TCM4400EPET datasheet(16/64 Pages) TI

16 / 64 page

TCM4400E

GSM/DCS BASEBAND AND VOICE A/D

AND D/A RF INTERFACE CIRCUIT

SLWS082A – JULY 1999 – REVISED MARCH 2000

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

voice downlink path

global characteristics of voice downlink path

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Maximum output swing

With 5% distortion and with 150

Ω

3.1

3.92

Vpp

Maximum out ut swing

(EARP – EARN)

With 5% distortion and with 33

Ω

1.2

1.5

Vpp

Minimum output resistive load at EARP EARN

Output swing 3.9Vpp

120

150

Ω

Minimum output resistive load at EARP_EARN

Output swing 1.5Vpp

Ω

Maximum output capacitive load at EARP_EARN

100

Earphone amplifier gain

Earphone amplifier state in power down

Hi-Z

Maximum output swing (AUXO), 5% distortion, maximum

Load = 1 k

Ω

1.6

1.96

Vpeak

Minimum output resistive load at AUXO

AC coupled

1.0

1.2

Ω

Maximum output capacitive load at AUXO

100

Auxo amplifier gain

–6

Auxo amplifier state in power down

Hi-Z

VOLCTL code = 010

–1

VOLCTL code = 110

–7

–6

–5

Volume control gains

VOLCTL code = 000 (default & reference)

–12

Volume control gains

VOLCTL code = 100

–19

–18

–17

VOLCTL code = 011

–25

–24

–23

VOLCTL code =101 or 001 or 111 (mute)

–40

VDLPGA code = 0000 (default)

–6 dB

–6.5

–6.0

–5.5

VDLPGA code = 0001

–5 dB

–5.5

–5.0

–4.5

VDLPGA code = 0010

–4 dB

–4.5

–4.0

–3.5

VDLPGA code = 0011

–3 dB

–3.7

–3.2

–2.7

VDLPGA code = 0100

–2 dB

–2.3

–1.8

–1.3

VDLPGA code = 0101

–1 dB

–1.7

–1.2

–0.7

PGA gain steps

VDLPGA code = 0110 (ref.)

0 dB

VDLPGA code = 0111

1 dB

0.5

1.0

1.5

VDLPGA code = 1000

2 dB

1.4

1.9

2.4

VDLPGA code = 1001

3 dB

2.6

3.1

3.6

VDLPGA code = 1010

4 dB

3.4

3.9

4.4

VDLPGA code = 1011

5 dB

4.3

4.8

5.3

VDLPGA code = 1100

6 dB

5.5

6.0

6.5

VDLST code = 1101

–23 dB

–24.6

–24.1

–22.6

VDLST code = 1100

–20 dB

–21.1

–20.6

–18.5

VDLST code = 0110

–17 dB

–18.3

–17.8

–17.3

VDLST code = 0010

–14 dB

–14.8

–14.3

–13.8

Sidetone gain steps

VDLST code = 0111

–11 dB

–12.3

–11.8

–11.3

Sidetone gain steps

VDLST code = 0011

–8 dB

–8.8

–8.3

–7.8

VDLST code = 0000 (ref.)

–5 dB

–5.9

–4.8

–4.3

VDLST code = 0100

–2 dB

–2.1

–1.6

–1.1

VDLST code = 0001

1 dB

0.7

1.2

1.7

VDLST code = 1000

Mute

–55

–50

Power supply rejection, 0 Hz –100 kHz

In the band

NOTE: All parameters are given for a 150

Ω load, unless specified.

TCM4400EPET Datasheet(PDF) 16 Page - Texas Instruments

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