LC7851 View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

View to exact match

LC7851

QPSK Demodulation and Audio Signal-Processing IC for Satellite Broadcast Reception

SANYO -> Panasonic 

LC7851E

Specifications

Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V

Supply voltage

Input voltage

Parameter

Output voltage

Allowable power dissipation

Operating temperature

Storage temperature

Symbol

VDD

VI1

VI2

VO

Pd max

Topr

Tstg

Conditions

Pins other than SCL and SDA

SCL and SDA

Ta = –20 to +75°C

Allowable Operating Ranges at Ta = 25°C

Ratings

–0.3 to +7.0

–0.3 to VDD+0.3

–0.3 to +5.3

–0.3 to VDD +0.3

360

–20 to +75

–40 to +125

Parameter

Supply voltage

Input high-level voltage

Input low-level voltage

QPSKI input voltage

Symbol

VDD

VIH

VIL

VQPSKI

Conditions

min

4.5

0.75 VDD

0

0.7

Ratings

typ

5.0

0.9

max

5.5

VDD

0.25 VDD

1.1

DC Characteristics at Ta = –20 to +75°C, VDD = 4.5 to 5.5 V, GND = 0 V

Current drain

Parameter

Output high-level current

Symbol

Conditions

IDD

IOH1

VOH = VDD – 0.4 V ; VOH = VDD – 0.4 V,

CMOS output pins:PHCNT, LOIN, MOD,

DSTRO, FRM, ERR, CK2M, BSTRO, MUTO,

DADO, REQ, SYCKO

Ratings

min

typ

68

1.0

max

98

Output low-level current 1

Output amplitude level

Input high-level current

Input low-level current

Output load resistance

IOH2 VOH = VCK5MH – 25 mV, CK5M

–350

VOL = 0.4 V ; CMOS output pins: PHCNT,

IOL1 LOIN, MOD, DSTRO, FRM, ERR, CK2M,

1.0

BSTRO, MUTO, DADO, REQ, SYCKO

IOL2

VOL = 0.4 V, open drain output

Pin 1: P0 to P7

1.0

IOL3

VOL = 0.4 V, open drain output

Pin 2: SDA

4.0

IOL4 VOL = VCK5ML + 25 mV, CK5M

100

VCK5M IOH = 30 µA, CK5M

236

295

VI = VDD, Schmitt inputs: TSL, RST, TEST1,

IIH

TEST2, BSTRI, DSTRI1, DSTRI2, DASL,

MUTI, SCL, SDA, P0 to P7

VI = VSS, Schmitt inputs: TSL, RST, TEST1,

IIL

TEST2, BSTRI, DSTRI1, DSTRI2, DASL,

–10

MUTI, SCL, SDA, P0 to P7

RL AOUTL and AOUTR

5.0

D/A Converter Characteristics at Ta = –20 to +75°C, VDD = 4.5 to 5.5 V, GND = 0 V

Parameter

Symbol

Conditions

Ratings

min

typ

Resolution

RES 1 kHz 0 dB

16

THD1 1 kHz A mode, FS - 18 dB *

0.08

Total harmonic distortion

THD2 1 kHz B mode, FS - 18 dB *

0.05

Signal-to-noise ratio

S/N 1 kHz 0 dB *

105

Crosstalk

C. T 1 kHz 0 dB *

95

Full scale output voltage

VFS

2.8

3.0

Note: *Values when measured in the Sanyo evaluation board and with a QPSK modulated signal (1 kHz sine wave) input.

–100

350

354

10

max

3.2

Unit

V

V

V

V

mW

°C

°C

Unit

V

V

V

V

Unit

mA

mA

µA

mA

mA

mA

µA

mV

µA

µA

kΩ

Unit

Bits

%

%

dB

dB

Vp-p

No. 5691-6/9

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