLKP/E
19 CLK/T
18 DIV2OUT
17 DIV2IN
16 DB0 (LSB)
15 DB1
14 DB2
13 DB3
1 2 3 4 5 6 7 8 9 10 11 12
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E97639-PS


Sony Semiconductor Electronic Components Datasheet

CXA3197R Datasheet

10-bit 125MSPS D/A Converter

No Preview Available !

CXA3197R pdf
CXA3197R
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
AVCCO, AVCC2, DVCC2
–0.5 to +6.0
V
AGND2, DGND2
–6.0 to +0.5
V
DVCC1
–0.5 to +6.0
V
AVCC2 – AGND2
–0.5 to +6.0
V
AVCCO – AGND2
–0.5 to +6.0
V
DVCC2 – DGND2
–0.5 to +6.0
V
Input voltage
(Analog)
VSET
AGND2 – 0.5 to AVCC2 + 0.5
V
(Digital)
TTL input pin
DGND1 – 0.5 to DVCC1 + 0.5
V
PECL input pin
DGND1 – 0.5 to DVCC1 + 0.5
V
PS
DGND1 – 0.5 to DVCC1 + 0.5
V
(Others)
VOCLP
DGND1 – 0.5 to DVCC1 + 0.5
V
Storage temperature
Tstg
– 65 to +150
°C
Allowable power dissipation Pd
1.4 W
(when mounted on a two-layer glass fabric base epoxy board with dimensions of 76mm × 114mm, t = 1.6mm)
Recommended Operating Conditions
[Single power supply]
Supply voltage
Min. Typ. Max.
AVCCO
+4.75 +5.0 +5.25
AVCC2
+4.75 +5.0 +5.25
AGND2
–0.05
0.0 +0.05
DVCC1
+4.75 +5.0 +5.25
DGND1
–0.05
0.0 +0.05
DVCC2
+4.75 +5.0 +5.25
DGND2
–0.05
0.0 +0.05
[Dual power supply]
Min. Typ. Max.
–0.05 0.0 +0.05
–0.05 0.0 +0.05
–5.50 –5.0 –4.75
+4.75 +5.0 +5.25
–0.05 0.0 +0.05
–0.05 0.0 +0.05
–5.50 –5.0 –4.75
Unit
V
V
V
V
V
V
V
Input voltage
Min.
(Analog)
VSET
AGND2 + 0.65
(Digital)
TTL input pin
VIH DGND1 + 2.0
VIL
PECL input pin
VIH DVCC1 – 1.05
VID1
VIL DVCC1 – 3.2
0.5
(Others)
VOCLP
DGND1 + 2.4
CLK pulse width (for RECL CLK)
tpw1
3.5
tpw0
3.5
Maximum conversion rate During PECL operation Fc
125
During TTL operation Fc
100
Load resistance
RL 50
Analog output full-scale voltage
RL 10k
VFS 1.5
RL = 50
VFS 0.75
Operating temperature
Ta –20
1 VID: Input Voltage Differential
Typ.
0.8
50
2.0
1.0
Max. Unit
AGND2 + 1.03 V
V
DGND1 + 0.8 V
DVCC1 – 0.5 V
DVCC1 – 1.4 V
V
DVCC1
V
ns
ns
MSPS
MSPS
10k
2.1 V
1.05 V
+75 °C
PECL input signal switching level
DVCC1
VIH (Max.)
VIL
VID
–2–
VIH
VIL (Min.)
DGND1


Part Number CXA3197R
Description 10-bit 125MSPS D/A Converter
Maker Sony Corporation
Total Page 30 Pages
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