TPS65040_07 datasheet(17/74 Pages) TI

Part #	TPS65040

Description	CLOCK- AND POWER-MANAGEMENT IC FOR RF SYSTEM

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ELECTRICAL CHARACTERISTICS (continued)

TPS65040

SLVS708B – NOVEMBER 2006 – REVISED APRIL 2007

Over recommended input conditions, T

A = –30°C to 85°C, typical values are VBAT = 3.8 V, VIO1V8 = 1.85 V at TA = 25°C

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PAVREF (D/A CONVERTER)(1)

Resolution

8

bit

Differential non-linearity

DNL

–

LSB

error(2)

INL

Integral non-linearity error(2)

–

LSB

Monotony Increase(2)

Specified

Full scale code digital input, ILOAD = 5 mA

2.85

2.90

2.95

VO(PAVREF)

Output voltage

Zero scale code digital input, ILOAD = 5 mA

0.90

0.95

1.0

V

Input code = F8h, ILOAD = 5 mA

2.80

2.85

2.90

IO(PAVREF)

Maximum output current

5

mA

ISD(PAVREF)

Shutdown current(3)

VBN1 pin at TA = 25°C

1

µA

Quiescent current(4)

VBN1 pin, ILOAD = 0 mA at TA = 25°C, Default code

IQ(PAVREF)

900

1500

µA

set

TXONFST pin = VVIO, TXON pin = VVIO,

Settling time1(2)

CL = 130 pF, Zero scale code to full scale code

5

µs

(95%)

tSET(PAVREF)

TXONFST pin = VVIO, TXON pin = VVIO,

Settling time2(2)

CL = 130 pF, Full scale code to zero scale code

5

µs

(5%)

TXONFST pin = VVIO and TXON pin = 0 V to VVIO,

tST(PAVREF)

Startup time

5

µ s

Full scale code (95%)

tF(PAVREF)

Output voltage falling time

TXON pin = VVIO to 0 V

15

µs

VON(PAVREF)

Output noise(2)

Default code, ILOAD = 0 mA

80

µVrms

Power supply ripple

PSRR(PAVREF)

FRIPPLE = 100 Hz, ILOAD = 5 mA, Full scale code

75

dB

rejection(2)(5)

RO(PAVREF)

Output impedance

TXONFST pin = VVIO, TXON pin = VVIO

20

Ω

RPD(PAVREF)

Pull down resistance

TXON pin = 0 V

100

Ω

CL

Capacitance load

130

pF

(1)

Output pin is PAVREF1, PAVREF2 or PAVREF3. Output pin can be selected by TBNDSEL1 and TBNDSE2 pin. More detail is given in

PAVREF section.

(2)

Not production tested. Specified by using the reference EVM.

(3)

REG_EN pin = Low, includes reference block and AFCDAC

(4)

Includes power consumption of the reference block.

(5)

Ripple voltage = 0.1 VPP

17

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