AD5410 datasheet(10/20 Pages) AD

10 / 20 page

AD5700/AD5700-1

Data Sheet

Rev. A | Page 10 of 20

Figure 9. Supply Currents vs. Supply Voltage—Internal Reference

Figure 10. Current in Tx Mode vs. Resistive Load

Figure 11. Current in Tx Mode vs. Capacitive Load

Figure 12. Input Filter Frequency Response

Figure 13. Reference Voltage vs. VCC

Figure 14. Reference Voltage vs. Temperature

200

180

160

140

120

100

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

VCC = IOVCC (V)

TA = 25°C

VCC = IOVCC = 2V TO 5.5V

DEV 1 INT REF

DEMOD ICC AND IOICC

MOD ICC AND IOICC

700

600

500

400

300

200

100

200

400

600

800

1000

1200

RLOAD (Ω) WITH 22nF TO GND

HART_OUT

2.2µF

22nF

RLOAD

TXD = 1

TXD = 0

TA = 25°C; VCC = IOVCC = 3.3V; INT VREF

CLK CONFIG = XTAL OSCILLATOR

IOICC = 41µA

250

225

200

175

150

125

100

1020

4050

CLOAD (nF)

TA = 25°C; VCC = IOVCC = 3.3V; INT VREF

CLK CONFIG = XTAL OSCILLATOR

CAPACITIVE LOAD ONLY

IOICC = 41µA

TXD = 1

TXD = 0

–2

–4

–6

–8

–10

–12

–14

–16

–20

–18

100

10k

FREQUENCY (Hz)

EXTERNAL FILTER

INTERNAL FILTER

TA = 25°C

VCC = IOVCC = 3.3V

INT VREF

1.5012

1.5010

1.5008

1.5006

1.5004

1.5002

1.5000

1.4998

1.4996

1.01.52.02.5

3.03.54.04.55.0

5.5

6.0

VCC (V)

TA = 25°C

VCC = IOVCC = 2V TO 5.5V

1.5006

1.5004

1.5002

1.5000

1.4998

1.4996

1.4994

1.4992

1.4990

–40

–20

100

120

TEMPERATURE (°C)

VCC = IOVCC = 2.7V

TEMPERATURE = –40°C TO +125°C

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