LTC2418CGN#PBF Linear Technology, LTC2418CGN#PBF Datasheet - Page 44

• Manufacturer Part Number: LTC2418CGN#PBF
• Description: IC ADC 24BIT DIFF INPUT 28SSOP
• Manufacturer: Linear Technology

Specifications of LTC2418CGN#PBF

• Number Of Bits: 24
• Sampling Rate (per Second): 7.5
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 1mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP (0.150", 3.95mm Width)
• Number Of Elements: 1
• Resolution: 24Bit
• Architecture: Delta-Sigma
• Sample Rate: 0.008KSPS
• Input Polarity: Bipolar
• Input Type: Voltage
• Rated Input Volt: ±2.75V
• Differential Input: Yes
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Integral Nonlinearity Error: 14ppm of Vref
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: SSOP N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

APPLICATIO S I FOR ATIO
////////// Bidirectional Shift Routine for ADC //////////
void shiftbidir(char nextch)
{
}
LTC2414/LTC2418
44
int i;
for(i=0;i<2;i++)
{
}
for(i=0;i<8;i++)
{
}
for(i=0;i<8;i++)
{
}
for(i=0;i<8;i++)
{
result_1 = rl(result_1);// get ready to load lsb
result_1.0 = sdo;
sck=1;
sck=0;
}
result_0=0;
for(i=0;i<6;i++)
{
result_0 = rl(result_0);// get ready to load lsb
result_0.0 = sdo;
sck=1;
sck=0;
}
sdi=nextch.7;
nextch = rl(nextch);
sck=1;
sck=0;
sdi=nextch.7;
nextch = rl(nextch);
result_3 = rl(result_3);// get ready to load lsb
result_3.0 = sdo;
sck=1;
sck=0;
result_2 = rl(result_2);// get ready to load lsb
result_2.0 = sdo;
sck=1;
sck=0;
U
U
// clock high
// clock low
Figure 50. Sample Program in CC5X for PIC16F84 (cont)
W
// send config bits 7:6,
// ignore EOC/ and DMY bits
// put data on pin
// get next config bit ready
// clock high
// clock low
// send config, read byte 3
// put data on pin
// get next config bit ready
// load lsb
// clock high
// clock low
// read byte 2
// load lsb
// clock high
// clock low
// read byte 1
// load lsb
// clock high
// clock low
// ensure bits 7:6 are zero
// read byte 0
// load lsb
U
241418fa