Motorola MC44827BDTB, MC44827DTB Datasheet

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SEMICONDUCTOR

TECHNICAL DATA

LOW–POWER

PLL TUNING CIRCUIT

PIN CONNECTIONS

Order this document by MC44827/D

116

15

14

13

12

11

10

9

2

3

4

5

6

7

8

DA

CL

XTAL

V

CC2

33 V

V

CC1

5.0 V

HF In

EN

Gnd

DTB SUFFIX

PLASTIC PACKAGE

CASE 948F

(TSSOP–16)

16

1

Amp In

V

TUN

Lock

V

CC3

12 V

B3

B2

B1

B0

(Top View)

FOR 3–WIRE BUS WITH

1.3 GHz PRESCALER

1

MOTOROLA ANALOG IC DEVICE DATA

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   

The MC44827/27B are tuning circuits for TV and VCR tuner applications.
They contain on one chip all the functions required for PLL control of a VCO.
The integrated circuits also contain a high frequency prescaler and thus can
handle frequencies up to 1.3 GHz.

The MC44827 has programmable 512/1024 reference divider while the
MC44827B has a fixed reference divider of 1024.

The MC44827/27B offer the same features as MC44817/17B but has
improved sensitivity performance and reduced power dissipation. The low
frequency preamplifier has been removed and the operational amplifier
pull–up resistor has been increased to 60 kΩ.

The MC44827/27B are controlled via a 3–wire bus. The MC44827/27B
have the same functions as the MC44828 which is I2C bus controlled. The
MC44827/27B and the MC44828 can be exchanged to allow conversion
between 3–wire bus and I2C bus control.

The MC44827/27B are manufactured on a single silicon chip using
Motorola’s high density bipolar process, MOSAIC (Motorola Oxide Self
Aligned Implanted Circuits).

• Complete Single Chip System for MPU Control (3–Wire Bus). Data and

Clock Inputs are I2C Bus Compatible

• Divide–by–8 Prescaler Accepts Frequencies up to 1.3 GHz

• 15 Bit Programmable Divider Accepts Input Frequencies up to 165 MHz

• 3–State Phase/Frequency Comparator

• Operational Amplifier for Direct Tuning Voltage Output (30 V)

• Four Integrated PNP Band Buffers can drive up to 40 mA

(V

CC1

to 14.4 V)

• Output Options for the Reference Frequency and the

Programmable Divider

• Bus Protocol for 18 or 19 Bit Transmission

• Extra 34–Bit Protocol for Test and Further Features

• High Sensitivity Preamplifier

• Lower Power Consumption, 200 mW Typical

• Improved Prescaler with Higher Margins for Sensitivity and

Temperature Range

• Lock Detector with Push–Pull Output

• Space–Saving TSSOP Package

• ESD Protected to MIL–STD–883C, Method 3015.7 (1.5 kΩ,100 pF)

MOSAIC is a trademark of Motorola, Inc.

ORDERING INFORMATION

Device

Operating

Temperature Range

Package

MC44827DTB

°

°

MC44827BDTB

T

A

= –

20° t

o +

80°C

TSSOP–16

 Motorola, Inc. 1998 Rev 1

MC44827/27B

2

MOTOROLA ANALOG IC DEVICE DATA

Figure 1. Representative Block Diagram

This device contains 3,204 active transistors.

Gnd

Test

Logic

Buffers

Latches

P–On
Reset

3–Wire Bus

Receiver

Latches

Phase

Comp

Ref

Divider

Osc

Latch Control

Program Divider

15 Bit

Latches B

Latches A

÷

8

Prescaler

Preamp 1

DTB2

POR

Operational

Amplifier

V

ref

60 k (1)

DTB1

CL

Data

RL

DTF

F

out

TDI

F

out

F

ref

T5

T0

…

T2

T4

4

6

15

10111213 14 5 675.0 V

F

out

F

ref

9

16

1

2

8

EN
DA

CL

HF In

V

CC1

V

CC3

12 V

V

TUN

V

CC2 33 V

Amp In

Lock

XTAL

B3 B2 B1 B0

DTS, EN

512/1024

B = 1024 Only

4

15

3

12 V

NOTE: 1. This part may be used with an external pull–up resistor of 20 kΩ to remain compatible with MC44817/17B

designed tuners. Pin 6 is left open. The internal pull–up can also be used with an external resistor in parallel.

Shift Register

15 Bit

MAXIMUM RATINGS (T

A

= 25°C, unless otherwise noted.)

