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參數資料
| 型號： | AD9901KQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | XO, clock |
| 英文描述： | TVS Diode; Diode Type:Bidirectional TVS; Stand-Off Voltage, VRWM:30V; Breakdown Voltage, Vbr:33.3V; Package/Case:DO-214AB; Leaded Process Compatible:Yes; No. of Lines Protected Max:1; Peak Pulse Power PPK @ 10x1000uS:1500W RoHS Compliant: Yes |
| 中文描述： | PHASE DETECTOR, 200 MHz, CDIP14 |
| 封裝： | CERDIP-14 |
| 文件頁數： | 4/8頁 |
| 文件大小： | 157K |
| 代理商： | AD9901KQ |
AD9901
REV. B
–4–
TTL/CMOS MODE FUNCTIONAL PIN DESCRIPTIONS
GROUND
Ground connections for AD9901. Connect
all grounds together and to low impedance
ground plane as close to the device as
possible.
+V
S
Positive supply connection; nominally +5.0 V
for TTL operation.
BIAS
Connect to +V
S
(+5 V) for TTL operation.
VCO INPUT
TTL compatible input; normally connected
to the VCO output signal. VCO INPUT and
REFERENCE INPUT are equivalent to one
another.
OUTPUT
The noninverted output. In TTL/CMOS
mode, the output swing is approximately
+3.2 V to +5 V.
R
SET
External R
SET
connection. The current
through the R
SET
resistor is equal to the maxi-
mum full-scale output current. R
SET
should
be connected to ground through an external
resistor in TTL mode. I
SET
= 0.47 V/R
SET
=
I
LOAD
(max).
OUTPUT
The inverted output. In TTL/CMOS mode,
the output swing is approximately +3.2 V to
+5 V.
REFERENCE
TTL compatible input, normally connected
INPUT
to the reference input signal. The VCO
INPUT and the REFERENCE INPUT are
equivalent.
REG
R
SET
AD9901
R1
OUTPUT
R2
+V
S
+V
S
REFERENCE
OUTPUT
OUTPUT
+V
S
VCO
INPUT
BIAS
+V
S
+V
S
R3
Figure 1. TTL Mode (Based on DIP Pinouts)
ECL MODE FUNCTIONAL PIN DESCRIPTIONS
–V
S
Negative supply connection, nominally
–5.2 V for ECL operation.
BIAS
Connect to –5.2 V for ECL operation.
VCO INPUT
Inverted side of ECL compatible differential
input, normally connected to the VCO output
signal.
VCO INPUT
Noninverted side of ECL-compatible
differential input, normally connected to the
VCO output signal.
OUTPUT
The noninverted output. In ECL mode, the
output swing is approximately 0 V to –1.8 V.
GROUND
Ground connections for AD9901. Connect
all grounds together and to low-impedance
ground plane as close to the device as
possible.
R
SET
External R
SET
connection. The current
through the R
SET
resistor is equal to the maxi-
mum full-scale output current. R
SET
should
be connected to –V
S
through an external
resistor in ECL mode. I
SET
= 0.47 V/R
SET
=
I
LOAD
(max).
OUTPUT
The inverted output. In ECL mode, the out-
put swing is approximately 0 V to –1.8 V.
REFERENCE
Noninverted side of ECL-compatible
INPUT
differential input, normally connected to the
reference input signal. The VCO INPUT and
the REFERENCE INPUT are equivalent to
one another.
REFERENCE
Inverted side of ECL-compatible differential
INPUT
input, normally connected to the reference
input signal. The
VCO INPUT
and the
REFERENCE INPUT
are equivalent.
REG
R
SET
AD9901
R1
OUTPUT
R2
–V
S
REFERENCE
INPUT
OUTPUT
VCO
INPUT
BIAS
R3
REFERENCE
INPUT
–V
S
–V
S
VCO
INPUT
–V
S
Figure 2. ECL Mode (Based on DIP Pinouts)
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