αVref

CMRR

rI

VOO

VOM

dB

dB

dB

dB

TLC32040M

ANALOG INTERFACE CIRCUIT

POST OFFICE BOX 655303

4–13

total device, MSTR CLK frequency = 5.184 MHz, outputs not loaded

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VOH

High-level output voltage

VDD = 4.75 V,

IOH = – 300 µA

2.4

V

VOL

Low-level output voltage

VDD = 4.75 V,

IOL = 2 mA

0.9

V

ICC +

Supply current from VCC+

40

mA

ICC –

Supply current from VCC–

–40

mA

IDD

Supply current from VDD

fMSTR CLK = 5.184 MHz

7

mA

Vref

Internal reference output voltage

2.9

3.3

V

Temperature coefficient of internal

reference voltage

200

ppm/

°C

ro

Output resistance at REF

100

k

Ω

receive amplifier input

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

A/D converter offset error (filters bypassed)

25

65

mV

A/D converter offset error (filters in)

25

65

mV

Common-mode rejection ratio at IN +, IN –,

or AUX IN+, AUX IN–

See Note 7

35

55

dB

Input resistance at IN +, IN –

or AUX IN +, AUX IN –, REF

100

k

Ω

NOTE 7: The test condition is a 0-dBm, 1-kHz input signal with an 8-kHz conversion rate.

transmit filter output

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Output offset voltage at OUT+ or OUT–

(single ended relative to ANLG GND)

15

75

mV

Maximum peak output voltage swing between

OUT+ and OUT– (differential output)

RL ≥ 300 Ω

±6

V

system distortion specifications, SCF clock frequency = 288 kHz

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Attenuation of second harmonic of

Single ended

VI = – 0.5 dB to – 24 dB referred to Vref,

62

70

A/D input signal

Differential

Single-ended tested at 25

°C,

See Note 8

62

70

Attenuation of third and higher

Single ended

VI = – 0.5 dB to – 24 dB referred to Vref,

57

65

harmonics of A/D input signal

Differential

Single-ended tested at 25

°C,

See Note 8

57

65

Attenuation of second harmonic of

Single ended

VI = – 0 dB to – 24 dB referred to Vref,

70

D/A input signal

Differential

See Note 8

62

70

Attenuation of third and higher

Single ended

VI = – 0 dB to – 24 dB referred to Vref,

65

harmonics of D/A input signal

Differential

See Note 8

57

65

† All typical values are at TA = 25°C.

NOTE 8: The test condition is a 1-kHz input signal with an 8-kHz conversion rate (0 dB relative to Vref). The load impedance for the DAC is

300

Ω.