Datasheet DES9157001DGAZ, DES9157001AC Datasheet (MITEL)

Features

● Very High Speed Operation 3.3GHz

● Silicon Technology for low Phase Noise

(Typically better than -140dBc/Hz at 10kHz)

● Specified Over the Full Military Temperature

Range

● Low Power Dissipation 345mW (typ)

● 5V Single Supply Operation

● High Input Sensitivity

● Very Wide Operating Frequency Range

● Available as DESC SMD 5962-9157001MPA

Figure 1 SP8808 Block diagram

400 400

500

500

÷8

2mA

2.5mA

6

7

6.75mA

5

3

2

VCC

1

SUPPLY

INPUT

INPUT

GND

OUTPUT

OUTPUT

V

REF

(2V)

Ordering Information

SP8808/A/DG Military temperature range
DES9157001/AC/DGAZ (SMD)

SP8808

3.3GHz ÷ 8 Fixed Modulus Divider

Advance Information

DS2113 Issue 7.3 june 1998

Description

Thermal Characteristics

θja = 150°C/W
θjc = 50°C/W

Absolute Maximum Ratings

Supply voltage V

CC

6.5V
Clock Input voltage 2.5V p-p
Storage temperature range -65°C to +150°C
Junction temperature +175°C

The SP8808 is one of a range of very high speed low
power prescalers for professional and military
applications. The device features a complementary
output stage with on chip current source for the emitter
follower outputs.

SP8808 Advance Information

2

Electrical Characteristics

Guaranteed over the temperature range T

amb

-55°C to +125°C (see note) and supply voltage range 4.75V

to 5.25V. Tested at T

amb

= -55°C and +110°C, VCC = 4.75V and 5.25V.

Supply current
Input sensitivity

0.65GHz to 2.8GHz

3.3GHz

Input impedance (series equivalent)

Output Voltage with fin =1000MHz
Output Voltage with fin = 3GHz

1

2, 3

2, 3

6, 7
6, 7

69

50

2

1

0.4

mA
mV

mV

Ω

pF

Vp-p
Vp-p

VCC = 5V
RMS sinewave
measured in 50 ohm system.
See Figs. 3 & 4

VCC = 5V
VCC = 5V load as Fig. 4

Pin

Characteristic

Conditions

Min

Typ Max

Units

Value

NOTE: Devices must be used with a suitable heatsink to maintain chip temperature below 175°C when

operating at T

amb

>110°C.

500

400

300

200

100

VIN (mV RMS

INTO 50 OHMS)

1 2 3 4

,,



FREQUENCY (GHz)

Tested as
specified in Table
of electrical
characteristics

*

GUARANTEED*

OPERATING

WINDOW

Figure 3 Typical input sensitivity

DG8

Figure 2 Pin connections

NC GND

INPUT OUTPUT

INPUT OUTPUT

V

CC

5

6

7

8NC

4

3

2

1

SP8808

85

175
400

0.8

SP8808

3

Advance Information

Figure 5 Typical input impedance

18
27

36
45

SP8808

50Ω

POWER

METER

RATIO

COUNTER

1n

1n

+5V

COAXIAL

SWITCH

0.1µ

50Ω

SIGNAL

GENERATOR

FROM

OUTPUT

0.1µ

470

3p

OUTPUT LOAD FOR

AMPLITUDE MEASUREMENTS

Figure 4 Test circuit

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