TH71221 datasheet(27/44 Pages) MELEXIS

27 / 44 page

TH71221

27 to 930MHz

FSK/FM/ASK Transceiver

39010 071221

Page 27 of 44

Data Sheet

Rev. 009

Nov/15

6.3

DC Characteristics

all parameters under normal operating conditions, unless otherwise stated;

typical values at TA = 23 °C and VCC = 3 V

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Operating currents

Standby current

ISBY

Max at TA = 25 °C

0.05

0.2

µA

Max at TA = 85 °C

0.05

1.0

Idle current

Reg. BAND

IIDLE

Idle mode (RO only),

Reg. IDLESEL = 0

0.3

0.7

1 (> 500 MHz)

Idle mode,

(whole PLL),

Reg. IDLESEL = 1

3.5

4.8

1 (> 500 MHz)

6.3

8.0

Receive supply

current - ASK

0 (< 500 MHz)

IRXL_ASK

ASK Receive mode,

LNA @ low gain

6.1

8.2

1 (> 500 MHz)

8.9

13.0

0 (< 500 MHz)

IRXH_ASK

ASK Receive mode,

LNA @ high gain

7.4

10.1

1 (> 500 MHz)

10.2

14.9

Receive supply

current - FSK

0 (< 500 MHz)

IRXL_FSK

FSK Receive mode,

LNA @ low gain

6.7

9.2

1 (> 500 MHz)

9.5

13.8

0 (< 500 MHz)

IRXH_FSK

FSK Receive mode,

LNA @ high gain

8.0

11.1

1 (> 500 MHz)

10.8

15.7

Transmit

supply current

@ P1

0 (< 500 MHz)

IP1

Transmit mode,

Reg. TXPOWER =00,

VPS_PA = 0.3V,

continuous wave

(CW) mode

13.2

16.4

1 (> 500 MHz)

17.1

20.8

Transmit

supply current

@ P2

0 (< 500 MHz)

IP2

Transmit mode,

Reg. TXPOWER =01,

VPS_PA = 0.3V,

CW mode

15.2

19.8

1 (> 500 MHz)

19.1

24.5

Transmit

supply current

@ P3

0 (< 500 MHz)

IP3

Transmit mode,

Reg. TXPOWER =10,

VPS_PA = 0.3V,

CW mode

18.6

25.8

1 (> 500 MHz)

22.5

31.1

Transmit

supply current

@ P4

0 (< 500 MHz)

IP4

Transmit mode,

Reg. TXPOWER =11,

VPS_PA = 0.3V,

CW mode

23.0

38.6

1 (> 500 MHz)

26.9

45.2

Digital pin characteristics

Input low voltage (CMOS)

pins IN_DTA, ASK/FSK,

RE/SCLK, TE/SDTA, FS0/SDEN,

FS1/LD

VIL

VIL_FS1/LD only

in Stand-alone user

mode

-0.3

0.3*VCC

Input high voltage (CMOS)

pins IN_DTA, ASK/FSK,

RE/SCLK, TE/SDTA, FS0/SDEN,

FS1/LD

VIH

VIH_FS1/LD only

in Stand-alone user

mode

0.7*VCC

Vcc+0.3

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