MAS9142(2000) Просмотр технического описания (PDF) - Micro Analog Systems Oy

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MAS9142
(Rev.:2000)

Power Amplifier Controller (PAC) and 2.8 V, 50 mA LDO Voltage Regulator

Micro Analog Systems Oy 

%/2&. ',$*5$0

DTEMP

DRECT

PSENSE

RAMP

VRCTRL

DA9142.000

26 April, 2000

OAMINUS

OAOUT

FB

OA

Σ

0$6

LDO

Voltage

Regulator

CBYPASS

VAPC

VROUT

3,1 &21),*85$7,21

3LQ 1R

1

2

3

4

5

6

7

8

9

10

12

13

14

15

16

3LQ QDPH

OAMINUS

DTEMP

DRECT

PSENSE

VSS1

RAMP

CBYPASS

VRCTRL *1

VSS2

VDD2

VROUT

VAPC

TXEN *1

VDD1

OAOUT

)XQFWLRQ

OA Inverting Input (for Optional External Feedback Components)

Schottky Diode for Temperature Compensation

Rectifier Schottky Diode

Power Measurement Input (from Directional Coupler)

Ground for Power Amplifier Controller

GSM Power Ramping Signal Input

Voltage Regulator Reference Voltage Bypass Capacitor

Voltage Regulator Enable

Ground for Voltage Regulator

Supply for Voltage Regulator

Voltage Regulator Output

Automatic Power Control Output Voltage (to PA)

Transmit Enable

Supply for Power Amplifier Controller

OA Output (for Optional External Feedback Components)

127( :Digital control pads, Active-High, CMOS-compatible voltage levels.

2 (11)

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