Rating

Pin Value Unit

Power Supply Voltage (V

CC1

) 7 6.0 V
Band Buffer “Off” Voltage 10–13 14.4 V
Band Buffer “On” Current 10–13 50 mA
Band Buffer Pin Shorted to Ground or V

CC3

(Short Circuit Duration) (Note 1) 10–13 Continuous –

Operational Amplifier Power Supply Voltage (V

CC2

) 6 40 V

Operational Amplifier Pin Shorted to Ground or V

CC2

(Short Circuit Duration) 5 Continuous –

Power Supply Voltage (V

CC3

) 14 14.4 V
Storage Temperature – –65 to +150 °C
Operating Temperature Range – –20 to +80 °C
Band Buffer Operation (Note 2) at 50 mA each Buffer All Buffers “On” Simultaneously 10–13 10 s
Operational Amplifier Output Voltage 5 V

CC2

V

RF Input Level (80 MHz to 1.3 GHz) 8 1.5 Vrms

NOTES: 1. At V

CC3

= V

CC1

to 14.4 V and TA = –20° to +80°C one buffer “On” only.

2.At V

CC3

= V

CC1

to 14.4 V and TA = –20° to +80°C.

3.ESD data available upon request.

MC44827/27B

3

MOTOROLA ANALOG IC DEVICE DATA

ELECTRICAL CHARACTERISTICS (Parameter Type: A–100% Tested, B–100% Correlation Tested, C–Characterized on Samples,

D–Design Parameter. V

CC1

= 5.0 V; V

CC2

= 33 V; V

CC3

= 12 V; TA = 25°C, unless otherwise noted.)

Characteristic

Pin Min Typ Max Unit Type

V

CC1

Supply Voltage Range 7 4.5 5.0 5.5 V A

V

CC2

Supply Voltage Range 6 25 32 37 V A

V

CC3

Supply Voltage Range 14 V

CC1

12 14.4 V A

V

CC1

Supply Current (V

CC1

= 5.0 V; V

CC3

= 12 V) One Buffer “On” 7 – 23 30 mA A

V

CC2

Supply Current (Output Open) V

TUN

= 15 V 6 – 0.3 1.0 mA A

V

CC3

Supply Current 14 mA A
All Buffers “Off” – 0.15 0.3
One Buffer “On” when Open – 6.5 8.0
One Buffer “On” at 40 mA – 46.5 50

Band Buffer Leakage Current when “Off” at 12 V 10–13 – 0.01 1.0 µA A
Band Buffer Saturation Voltage when “On” at 30 mA 10–13 – 0.15 0.3 V B
Band Buffer Saturation Voltage when “On” at 40 mA 10–13 – 0.2 0.5 V A
Data/Clock/Enable Current at 0 V 1, 2, 16 –10 – 0 µA A
Data/Clock/Enable Current at 5.0 V 1, 2, 16 0 – 1.0 µA A
Data/Clock/Enable Input Voltage Low 1, 2, 16 – – 1.5 V A
Data/Clock/Enable Input Voltage High 1, 2, 16 3.0 – – V A
Clock Frequency Range 2 – – 100 kHz D
Oscillator Frequency Range 3 3.15 3.2 4.05 MHz D
Operational Amplifier Internal Reference Voltage – 1.8 2.75 3.5 V A
Operational Amplifier Input Current 4 –15 0 15 nA A
DC Open Loop Gain – 100 250 – – B
Gain Bandwidth Product (CL = 1.0 nF) – 0.3 – – MHz C
V

out

Low, Sinking 50 µA (Note 1) 5 – 80 200 mV A

V

out

High, Sourcing 3.0 µA, V

CC2

– V

out

5 – 0.2 0.5 V B
Phase Comparator 3–State Current 4 –15 0 15 nA A
Charge Pump High Current of Phase Comparator 4 30 50 85 µA A
Charge Pump Low Current of Phase Comparator 4 10 15 30 µA A

NOTE: 1. Using the internal 60 kΩ pull–up resistor only.

Figure 2. HF (Prescaler Input) Sensitivity Test Circuit

NOTES: 1.Device is in test mode. B2, B3 are “On” and B0, B1 are “Off”.

2.Sensitivity is level of HF generator on 50 Ω load.

16 1 2 14

HF8Gnd9B010B111B212B3

13

Bus Controller

HF Generator

HF Out Gnd

7V

CC1

Counter
In

V

CC3

Bus

3.9 k

3.9 k3.9 k 3.9 k

50

Ω

50 Ω Cable

1.0 nF

MC44827/27B

Guaranteed Operating Area

0

40

RF Level (dBm)

RF In (MHz)

200 400

600

800 1000 1200 1400

20

0

–20

–40

–60

Figure 3. Typical Prescaler Input Sensitivity